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A hand axe (or handaxe or Acheulean hand axe) is a prehistoric
stone tool A stone tool is, in the most general sense, any tool made either partially or entirely out of stone. Although stone tool-dependent societies and cultures still exist today, most stone tools are associated with prehistoric (particularly Stone A ...
with two faces that is the longest-used
tool A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates b ...
in
human history Human history, also called world history, is the narrative of humanity's past. It is understood and studied through anthropology, archaeology, genetics, and linguistics. Since the invention of writing, human history has been studied thro ...
, yet there is no academic consensus on what they were used for. It is made from stone, usually
flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start ...
or chert that has been "reduced" and shaped from a larger piece by knapping, or hitting against another stone. They are characteristic of the lower Acheulean and middle
Palaeolithic The Paleolithic or Palaeolithic (), also called the Old Stone Age (from Greek: παλαιός '' palaios'', "old" and λίθος ''lithos'', "stone"), is a period in human prehistory that is distinguished by the original development of stone too ...
( Mousterian) periods, roughly 1.6 million years ago to about 100,000 years ago, and used by '' Homo erectus'' and other early humans, but rarely by ''
Homo sapiens Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, culture ...
''. Their technical name (biface) comes from the fact that the archetypical model is a generally bifacial (with two wide sides or faces) and almond-shaped (amygdaloidal) lithic flake. Hand axes tend to be symmetrical along their longitudinal axis and formed by pressure or percussion. The most common hand axes have a pointed end and rounded base, which gives them their characteristic almond shape, and both faces have been knapped to remove the natural cortex, at least partially. Hand axes are a type of the somewhat wider biface group of two-faced tools or weapons. Hand axes were the first prehistoric tools to be recognized as such: the first published representation of a hand axe was drawn by John Frere and appeared in a British publication in 1800. Until that time, their origins were thought to be natural or supernatural. They were called '' thunderstones'', because popular tradition held that they had fallen from the sky during storms or were formed inside the earth by a
lightning strike A lightning strike or lightning bolt is an electric discharge between the atmosphere and the ground. Most originate in a cumulonimbus cloud and terminate on the ground, called cloud-to-ground (CG) lightning. A less common type of strike, ground- ...
and then appeared at the surface. They are used in some rural areas as an amulet to protect against storms. Hand axe tools were possibly used to butcher animals; to dig for
tuber Tubers are a type of enlarged structure used as storage organs for nutrients in some plants. They are used for the plant's perennation (survival of the winter or dry months), to provide energy and nutrients for regrowth during the next growing ...
s, animals and water; to chop wood and remove tree bark; and/or process vegetal materials. Other scholars have proposed that hand axes were used to throw at prey; for a ritual or social purpose; or possibly as a source for flake tools.


Terminology

Four classes of hand axe are: # Large, thick hand axes reduced from cores or thick flakes, referred to as blanks # Thinned blanks. While form remains rough and uncertain, an effort has been made to reduce the thickness of the flake or core # Either a preform or crude formalized tool, such as an adze # Finer formalized tool types such as projectile points and fine bifaces While Class 4 hand axes are referred to as "formalized tools", bifaces from any stage of a lithic reduction sequence may be used as tools. (Other biface typologies make five divisions rather than four.) French antiquarian André Vayson de Pradenne introduced the word in 1920. This term co-exists with the more popular ''hand axe'' (), that was coined by Gabriel de Mortillet much earlier. The continued use of the word biface by
François Bordes François Bordes (December 30, 1919 – April 30, 1981), also known by the pen name of Francis Carsac, was a French scientist, geologist, archaeologist, and science fiction writer. Biography He was a professor of prehistory and quaternary g ...
and Lionel Balout supported its use in France and Spain, where it replaced the term ''hand axe''. Use of the expression ''hand axe'' has continued in English as the equivalent of the French ( in Spanish), while biface applies more generally for any piece that has been carved on both sides by the removal of shallow or deep flakes. The expression is used in
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
; it can be literally translated as hand axe, although in a stricter sense it means "fist wedge". It is the same in Dutch where the expression used is which literally means "fist axe". The same locution occurs in other languages. However, the general impression of these tools was based on ideal (or classic) pieces that were of such perfect shape that they caught the attention of non-experts. Their typology broadened the term's meaning. Biface hand axe and bifacial lithic items are distinguished. A hand axe need not be a bifacial item and many bifacial items are not hand axes. Nor were hand axes and bifacial items exclusive to the Lower Palaeolithic period in the Old World. They appear throughout the world and in many different pre-historical epochs, without necessarily implying an ancient origin. Lithic typology is not a reliable chronological reference and was abandoned as a dating system. Examples of this include the "quasi-bifaces" that sometimes appear in strata from the
Gravettian The Gravettian was an archaeological industry of the European Upper Paleolithic that succeeded the Aurignacian circa 33,000 years BP. It is archaeologically the last European culture many consider unified, and had mostly disappeared by  2 ...
, Solutrean and Magdalenian periods in France and Spain, the crude bifacial pieces of the
Lupemban culture The Lupemban is the name given by archaeologists to a central African culture which, though once thought to date between c. 30,000 and 12,000 BC, is now generally recognised to be far older (dates of c. 300,000 have been obtained from Twin Rivers ...
( 9000 B.C.) or the
pyriform Piriform, sometimes ''pyriform'', means pear-shaped (from Latin ''pirum'' "pear" and ''forma'' "shape"). It may also refer to: Going pear-shaped * Going wrong or going pear-shaped Anatomy * Piriform aperture, more commonly known as anterior ...
tools found near
Sagua La Grande Sagua la Grande (nicknamed ''La Villa del Undoso'', sometimes shortened in Sagua) is a municipality located on the north coast of the province of Villa Clara in central Cuba, on the Sagua la Grande River. The city is close to Mogotes de Juma ...
in
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribb ...
. The word ''biface'' refers to something different in English than in French or in Spanish, which could lead to many misunderstandings. Bifacially carved cutting tools, similar to hand axes, were used to clear scrub vegetation throughout the
Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several pa ...
and Chalcolithic periods. These tools are similar to more modern adzes and were a cheaper alternative to polished axes. The modern day villages along the Sepik river in
New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torres ...
continue to use tools that are virtually identical to hand axes to clear forest. "The term ''biface'' should be reserved for items from before the Würm II-III
interstadial Stadials and interstadials are phases dividing the Quaternary period, or the last 2.6 million years. Stadials are periods of colder climate while interstadials are periods of warmer climate. Each Quaternary climate phase is associated with a Ma ...
", although certain later objects could ''exceptionally'' be called bifaces. ''Hand axe'' does not relate to '' axe'', which was overused in lithic typology to describe a wide variety of stone tools. At the time the use of such items was not understood. In the particular case of Palaeolithic hand axes the term axe is an inadequate description. Lionel Balout stated, "the term should be rejected as an erroneous interpretation of these objects that are not 'axes. Subsequent studies supported this idea, particularly those examining the signs of use.


