Tora, Egypt
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Tura ( '  , , ) was the primary
quarry A quarry is a type of open-pit mining, open-pit mine in which dimension stone, rock (geology), rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some juri ...
for
limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
in
ancient Egypt Ancient Egypt () was a cradle of civilization concentrated along the lower reaches of the Nile River in Northeast Africa. It emerged from prehistoric Egypt around 3150BC (according to conventional Egyptian chronology), when Upper and Lower E ...
. The site, which was known by the ancient Egyptians as ''Troyu'' or ''Royu'', is located about halfway between modern-day
Cairo Cairo ( ; , ) is the Capital city, capital and largest city of Egypt and the Cairo Governorate, being home to more than 10 million people. It is also part of the List of urban agglomerations in Africa, largest urban agglomeration in Africa, L ...
and
Helwan Helwan ( ', , ) is a suburban district in the Southern Area of Cairo, Egypt. The area of Helwan witnessed prehistoric, ancient Egyptian, Roman and Muslim era activity. More recently it was designated as a city until as late as the 1960s, befor ...
. Its ancient Egyptian name was misinterpreted by the ancient Greek geographer
Strabo Strabo''Strabo'' (meaning "squinty", as in strabismus) was a term employed by the Romans for anyone whose eyes were distorted or deformed. The father of Pompey was called "Gnaeus Pompeius Strabo, Pompeius Strabo". A native of Sicily so clear-si ...
, who thought it meant it was inhabited by
Trojans Trojan or Trojans may refer to: * Of or from the ancient city of Troy * Trojan language, the language of the historical Trojans Arts and entertainment Music * ''Les Troyens'' ('The Trojans'), an opera by Berlioz, premiered part 1863, part 1890 ...
, thus the
Hellenistic In classical antiquity, the Hellenistic period covers the time in Greek history after Classical Greece, between the death of Alexander the Great in 323 BC and the death of Cleopatra VII in 30 BC, which was followed by the ascendancy of the R ...
city was named Troia. The site is located by the modern town of Tora in the
Cairo Governorate Cairo () is one of the 27 governorates of Egypt. It is formed of the city of Cairo, both the national capital of Egypt and the governorate's, in addition to six satellite cities: the New Administrative Capital - which became the official seat ...
. The limestone from the quarry is thought to be part of the
Mokattam Formation The Mokattam Formation is a Eocene, Middle Eocene-aged geological formation in northern Egypt. Consisting of Nummulite, nummulitic marine limestone outcropping across the Mokattam, Mokattam Hills, it has been extensively quarried from Ancient Egyp ...
, which was deposited during the late
Lutetian The Lutetian is, in the geologic timescale, a stage (stratigraphy), stage or age (geology), age in the Eocene. It spans the time between . The Lutetian is preceded by the Ypresian and is followed by the Bartonian. Together with the Bartonian it ...
stage of the
Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...
epoch, about 42 million years. Some fossil fish species have been described from the quarry.