Materials

Hand axes are mainly made of
flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start ...
, but rhyolites, phonolites, quartzites and other coarse rocks were used as well. Obsidian, natural volcanic glass, shatters easily and was rarely used.


Uses

No academic consensus describes their use, but it is commonly agreed that the hand axe was some form of unhafted all-purpose tool. The pioneers of Palaeolithic tool studies first suggested that bifaces were used as axes despite the fact that they have a sharp border all around. Other uses seem to show that hand axes were a multi-functional tool, leading some to describe them as the "Acheulean Swiss Army knife". Other academics have suggested that the hand axe was simply a byproduct of being used as a core to make other tools, a weapon, or was perhaps used ritually. Wells proposed in 1899 that hand axes were used as missile weapons to hunt prey – an interpretation supported by Calvin, who suggested that some of the rounder specimens of Acheulean hand axes were used as hunting projectiles or as "killer frisbees" meant to be thrown at a herd of animals at a water hole so as to stun one of them. This assertion was inspired by findings from the
Olorgesailie Olorgesailie is a geological formation in East Africa, on the floor of the Eastern Rift Valley in southern Kenya, southwest of Nairobi along the road to Lake Magadi. It contains a group of Lower Paleolithic archaeological sites. Olorgesailie ...
archaeological site in
Kenya ) , national_anthem = " Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi , ...
. Few specimens indicate hand axe hafting, and some are too large for that use. However, few hand axes show signs of heavy damage indicative of throwing, modern experiments have shown the technique to often result in flat-faced landings, and many modern scholars consider the “hurling” theory to be poorly conceived but so attractive that it has taken a life of its own. As hand axes can be recycled, resharpened and remade, they could have been used for varied tasks. For this reason it may be misleading to think of them as ''axes'', they could have been used for tasks such as digging, cutting, scraping, chopping, piercing and hammering. However, other tools, such as small knives, are better suited for some of these tasks, and many hand axes have been found with no traces of use. Baker suggested that since so many hand axes have been found that have no retouching, perhaps the hand axe was not itself a tool, but a large lithic core from which flakes had been removed and used as tools (flake core theory). On the other hand, there are many hand axes found with retouching such as sharpening or shaping, which casts doubt on this idea. Other theories suggest the shape is part tradition and part by-product of its manufacture. Many early hand axes appear to be made from simple rounded pebbles (from river or beach deposits). It is necessary to detach a 'starting flake', often much larger than the rest of the flakes (due to the oblique angle of a rounded pebble requiring greater force to detach it), thus creating an asymmetry. Correcting the asymmetry by removing material from the other faces, encouraged a more pointed (oval) form factor. (Knapping a completely circular hand axe requires considerable correction of the shape.) Studies in the 1990s at
Boxgrove Boxgrove is a village, ecclesiastical parish and civil parish in the Chichester District of the English county of West Sussex, about north east of the city of Chichester. The village is just south of the A285 road which follows the line of the ...
, in which a butcher attempted to cut up a carcass with a hand axe, revealed that the hand axe was able to expose bone marrow.
Kohn Kohn is both a first name and a surname. Kohn means cook in Yiddish. It may also be related to Cohen. Notable people with the surname include: * Angela Kohn (Jacki-O), rapper * Arnold Kohn, Croatian Zionist and longtime president of the Jewish co ...
and Mithen independently arrived at the explanation that symmetric hand axes were favoured by
sexual selection Sexual selection is a mode of natural selection in which members of one biological sex choose mates of the other sex to mate with (intersexual selection), and compete with members of the same sex for access to members of the opposite sex (in ...
as fitness indicators. Kohn in his book ''As We Know It'' wrote that the hand axe is "a highly visible indicator of fitness, and so becomes a criterion of mate choice." Miller followed their example and said that hand axes have characteristics that make them subject to sexual selection, such as that they were made for over a million years throughout Africa, Europe and Asia, they were made in large numbers, and most were impractical for utilitarian use. He claimed that a single design persisting across time and space cannot be explained by cultural imitation and draws a parallel between bowerbirds' bowers (built to attract potential mates and used only during courtship) and
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
hominids' hand axes. He called hand axe building a "genetically inherited propensity to construct a certain type of object." He discards the idea that they were used as missile weapons because more efficient weapons were available, such as javelins. Although he accepted that some hand axes may have been used for practical purposes, he agreed with Kohn and Mithen who showed that many hand axes show considerable skill, design and symmetry beyond that needed for utility. Some were too big, such as the “Great Hand Axe” found in Furze Platt, England that is 30.6 cm long(other scholars measure it as 39.5 cm long). Some were too small - less than two inches. Some were “overdetermined”, featuring symmetry beyond practical requirements and showing evidence of unnecessary attention to form and finish. Some were actually made out bone instead of stone and thus were not very practical, suggesting a cultural or ritual use. Miller thinks that the most important clue is that under electron microscopy hand axes show no signs of use or evidence of edge wear. Others argue that little evidence for use-wear simply relates to the particular sedimentological conditions, rather than being evidence of discarding without use. It has been noted that hand axes can be good handicaps in Zahavi's handicap principle theory: learning costs are high, risks of injury, they require physical strength, hand-eye coordination, planning, patience, pain tolerance and resistance to infection from cuts and bruises when making or using such a hand axe.


Evidence from wear analysis

The use-wear analysis of Palaeolithic hand axes is carried out on findings from emblematic sites across nearly all of Western Europe. Keeley and Semenov were the pioneers of this specialized investigation. Keeley stated, ''"''The morphology of typical hand axes suggests a greater range of potential activities than those of flakes''"''. Many problems need to be overcome in carrying out this type of analysis. One is the difficulty in observing larger pieces with a microscope. Of the millions of known pieces and despite their long role in human history, few have been thoroughly studied. Another arises from the clear evidence that the same tasks were performed more effectively using utensils made from flakes: Keeley based his observations on archaeological sites in England. He proposed that in base settlements where it was possible to predict future actions and where greater control on routine activities was common, the preferred tools were made from specialized flakes, such as racloirs, backed knives, scrapers and punches. However, hand axes were more suitable on expeditions and in seasonal camps, where unforeseen tasks were more common. Their main advantage in these situations was the lack of specialization and adaptability to multiple eventualities. A hand axe has a long blade with different curves and angles, some sharper and others more resistant, including points and notches. All of this is combined in one tool. Given the right circumstances, it is possible to make use of loose flakes. In the same book, Keeley states that a number of the hand axes studied were used as knives to cut meat (such as hand axes from Hoxne and Caddington). He identified that the point of another hand axe had been used as a clockwise drill. This hand axe came from Clacton-on-Sea (all of these sites are located in the east of England). Toth reached similar conclusions for pieces from the Spanish site in
Ambrona Torralba and Ambrona (Province of Soria, Castile and León, Spain) are two paleontological and archaeological sites that correspond to various fossiliferous levels with Acheulean lithic industry (Lower Paleolithic) associated, at least about 350 ...
( Soria). Analysis carried out by Domínguez-Rodrigo and co-workers on the primitive Acheulean site in Peninj (
Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...
) on a series of tools dated 1.5 mya shows clear microwear produced by plant phytoliths, suggesting that the hand axes were used to work wood. Among other uses, use-wear evidence for fire making has been identified on dozens of later
Middle Palaeolithic The Middle Paleolithic (or Middle Palaeolithic) is the second subdivision of the Paleolithic or Old Stone Age as it is understood in Europe, Africa and Asia. The term Middle Stone Age is used as an equivalent or a synonym for the Middle Pale ...
hand axes from
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
, suggesting Neanderthals struck these tools with the mineral pyrite to produce sparks at least 50,000 years ago.


Macroscopic traces

Some hand axes were used with force that left clearly visible marks. Other visible marks can be left as the scars from retouching, on occasion it is possible to distinguish them from marks left by the initial manufacture. One of the most common cases is when a point breaks. This was seen at sites in Europe, Africa and Asia. One example comes from the El Basalito site in Salamanca, where excavation uncovered fragments of a hand axe with marks at the tip that appeared to be the result of the action of a wedge, which would have subjected the object to high levels of torsion that broke the tip. A break or extreme wear can affect a tool's point or any other part. Such wear was reworked by means of a secondary working as discussed above. In some cases this reconstruction is easily identifiable and was carried out using techniques such as the ''coup de tranchet'' (French, meaning " tranchet blow"), or simply with scale or scalariform retouches that alter an edge's symmetry and line.


Forms

The most characteristic and common shape is a pointed area at one end, cutting edges along its side and a rounded base (this includes hand axes with a lanceolate and amygdaloidal shape as well as others from the family). The axes are almost always symmetrical, despite studies showing that symmetry doesn’t help in tasks such as using a hand axe for skinning animals. While there is a “typical” shape to most hand axes, there are some displaying a variety of shapes, including circular, triangular and elliptical—calling in to question the contention that they had a constant and only symbolic significance. They are typically between long, although they can be bigger or smaller. They were typically made from a rounded stone, a block or lithic flake, using a hammer to remove flakes from both sides of the item. This hammer can be made of hard stone, or of wood or antler. The latter two, softer hammers can produce more delicate results. However, a hand axe's technological aspect can reflect more differences. For example, uniface tools have only been worked on one side and partial bifaces retain a high proportion of the natural cortex of the tool stone, often making them easy to confuse with chopping tools. Further, simple bifaces may have been created from a suitable tool stone, but they rarely show evidence of retouching. Later hand axes were improved by the use of the
Levallois technique The Levallois technique () is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to 300,000 years ago during the Middle Palaeolithic period. It is part of the Mousterian stone tool industry, and was u ...
to make the more sophisticated and lighter Levallois core. In summary, hand axes are recognized by many typological schools under different archaeological paradigms and are quite recognisable (at least the most typical examples). However, they have not been definitively categorized. Stated more formally, the idealised model combines a series of well-defined properties, but no set of these properties are necessary or sufficient to identify a hand axe.


History and distribution

In 1969 in the 2nd edition of World Prehistory, Grahame Clark proposed an evolutionary progression of flint-knapping industries (also known as complexes or technocomplexes) in which the "dominant lithic technologies" occurred in a fixed sequence where simple Oldowan one-edged tools were replaced by these more complex Acheulean hand axes, which were then eventually replaced by the even more complex Mousterian tools made with the
Levallois technique The Levallois technique () is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to 300,000 years ago during the Middle Palaeolithic period. It is part of the Mousterian stone tool industry, and was u ...
. The oldest known Oldowan tools were found in Gona, Ethiopia. These are dated to about 2.6 mya. Early examples of hand axes date back to 1.6 mya in the later Oldowan (Mode I), called the "developed Oldowan" by Mary Leakey. These hand axes became more abundant in mode II Acheulean industries that appeared in Southern Ethiopia around 1.4 mya. Some of the best specimens come from 1.2 mya deposits in Olduvai Gorge. They are known in Mousterian industries. By 1.8 mya early man was present in Europe. Remains of their activities were excavated in Spain at sites in the Guadix-Baza basin and near Atapuerca. Most early European sites yield "mode 1" or Oldowan assemblages. The earliest Acheulean sites in Europe appear around 0.5 mya. In addition, the Acheulean tradition did not spread to Eastern Asia. In Europe and particularly in France and England, the oldest hand axes appear after the Beestonian GlaciationMindel Glaciation, approximately 750,000 years ago, during the so-called ''
Cromerian complex The Cromerian Stage or Cromerian Complex, also called the Cromerian (german: Cromerium), is a stage in the Pleistocene glacial history of north-western Europe, mostly occurring more than half a million years ago. It is named after the East Anglian t ...
''. They became more widely produced during the Abbevillian tradition. The apogee of hand axe manufacture took place in a wide area of the Old World, especially during the
Riss glaciation The Riss glaciation, Riss Glaciation, Riss ice age, Riss Ice Age, Riss glacial or Riss Glacial (german: Riß-Kaltzeit, ', ' or (obsolete) ') is the second youngest glaciation of the Pleistocene epoch in the traditional, quadripartite glacial classi ...
, in a cultural complex that can be described as ''cosmopolitan'' and which is known as the Acheulean. The use of hand axes survived the Middle Palaeolithic in a much smaller area and were especially important during the Mousterian, up to the middle of the Last glacial period. Hand axes dating from the lower Palaeolithic were found on the Asian continent, on the
Indian subcontinent The Indian subcontinent is a physiographical region in Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian Ocean from the Himalayas. Geopolitically, it includes the countries of Bangladesh, Bhutan, In ...
and in the Middle East (to the south of parallel 40° N), but they were absent from the area to the east of the 90° E meridian. Movius designated a border (the so-called
Movius Line The Movius Line is a theoretical line drawn across northern India first proposed by the American archaeologist Hallam L. Movius in 1948 to demonstrate a technological difference between the early prehistoric tool technologies of the east and wes ...
) between the cultures that used hand axes to the west and those that made chopping tools and small
retouched Photograph manipulation involves the transformation or alteration of a photograph using various methods and techniques to achieve desired results. Some photograph manipulations are considered to be skillful artwork, while others are consider ...
lithic flakes, such as were made by Peking man and the Ordos culture in China, or their equivalents in
Indochina Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west an ...
such as the Hoabinhian. However, Movius hypothesis was found incorrect when many hand axes made in Palaeolithic era were found in 1978 at Hantan River, Jeongok, Yeoncheon County, South Korea for the first time in East Asia. Some of them are exhibited at the Jeongok Prehistory Museum, South Korea. The Padjitanian culture from
Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's mo ...
was traditionally thought to be the only oriental culture to manufacture hand axes. However, a site in Baise, China shows that hand axes were made in eastern Asia. In North America, hand axes make up one of the dominant tool industries, starting from the terminal
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
and continuing throughout the
Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togeth ...
. For example, the Folsom point and Clovis point traditions (collectively known as the fluted points) are associated with Paleo Indians, some of the first people to colonize the new world. Hand axe technology is almost unknown in Australian prehistory, although a few have been found.