Ancient mining town

The
limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
from Tura was the finest and whitest of all the Egyptian quarries, so it was used for facing stones for the richest tombs, as well as for the floors and ceilings of
mastaba A mastaba ( , or ), also mastabah or mastabat) is a type of ancient Egyptian tomb in the form of a flat-roofed, rectangular structure with inward sloping sides, constructed out of mudbricks or limestone. These edifices marked the burial sites ...
s, which were otherwise made of mudbrick. It was used during the
Old Kingdom In ancient Egyptian history, the Old Kingdom is the period spanning –2200 BC. It is also known as the "Age of the Pyramids" or the "Age of the Pyramid Builders", as it encompasses the reigns of the great pyramid-builders of the Fourth Dynast ...
and was the source of the limestone used for the "Rhomboidal Pyramid" or
Bent Pyramid The Bent Pyramid is an ancient Egyptian pyramid located at the royal necropolis of Dahshur, approximately south of Cairo, built under the Old Kingdom King Sneferu. A unique example of early pyramid development in Ancient Egypt, Egypt, this was th ...
of
Sneferu Sneferu or Soris (c. 2600 BC) was an ancient Egyptian monarch and the first pharaoh of the Fourth Dynasty of Egypt, during the earlier half of the Old Kingdom period (26th century BC). He introduced major innovations in the design and constructio ...
, the
Great Pyramid The Great Pyramid of Giza is the largest Egyptian pyramid. It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom. Built , over a period of about 26 years, the pyramid is the oldest of the Seven Wond ...
of
Khufu Khufu or Cheops (died 2566 BC) was an ancient Egyptian monarch who was the second pharaoh of the Fourth Dynasty of Egypt, Fourth Dynasty, in the first half of the Old Kingdom of Egypt, Old Kingdom period (26th century BC). Khufu succeeded his ...
, the
sarcophagi A sarcophagus (: sarcophagi or sarcophaguses) is a coffin, most commonly carved in stone, and usually displayed above ground, though it may also be buried. The word ''sarcophagus'' comes from the Greek σάρξ ' meaning "flesh", and φ ...
of many Old Kingdom nobles, the pyramids of the Middle Kingdom, and certain temples of the
New Kingdom New or NEW may refer to: Music * New, singer of K-pop group The Boyz * ''New'' (album), by Paul McCartney, 2013 ** "New" (Paul McCartney song), 2013 * ''New'' (EP), by Regurgitator, 1995 * "New" (Daya song), 2017 * "New" (No Doubt song), 1 ...
built by at least
Ahmose I Ahmose I (''Amosis'', ''Aahmes''; meaning "Iah (the Moon) is born") was a pharaoh and founder of the Eighteenth Dynasty of Egypt in the New Kingdom of Egypt, the era in which ancient Egypt achieved the peak of its power. His reign is usually d ...
, who may have used Tura limestone to begin the temple of
Ptah Ptah ( ; , ; ; ; ) is an ancient Egyptian deity, a creator god, and a patron deity of craftsmen and architects. In the triad of Memphis, he is the husband of Sekhmet and the father of Nefertem. He was also regarded as the father of the ...
at Memphis and the Southern Harem of Amun at Thebes. The Tura limestone was deep underground and instead of
open-pit mining Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique that extracts rock (geology), rock or minerals from the earth. Open-pit mines are used when deposits of commercially ...
, the carved tunnels to cut large stones out, leaving some limestone behind to support the caverns left behind.Quarries of Masara and Tura
Accessed July 28, 2006
These tunnels were surveyed by British Forces in 1941, and in quarry 35, workmen found many loose quires from books by
Origen Origen of Alexandria (), also known as Origen Adamantius, was an Early Christianity, early Christian scholar, Asceticism#Christianity, ascetic, and Christian theology, theologian who was born and spent the first half of his career in Early cent ...
and
Didymus the Blind Didymus the Blind ( Coptic: ; 398), alternatively spelled Dedimus or Didymous, was a Christian theologian in the Church of Alexandria, where he taught for about half a century. He was a student of Origen, and, after the Second Council of Constant ...
, two
Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...
n
Church Fathers The Church Fathers, Early Church Fathers, Christian Fathers, or Fathers of the Church were ancient and influential Christian theologians and writers who established the intellectual and doctrinal foundations of Christianity. The historical peri ...
. The workers who found them stole them, and although some were seized by the authorities, most are still missing, and turn up on the antiquities market from time to time. It is believed that some of the original books could have been up to 480 pages. The caves were adapted by British forces during World War II, initially using them to store a variety of equipment, including munitions. In 1942, it was decided they would serve better as a bomb-proof location for the repair of aircraft engines by the
Royal Air Force The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...
, and it was the engine repair section under 111 Maintenance Unit that was inspected on 22 August 1942 by
Winston Churchill Sir Winston Leonard Spencer Churchill (30 November 1874 – 24 January 1965) was a British statesman, military officer, and writer who was Prime Minister of the United Kingdom from 1940 to 1945 (Winston Churchill in the Second World War, ...
, who recorded that "Everything looked very smart and efficient on the spot, and an immense amount of work was being done day and night by masses of skilled men. But I had my tables of facts and figures and remained dissatisfied. The scale was far too small." The use of the caves for RAF aircraft engine repairs continued until 1945.


Paleontology

Some fossil taxa of marine
ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...
have been described from the quarry, including two soles ('' Eobuglossus'' and '' Turahbuglossus''), a
grunt Grunt, grunts or grunting may refer to: Sound and music * Grunting (tennis), in tennis refers to the loud noise, sometimes described as "shrieking" or "screaming", made by some players during their strokes * Death grunt, the death metal singi ...
('' Kemtichthys''), an
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 20 families, 164 genera, and about 1000 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
in the extinct genus ''
Mylomyrus ''Mylomyrus'' is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene Epoch. See also * Prehistoric fish * List of prehistoric bony fish This list of prehistoric bony fish is an attempt to create a comprehensiv ...
'' (''Mylomyrus frangens''), and an enigmatic scaleless percoid fish ('' Blabe''). All these fish would have inhabited the oceans that covered the area during the
Middle Eocene The Eocene ( ) is a geological epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''Ēṓs'', ' Dawn') a ...
, between 48.6 and 37.2 million years ago.


See also

*
List of ancient Egyptian sites This is a list of ancient Egyptian sites, throughout Egypt and Nubia. Sites are listed by their classical name whenever possible, if not by their modern name, and lastly with their ancient name if no other is available. Nomes A nome is a s ...
, including sites of temples *
List of types of limestone This article lists types of limestone arranged according to generic type and location. Generic limestone categories This section is a list of generic types of limestone. * * * * * * * * Marble – Metamorphic limestone * * * * ...


References


Bibliography

* {{Authority control Archaeological sites in Egypt Quarries