Construction

Experiments in knapping have demonstrated the relative ease with which a hand axe can be made, which could help explain their success. In addition, they demand relatively little maintenance and allow a choice of raw materials–any rock will suffice that supports a conchoidal fracture. With early hand axes, it is easy to improvise their manufacture, correct mistakes without requiring detailed planning, and no long or demanding apprenticeship is necessary to learn the necessary techniques. These factors combine to allow these objects to remain in use throughout pre-history. Their adaptability makes them effective in a variety of tasks, from heavy duty such as digging in soil, felling trees or breaking bones to delicate such as cutting ligaments, slicing meat or perforating a variety of materials. Later examples of hand axes are more sophisticated with their use of two layers of knapping (one made with stone knapping and one made with bone knapping). Lastly, a hand axe represents a prototype that can be refined giving rise to more developed, specialised and sophisticated tools such as the tips of various projectiles, knives, adzes and hatchets.


Analysis

Given the typological difficulties in defining the essence of a hand axe, it is important when analysing them to take account of their archaeological context ( geographical location, stratigraphy, the presence of other elements associated with the same level,
chronology Chronology (from Latin ''chronologia'', from Ancient Greek , ''chrónos'', "time"; and , ''-logia'') is the science of arranging events in their order of occurrence in time. Consider, for example, the use of a timeline or sequence of even ...
etc.). It is necessary to study their physical state to establish any natural alterations that may have occurred: patina, shine, wear and tear, mechanical, thermal and / or physical-chemical changes such as cracking, in order to distinguish these factors from the scars left during the tool's manufacture or use. The raw material is an important factor, because of the result that can be obtained by working it and in order to reveal the
economy An economy is an area of the production, distribution and trade, as well as consumption of goods and services. In general, it is defined as a social domain that emphasize the practices, discourses, and material expressions associated with th ...
and movement of prehistoric humans. In the Olduvai Gorge the raw materials were most readily available some ten kilometres from the nearest settlements. However,
flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start ...
or silicate is readily available on the
fluvial terrace Fluvial terraces are elongated terraces that flank the sides of floodplains and fluvial valleys all over the world. They consist of a relatively level strip of land, called a "tread", separated from either an adjacent floodplain, other fluvial ...
s of
Western Europe Western Europe is the western region of Europe. The region's countries and territories vary depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean ...
. This means that different strategies were required for the procurement and use of available resources. The supply of materials was the most important factor in the manufacturing process as Palaeolithic artisans were able to adapt their methods to available materials, obtaining adequate results from even the most difficult raw materials. Despite this it is important to study the rock's grain, texture, the presence of joints, veins, impurities or shatter cones etc. In order to study the use of individual items it is necessary to look for traces of wear such as pseudo-retouches, breakage or wear, including areas that are polished. If the item is in a good condition it is possible to submit it to use-wear analysis, which is discussed in more detail below. Apart from these generalities, which are common to all carved archaeological pieces, hand axes need a technical analysis of their manufacture and a morphological analysis.


Technical analysis

The technical analysis of a hand axe tries to discover each of the phases in its '' chaîne opératoire'' (operational sequence). The chain is highly flexible, as a toolmaker may focus narrowly on just one of the sequence's links or equally on each link. The links examined in this type of study start with the extraction methods of the raw material, then include the actual manufacture of the item, its use, maintenance throughout its working life, and finally its disposal. A toolmaker may put a lot of effort into finding the highest quality raw material or the most suitable tool stone. In this way more effort is invested in obtaining a good foundation, but time is saved on shaping the stone: that is, the effort is focused on the start of the operational chain. Equally the artisan may concentrate the most effort in the manufacture so that the quality or suitability of the raw material is less important. This will minimize the initial effort, but will result in a greater effort at the end of the operational chain.


Tool stone and cortex

Hand axes are most commonly made from rounded pebbles or nodules, but many are also made from a large flake. Hand axes made from flakes first appeared at the start of the Acheulean period and became more common with time. Manufacturing a hand axe from a flake is actually easier than from a pebble. It is also quicker, as flakes are more likely to be closer to the desired shape. This allows easier manipulation and fewer knaps are required to finish the tool; it is also easier to obtain straight edges. When analysing a hand axe made from a flake, it should be remembered that its shape was predetermined (by use of the
Levallois technique The Levallois technique () is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to 300,000 years ago during the Middle Palaeolithic period. It is part of the Mousterian stone tool industry, and was u ...
or Kombewa technique or similar). Notwithstanding this, it is necessary to note a tool's characteristics: type of flake, heel, knap direction. The natural external cortex or ''rind'' of the tool stone, which is due to erosion and the physical-chemical alterations of
weathering Weathering is the deterioration of rocks, soils and minerals as well as wood and artificial materials through contact with water, atmospheric gases, and biological organisms. Weathering occurs '' in situ'' (on site, with little or no movement ...
, is different from the stone's interior. In the case of chert, quartz or quartzite, this alteration is basically mechanical, and apart from the colour and the wear it has the same characteristics as the interior in terms of
hardness In materials science, hardness (antonym: softness) is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion. In general, different materials differ in their hardness; for example hard ...
,
toughness In materials science and metallurgy, toughness is the ability of a material to absorb energy and plastically deform without fracturing.limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms w ...
cortex that is soft and unsuitable for stone tools. As hand axes are made from a tool stone's core, it is normal to indicate the thickness and position of the cortex in order to better understand the techniques that are required in their manufacture. The variation in cortex between utensils should not be taken as an indication of their age. Many partially-worked hand axes do not require further work in order to be effective tools. They can be considered to be simple hand axes. Less suitable tool stone requires more thorough working. In some specimens the cortex is unrecognisable due to the complete working that it has undergone, which has eliminated any vestige of the original cortex.


Types

It is possible to distinguish multiple types of hand axe: *Uniface—flaked on one face with cortex completely covering the other side. This characteristic does not disqualify such tools as hand axes and gives no indication of their age. *Partial biface—The cortex is present on the tool's base and central part. The overall area that is not knapped may extend to up to 2/3 of its length. *Bifaces with basal cortex coverage—Only the artefact's base is covered with cortex, which does not cover more than a third of total length. In some cases the cortex is present on both the base and one side, thereby affecting one edge: such tools are called "natural backed". De Mortillet emphasised the importance of the presence or absence of the cortex around the edge in the 19th century: "Even on some of the best worked pieces it is common to see, sometimes on the base but more often on the side, a small area that has not been worked, that is uncut. It could be thought that this is a mistake or an error. But often the most probable reason for this is that it was intentional. There are a large number of hand axes with an uncut base, unworked or partially cleaned ... an area has intentionally been left on these pieces as a grip, it is called the heel. This heel acts as a handle as it is easy to grip''".'' (This hypothesis remains unproven and is not commonly used.) *Hand axes with residual cortex on an edge—The whole of their edges are knapped except for a small area where the cortex remains (leaving a small area without a sharp edge). This area can be at the base, side or oblique. In all cases it is small, leaving cutting edges on both sides. *Hand axes with a cutting edge around the whole circumference—The circumference is knapped to a cutting edge, although some residual areas of cortex may persist on either face, without affecting the cutting edge's effectiveness.


Production

Older hand axes were produced by direct
percussion A percussion instrument is a musical instrument that is sounded by being struck or scraped by a beater including attached or enclosed beaters or rattles struck, scraped or rubbed by hand or struck against another similar instrument. Exc ...
with a stone hammer and can be distinguished by their thickness and a sinuous border. Mousterian hand axes were produced with a soft billet of antler or wood and are much thinner, more symmetrical and have a straight border. An experienced
flintknapper Knapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat-faced stones for building or faci ...
needs less than 15 minutes to produce a good quality hand axe. A simple hand axe can be made from a beach pebble in less than 3 minutes. The manufacturing process employs lithic reduction. This phase is commonly thought of as the most important in hand axe fabrication, although it is not always used, such as for hand axes made from flakes or a suitable tool stone. An important concern is the implement that has been used to form the biface. If multiple implements were used, it is essential to discover in what order they were used and the result obtained by each one. The most common implements are:


Hard hammer faces

Hand axes can be made without subsequent reworking of the edges. A
hammerstone In archaeology, a hammerstone is a hard cobble used to strike off lithic flakes from a lump of tool stone during the process of lithic reduction. The hammerstone is a rather universal stone tool which appeared early in most regions of the wor ...
was the most common percussive tool used during the Acheulean. The resulting artefact is usually easily recognizable given its size and irregular edges, as the removed flakes leave pronounced percussion bulbs and compression rings. A hammerstone produces a small number of flakes that are wide and deep leaving long edges on the tool as their highly concave form yields curving edges. The cross-section is irregular, often sub-rhombic, while the intersection between the faces forms an acute angle of between 60° and 90° degrees. The shape is similar to that of the core as the irregularities formed during knapping are not removed. The notches obtained were exploited in the production sequence. It is common that this type of manufacture yields ''"''partial bifaces''"'' (an incomplete working that leaves many areas covered with cortex), "unifaces" (tools that have only been worked on one face), " bifaces in the Abbevillian style" and ''"''nucleiform bifaces''"''. This type of manufacturing style is generally an indication of the age when a tool was made and with other archaeological data can provide a context that allows its age to be estimated.


Hard hammer faces and edges

These hand axes have a more balanced appearance as the modification consists of a second (or third) series of blows to make the piece more uniform and provide a better finish. The modification is often called retouching and is sometimes carried out using invasive retouching or using softer, marginal, shallow blows that are only applied to the most marked irregularities leaving scale-like marks. The modification of edges with a hard hammer was carried out from the beginning of the Acheulean and persisted into the Musterian. It is therefore not useful as an indicator of chronology (in order for it to be considered as a marker it has to be accompanied by other complementary and independent archaeological data). The hand axes arising from this methodology have a more classical profile with either a more symmetrical almond or oval shape and with a lower proportion of the cortex of the original core. It is not always the case that the retouching had the objective of reducing an edge's irregularities or deformities. In fact, it has been shown that in some cases the retouching was carried out to sharpen an edge that had been blunted by use or a point that had deteriorated.


Soft hammer finish

Some hand axes were formed with a hard hammer and finished with a soft hammer. Blows that result in deep conchoidal fractures (the first phase of manufacture) can be distinguished from features resulting from sharpening with a soft hammer. The latter leaves shallower, more distended, broader scars, sometimes with small, multiple shock waves. However, marks left by a small, hard hammer can leave similar marks to a soft hammer. Soft hammer finished pieces are usually balanced and symmetrical, and can be relatively smooth. Soft hammer works first appeared in the Acheulean period, allowing tools with these markings to be used as a '' post quem'' estimation, but with no greater precision. The main advantage of a soft hammer is that a flintknapper is able to remove broader, thinner flakes with barely developed heels, which allows a cutting edge to be maintained or even improved with minimal raw material wastage. However, a high-quality raw material is required to make their use effective. No studies compare the two methods in terms of yield per unit weight of raw material, or the difference in energy use. The use of a soft hammer requires greater use of force by the
flintknapper Knapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat-faced stones for building or faci ...
and a steeper
learning curve A learning curve is a graphical representation of the relationship between how proficient people are at a task and the amount of experience they have. Proficiency (measured on the vertical axis) usually increases with increased experience (the ...
, although it offers more flakes for less raw material.


Soft hammer only

Hand axes made using only a soft hammer are much less common. In most cases at least initial work was done with a hard hammer, before subsequent flaking with a soft hammer erased all vestiges of that work. A soft hammer is not suitable for all types of percussion platform and it cannot be used on certain types of raw material. It is, therefore, necessary to start with a hard hammer or with a flake as a core as its edge will be fragile (flat, smooth pebbles are also useful). This means that although it was possible to manufacture a hand axe using a soft hammer, it is reasonable to suppose that a hard hammer was used to prepare a ''blank'' followed by one or more phases of retouching to finish the piece. However, the degree of separation between the phases is not certain, as the work could have been carried out in one operation. Working with a soft hammer allows a knapper greater control of the knapping and reduces waste of the raw material, allowing the production of longer, sharper, more uniform edges that will increase the tool's working life. Hand axes made with a soft hammer are usually more symmetrical and smooth, with rectilinear edges and shallow indentations that are broad and smooth so that it is difficult to distinguish where one flake starts and another ends. They generally have a regular biconvex cross-section and the intersection of the two faces forms an edge with an acute angle, usually of around 30°. They were worked with great skill and therefore they are more aesthetically attractive. They are usually associated with periods of highly developed tool making such as the
Micoquien The Micoquien is an early middle paleolithic industry, that is found in the Eemian and in an early episode of the Würm glaciation (about 130,000 to 60,000 BCE). The Micoquien is distinguished technologically by the appearance of distinctly asy ...
or the Mousterian. Soft hammer manufacturing is not reliable as the sole dating method. Hand axes were created to be tools and as such they wore out, deteriorated and/or broke during use. Relics have suffered dramatic changes throughout their useful lives. It is common to find edges that have been sharpened, points that have been reconstructed and profiles that have been deformed by reworking in order to extend the piece's useful lifetime. Some tools were recycled later, leading Bordes to note that hand axes "are sometimes found in the Upper Palaeolithic. Their presence, which is quite normal in the Perigordian I, is often due, in other levels, to the collection of Mousterian or Acheulean tools.".. The quote is from page 53 and the figure with dimensions is from page 51.


Morphology

Hand axes have traditionally been oriented with their narrowest part upwards (presupposing that this would have been the most active part, which is not unreasonable given the many hand axes that have unworked bases). The following typological conventions are used to facilitate communication. The axis of symmetry that divides a biface in two is called the ''morphological axis.'' The ''main face'' is usually the most regular and better worked face. The ''base'' (not the ''heel'') is the bottom of the hand axe. *Terminal Zone—the narrowest end, opposite the base. Its most common shape is pointed, more or less acute or oval. Some hand axes have terminal ends that are rounded or polygonal (i.e. not pointed) while others have terminal ends that are transversal to the axis, called cleaver or spatulate. *Proximal End (base)—opposite the terminal end (usually broader and thicker), it can be described as either ''reserved'' (partially or totally worked, but not cut); or ''cut'', with a rounded (polygonal), flat or pointed end. *Edges—convex, rectilinear or concave, and more or less even. Edges on some specimens are denticulate – scalloped – or notched. Some specimens have unsharpened edges. The profile of a hand axe's worked edges can be regular without pronounced rectilinear deviations (the edge is gently curved in the form of an S) or an edge may be more sinuous and wave-formed with pronounced curves or deviations in the edge's profile. On some specimens only selected areas have been formed into a working edge. * Cross section—the horizontal cross-section taken at some distance from the base. It is possible to discern retouching or rebuilding in deteriorated parts of the edges. The following types of cross section are commonly seen: triangular (sub-triangular and backed triangular), rhombic ( rhomboidal and backed rhomboidal), trapezium ( trapezoid and backed trapezoidal), pentagon (pentagonal and backed pentagonal), polygonal, biconvex or lenticular (sub lenticular). *Profile—By definition, hand axes have a roughly balanced outline, with a morphological axis that also serves as an axis of bilateral symmetry and a plane that serves as an axis of bifacial symmetry. Not all hand axes are perfectly symmetrical. Symmetry was achieved only after millennia of development. Symmetry may not make tools more useful. Hand axes were used in a variety of heavy physical tasks. They deteriorated, wore out and broke and were often repaired with retouching of their edges, recovery of their points or complete reworking. The majority of discovered pieces are remains, pieces that have been discarded after a long life as tools, during which they often were damaged and/or adapted for specialized tasks. Such pieces may have lost whatever symmetry they initially had. Hand axe profiles can be classified into the following categories:


Dimensions and ratios

Hand axe measurements use the morphological axis as a reference and for orientation. In addition to length,
width Length is a measure of distance. In the International System of Quantities, length is a quantity with dimension distance. In most systems of measurement a base unit for length is chosen, from which all other units are derived. In the Interna ...
, depth, specialists have proposed a wide range of other
physical quantities A physical quantity is a physical property of a material or system that can be quantified by measurement. A physical quantity can be expressed as a ''value'', which is the algebraic multiplication of a ' Numerical value ' and a ' Unit '. For exam ...
. The most common were proposed by Bordes and Balout: *Maximum length (L) *Maximum width (m) *Maximum depth (e) *Distance from the base to the zone with the maximum width (a) *Width 3/4 of the way along the piece (o) A and o can be used to delineate the contour's cross section and to measure the angles of the edges (provided this is not an area covered in the stone's original cortex). These angular measurements for the edges are made using a goniometer. Edge length, weight and the length of the chord described by the edges (if the piece has a transverse terminal bezel) can be measured. These measurements allow morphological and technical ratios to be established (for example, the relationship between the weight and the length of the cutting edges, or the relationship between the hammer used to form the piece and the angle obtained etc.). The most commonly used coefficients were established by Bordes for the morphological-mathematical classification of what he called "classic bifaces" (Balout proposed other, similar indices): *Base-rounding index—allows classic bifaces to be separated into triangular, almond-shaped and oval families. The L/a ratio provides the following separation thresholds: *Elongation index—separates common bifaces from the ''short'' (and, occasionally, from the ''elongated''). For example, within the family of ''Oval bifaces'' the index distinguishes discoidal bifaces from other types; in the ''Almond-shaped bifaces'' it identifies lanceolate or micoquien bifaces. The index is calculated using L/m. Thresholds: *Cross-sectional/planar index—divides the ''thick'' bifaces from the ''flat'' ones and is used only on certain types. In the ''Almond-shaped bifaces'' (along with the elongation index) it distinguishes the amygdaloid bifaces (thick) from the cordiform bifaces (flat). The index is calculated using m/e. Thresholds: *Other indexes apply to the other types of bifaces (partial bifaces, bifaces with an unworked base, or cleaver, spatulate, Abbevillean, nucleiform, etc.).


Bordes hand axe typology

The following guide is strongly influenced by the possibly outdated and basically morphological "Bordes method" classification system. This classification is particularly applicable to ''classic hand axes'', those that can be defined and catalogued by measuring dimensions and mathematical ratios, while disregarding nearly all subjective criteria. ''"''Distinguishing between different types of hand axes is not always easy. There is often no room for doubts, however, there are a number of cases where the difficulty is real.''"'' In the majority of cases, this system agrees with previously established categories (although slightly redefining them). Balout made a similar attempt at categorization.


Non-classic specimens

Many specimens defeat objective classification. Bordes created a group he called "non-classic bifaces" to which mathematical indexes do not apply. *Nucleiform bifaces—It is difficult to distinguish a true biface from a core with modified edges that was occasionally used as a tool. A piece could also be a blank or a chance occurrence. Despite their rough appearance, nucleiform bifaces were present in both the Acheulean and the Mousterian. *Cleaver-bifaces—These bifaces have an apex that is neither pointed nor rounded. They possess a relatively wide terminal edge that is transverse to the morphological axis. This edge is usually more or less sub-rectilinear, slightly concave or convex. They are sometimes included within the classic types as they have a balanced, well-finished form. Cleaver-bifaces were defined by Chavaillón in 1958 as "biface with terminal bevel" (''biface à biseau terminal''), while Bordes simply called them "cleavers" (''hachereaux)'' The current term was proposed in French by Guichard in 1966 (''biface-hachereau''). The term biface-cleaver was proposed in Spanish in 1982 (bifaz-hendidor), with "biface" used as a
noun A noun () is a word that generally functions as the name of a specific object or set of objects, such as living creatures, places, actions, qualities, states of existence, or ideas.Example nouns for: * Living creatures (including people, alive, ...
referring to the typological group a piece belongs to due to its bifacial modelling and "cleaver" used as an
adjective In linguistics, an adjective ( abbreviated ) is a word that generally modifies a noun or noun phrase or describes its referent. Its semantic role is to change information given by the noun. Traditionally, adjectives were considered one of the ...
because of its morphology. Technically they are bifaces, but morphologically they are similar to cleavers, although their personality is completely distinct: The multi-use capability of a biface, including this type, conflicts with the technological simplicity of a cleaver, even though their morphology and function may be similar. *Abbevillean style bifaces—This hand axe takes its name from the French
municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the ...
of Abbeville, where they were first found in a marl quarry in the valley of the River Somme. They were initially associated with Abbevillean culture, for which they are an index fossil (although paradoxically these hand axes are particularly scarce at the Abbeville site). The Abbevillean is an initial archaic phase of the Archulean, even if it does not always appear in the stratigraphic register. Archaic hand axes such as those from Abbeville can be found throughout the Lower Palaeolithic, without this suggesting any chronological or cultural reference, supporting the term ''Abbevillean style biface''. These hand axes were worked using only a hard hammer, without retouching, leaving them sinuous. They are asymmetrical, varied and irregular, with their shape generally determined by the stone's own shape. Their base is covered by cortex along with large areas of the sides. They tend to be relatively thick. *Partial bifaces: These are without knapping affecting more than a small part of the core. They were created with only a few blows, although this depends on the correct core choice. They are often barely recognizable as chopping tools, but their general aspect and finishing qualifies them as bifaces. The extreme age of the industry to which they belong and the economy of effort serve to qualify them:


Tools sometimes categorized as bifaces

Hand axes constitute an important group artefacts from the Acheulean. They are particularly important in open air archaeological sites (Keelley suggested that they are less common in cave sites). Hand axes, chopping tools and trihedral picks are considered ''core'' utensils, which were commonly manufactured out of stones, blocks or rock nodules. However this grouping is problematic as these tools were often also fabricated from (large) flakes. Another common suggestion is to refer to flake tools as ''micro industry,'' as opposed to the more general size referred to as ''macro industry'', which includes hand axes and cleavers. However, some scrapers are as big as hand axes. *The most elaborated chopping tools and partial hand axes are linked and it is often difficult to distinguish between them. The concept of chopping tools is based on their lack of formal standardization (which is typical of hand axes) and includes the possibility that the pieces are shallow cores, which is unthinkable for the bifaces (except the nucleiforms). *While hand axes and cleavers occasionally served for similar tasks, their design is fundamentally different. * Trihedral picks are no longer considered a specialized type of hand axe. Another group of tools commonly associated with hand axes is the ''biface leafpoint tools'' from the Lower and Middle Palaeolithic in the Old World. The difference between the two types is based on the latter's fine, light finishing with a soft hammer and in a morphology that suggests a specific function, possibly as the point of a projectile or a knife. Representatives of these tools include well known examples from the specialized literature: *The biface leafpoint tools of central Europe are called ''blattspitzen''. They are projectile points belonging to the Middle Palaeolithic with a leaf-shaped form. They are often dual pointed and flat, making them similar to Solutrean laurel leaf blades. It is possible to distinguish the two only from their archaeological context. Blattspitzen survived in some Upper Palaeolithic cultures. The pieces from the eastern European Szeletien culture (both blattspitzen and Micoquian bifaces) could be the link that connects the tradition of Lower and Middle Palaeolithic bifacial objects with those from the Upper Palaeolithic and beyond. *Hand axes found in Africa come from both the
Aterian The Aterian is a Middle Stone Age (or Middle Palaeolithic) stone tool industry centered in North Africa, from Mauritania to Egypt, but also possibly found in Oman and the Thar Desert. The earliest Aterian dates to c. 150,000 years ago, at the sit ...
culture of North Africa and the
Stillbay The Stillbay (also Still bay) industry is the name given by archaeologists A. J. H. Goodwin and C. van Riet Lowe in 1929 to a Middle Stone Age stone tool manufacturing style after the site of Stilbaai (also called Still Bay) in South Africa where ...
culture from East Africa. Both these cases relate to Mousterian cultures, although they are relatively late and have their own style, at the end of the so-called African '' Middle Stone Age''. In both cases a variety of objects are found, triangular, oval and other leaf-point. Hand axes and unifaces also came from other cultures.


Importance

The hand axe helped establish that early humans were capable of constructing relatively sophisticated tools that also reflected a sense of aesthetics. The 19th century publications of Frere, and more importantly of Boucher de Perthes, in France, described pieces that were balanced, symmetrical and crafted with a formal purity. Vilanova i Piera published similar works in Spain. This work was continued by Pérez de Barradas and del Prado at the start of the 20th century. As Leroi-Gourhan explained, it is important to ask what was understood of art at the time, considering the psychologies of non-modern humans. Archaeological records documenting rapid progress towards symmetry and balance surprised Leroi-Gourha. He felt that he could recognize beauty in early prehistoric tools made during the Acheulean: Many authors refer only to exceptional pieces. The majority of hand axes tended to symmetry, but lack artistic appeal. Generally, only the most striking pieces are considered, mainly 19th or early 20th century collections. At that time a lack of knowledge regarding prehistoric technology prevented a recognition of human actions in these objects. Other collections were made by aficionados, whose interests were not scientific, so that they collected only objects they considered to be outstanding, abandoning humbler elements that were sometimes necessary to interpret an archaeological site. Exceptions include sites methodically studied by experts where magnificently carved, abundant hand axes caused archaeologists to express admiration for the artists: The discovery in 1998 of an oval hand axe of excellent workmanship in the Sima de los Huesos in the Atapuerca Mountains mixed in with the fossil remains of '' Homo heidelbergensis'' reignited this controversy. Given that this is the only lithic remnant from this section of the site (possibly a burial ground), combined with the piece's qualities led it to receive special treatment, it was even baptized Excalibur and it became a ''star item''. However, the symbolic meaning of this example in particular, and hand axes in general, has multiplied in recent years, feeding both scientific and more general debate and literature. Basch offered this counterargument: Paradoxically, within the wide range of Acheulean objects, hand axes are one of the simplest tools. They do not require as much planning as other types of object, generally made from flakes, that are less striking but more sophisticated. Archaeologists have evidence of hand axes that are 1.2 million years old in Melka Kunturé (Ethiopia), but the oldest, from Konso-Gardula, could be 1.9 million years old: Although it is now known that they are the heritage of a number of human species, with '' Homo ergaster'' the earliest, up until 1954 no solid evidence indicated who had fabricated hand axes: in that year, in Ternifine, Algeria, Arambourg discovered remains that he called "Atlanthropus", along with some hand axes. All the species associated with hand axes (from ''H. ergaster'' to H. ''neanderthalensis'') show an advanced intelligence that in some cases is accompanied by modern features such as a relatively sophisticated technology, systems to protect against inclement weather (huts, control of fire, clothing), and certain signs of spiritual awareness (early indications of art such as adorning the body, carving of bones, ritual treatment of bodies, articulated language).


Image gallery

File:Vuistbijl in silex, 500 000 tot 400 000 BP, vindplaats- Kesselt, Op de Schans, 2007, erosiegeul, collectie Gallo-Romeins Museum Tongeren, GRM 19169.jpg, Atypical flint biface from the Lower Paleolithic Acheulean site of Kesselt (Belgium), 500.000-390.000 BP Gallo-Roman Museum (Tongeren) File:Vuistbijl in silex, 250 000 tot 38 000 BP, vindplaats- Meeuwen, In den Damp, 21.10.1985.jpg, Middle Paleolithic flint biface from Meeuwen (Belgium), Gallo-Roman Museum (Tongeren) File:Great Handaxe from Furze Platt-Berkshire.jpg, Very large hand axe from Furze Platt, Berkshire, Great Britain. File:Biface de St Acheul MHNT.jpg,
Flint Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone. Flint was widely used historically to make stone tools and start ...
biface from
Saint-Acheul Saint-Acheul is a commune in the Somme department in Hauts-de-France in northern France. It is not to be confused with Saint-Acheul, a suburb of Amiens after which the Acheulean archaeological culture of the Lower Paleolithic is named. Geogr ...
, France. File:Bifaz de San Isidro (M.A.N. 1942-101-4-4723) 01.jpg, Acheulean flint biface from 200,000 years BP, found in
Madrid Madrid ( , ) is the capital and most populous city of Spain. The city has almost 3.4 million inhabitants and a metropolitan area population of approximately 6.7 million. It is the second-largest city in the European Union (EU), and ...
(Spain). File:Miorcani flint.jpg, A hand axe made of Miorcani flint from the Cenomanian chalky marl layer of the Moldavian Plateau. (ca. 7.5 cm wide). File:Biface Silex Venerque MHNT PRE .2009.0.194.1 Fond.jpg, A biface found in
Venerque Venerque (; oc, Venèrca) is a commune in the Haute-Garonne department in southwestern France. Venerque-le-Vernet station has rail connections to Toulouse, Foix and Latour-de-Carol. Population The inhabitants of the commune are known as ''Vene ...
, France.


Notes


References


Bibliography

* * * *
A. S. Barnes __NOTOC__ Alfred Smith Barnes (January 28, 1817 – February 17, 1888) was an American publisher and philanthropist. Early life Barnes was born in New Haven, Connecticut, to Eli Barnes of Southington, Connecticut, a farmer and innkeeper, who fo ...
/H. H. Kidder, Differentes techniques de débitage à La Ferrassie. Bull. Soc. Préhist. Franç. 33, 1936, 272–288. *C. A Bergmann/M. B. Roberts, Flaking technology at the Acheulean site of Boxgrove, West Sussex, England. Rev. Arch. Picardie, Numero Special, 1–2, 1988, 105–113. * *F. Bordes, Le couche Moustérienne du gisement du Moustier (Dordogne): typologie et techniques de taille. Soc. Préhist. Française 45, 1948, 113–125. *F. Bordes, Observations typologiques et techniques sur le Périgordien supérieur du Corbiac (Dordogne). Soc. Préhist. Française 67, 1970, 105–113. *F. Bordes, Le débitage levallois et ses variantes. Bull. Soc. Préhist. Française 77/2, 1980, 45–49. *P. Callow, The Olduvai bifaces: technology and raw materials. In: M. D. Leakey/D. A. Roe, Olduvai Gorge Vol. 5. (Cambridge 1994) 235–253. *H. L. Dibble, Reduction sequences in the manufacture of Mousterian implements in France. In: O. Soffer (Hrsg.), The Pleistocene of the Old world, regional perspectives (New York 1987). *P. R. Fish, Beyond tools: middle palaeolithic debitage: analysis and cultural inference. J. Anthr. Res. 1979, 374–386. *F. Knowles, ''Stone-Worker's Progress'' (Oxford 1953). * Marek Kohn/Steven Mithen Axes, products of sexual selection?, ''Antiquity'' 73, 1999, 518–26. *K. Kuman, The Oldowan Industry from Sterkfontein: raw materials and core forms. In: R. Soper/G. Pwiti (Hrsg.), Aspects of African Archaeology. Papers from the 10th Congress of the Pan-African Association for Prehistory and Related Studies. Univ. of Zimbabwe Publications (Harare 1996) 139–146. *J. M. Merino, Tipología lítica. Editorial Munibe 1994. Suplemento, (San Sebastián 1994). . *H. Müller-Beck, Zur Morphologie altpaläolithischer Steingeräte. Ethnogr.-Archäol.-Zeitschr. 24, 1983, 401–433. *M. Newcomer, Some quantitative experiments in hand axe manufacture. World Arch. 3, 1971, 85–94. *Th. Weber, Die Steinartefakte des Homo erectus von Bilzingsleben. In: D. Mania/Th. Weber (Hrsg.), Bilzingsleben III. Veröff. Landesmus. Vorgesch. Halle 39, 1986, 65–220.


External links


Rediscovery and the cognitive aspects of toolmaking: Lessons from the handaxe
by William H. Calvin

* ttp://arqueologicas.tripod.com/bifaces.html «Bifaces de Cuba»*10.1126/science.287.5458.1622 * * {{DEFAULTSORT:Hand Axe Axes Lithics Archaeological artefact types Primitive weapons Paleolithic Stone objects eo:Pugnokojno fy:Fûstbile