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The ''Ciampate del Diavolo'' ( Neapolitan: "Devil's Footprints" or "Devil's Trails") is a locality near the extinct Roccamonfina volcano in northern
Campania Campania is an administrative Regions of Italy, region of Italy located in Southern Italy; most of it is in the south-western portion of the Italian Peninsula (with the Tyrrhenian Sea to its west), but it also includes the small Phlegraean Islan ...
,
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
. It is named after fossilised footprints preserved in
pyroclastic flow A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of b ...
deposits that have been dated to around 350,000 years ago. They have been attributed to bipedal
hominid The Hominidae (), whose members are known as the great apes or hominids (), are a taxonomic family of primates that includes eight extant species in four genera: '' Pongo'' (the Bornean, Sumatran and Tapanuli orangutan); '' Gorilla'' (the ...
s, possibly ''
Homo heidelbergensis ''Homo heidelbergensis'' is a species of archaic human from the Middle Pleistocene of Europe and Africa, as well as potentially Asia depending on the taxonomic convention used. The species-level classification of ''Homo'' during the Middle Pleis ...
'', which is known to have inhabited the region at the time. The footprints comprise three sets of tracks indicating that three hominids made their way down a steep slope on the flank of the volcano, away from the crater. The tracks were preserved under a layer of
volcanic ash Volcanic ash consists of fragments of rock, mineral crystals, and volcanic glass, produced during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter. The term volcanic ash is also often loosely used to r ...
and were revealed by
erosion Erosion is the action of surface processes (such as Surface runoff, water flow or wind) that removes soil, Rock (geology), rock, or dissolved material from one location on the Earth's crust#Crust, Earth's crust and then sediment transport, tran ...
, probably in the late 18th to early 19th century. Local people attributed the prints to the
Devil A devil is the mythical personification of evil as it is conceived in various cultures and religious traditions. It is seen as the objectification of a hostile and destructive force. Jeffrey Burton Russell states that the different conce ...
as they regarded him as the only being capable of walking on
lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...
without harm. They were identified as hominid footprints after archaeologists examined them in 2002 and are the second oldest set of hominid footprints known outside Africa, after the
Happisburgh footprints The Happisburgh footprints were a set of fossilized Hominidae, hominid footprints that date to the end of the Early Pleistocene, around 850–950,000 years ago. They were discovered in May 2013 in a newly uncovered sediment layer of the Cromer F ...
.


Description

The area in which the tracks appear is an eroded layer of rock covering about 2,000 m2, tilted at an angle of about 45°, in a forest on the side of the volcano. The footprints consist of three sets of tracks which descend a steep slope created by a pyroclastic flow. The first, identified as Trackway A, measures and consists of 27 prints from left and right feet descending vertically along a Z-shaped course. It testifies to a careful descent down a steep and probably unstable slope. Trackway B is long and descends vertically along a single curved route. Less care was taken with this part of the descent, as slips and irregularities indicating stumbles are visible. Finally, the less well-preserved Trackway C measures along a single straight line which descends vertically. Occasional handprints are visible where the track-maker sought support on the steep slope, and a couple of animal paw marks made by a big dog or wolf are also visible.


Age and origins

Until the discovery of the
Happisburgh footprints The Happisburgh footprints were a set of fossilized Hominidae, hominid footprints that date to the end of the Early Pleistocene, around 850–950,000 years ago. They were discovered in May 2013 in a newly uncovered sediment layer of the Cromer F ...
in England in 2013, they were the oldest known hominid footprints outside Africa. The tracks were originally dated to between 385,000 and 325,000 years ago, but subsequent studies using
argon–argon dating Argon–argon (or 40Ar/39Ar) dating is a radiometric dating method invented to supersede Potassium-argon dating, potassiumargon (K/Ar) dating in accuracy. The older method required splitting samples into two for separate potassium and argon measur ...
placed the date more precisely as around 349–350,000 years ago. The pyroclastic deposits in which the footprints were imprinted were laid down around 349,000 years ago (±3,000 years), while the layer of volcanic ash which subsequently covered and preserved them was deposited around 350,000 years ago (±3,000 years). The footprints are thought to have been exposed by erosion caused by heavy precipitation and landslides in the early 19th century, when the name ''Ciampate del Diavolo'' was first recorded. The track-makers are estimated to have been about tall and to have been travelling at a speed of per second. Based on the age of the tracks, they have been tentatively ascribed to the hominid ''Homo heidelbergensis'', a probable ancestor of the
Neanderthals Neanderthals ( ; ''Homo neanderthalensis'' or sometimes ''H. sapiens neanderthalensis'') are an extinction, extinct group of archaic humans who inhabited Europe and Western and Central Asia during the Middle Pleistocene, Middle to Late Plei ...
. As the tracks point away from the volcano's crater, it is possible that they were made while the track-makers were trying to escape an eruption. There was certainly an eruption following the track-makers' passage, as the tracks were buried under a subsequently erupted layer of volcanic ash which preserved them to the present day. Based on the small stature of the individuals, it has been suggested that the prints were made by children.


Investigations

The tracks were known locally for many years, as they are situated near a trail that was established in the 18th century between the villages of Tuoro/Foresta and Piccilli. Local people attributed them to the Devil, the only being considered capable of walking on lava without burning his feet, but despite this the site was not considered cursed or threatening. In 1986 a writer suggested that the footprints might have been created in historic times by a human. It was not until 2002 that they were first brought to scientific attention by two amateur archaeologists who noticed them and informed archaeologists at the
University of Padua The University of Padua (, UNIPD) is an Italian public research university in Padua, Italy. It was founded in 1222 by a group of students and teachers from the University of Bologna, who previously settled in Vicenza; thus, it is the second-oldest ...
. A cattle path through the forest formerly crossed the fossil tracks and caused accelerated erosion at that point, but since 2001 the vegetation around the tracks has been cleared away and the exposed rock protected by fencing. The tracks were initially thought to have been made by prehistoric elephants but when Paolo Mietto and two other researchers from the University of Padua investigated them, they were surprised to find that the tracks were of hominid origin. It is very rare to find preserved hominid footprints in open-air environments, where they are vulnerable to erosion; most examples are found in enclosed and thus better protected environments such as caves.


See also

* Laetoli footprints *
Paleoanthropology Paleoanthropology or paleo-anthropology is a branch of paleontology and anthropology which seeks to understand the early development of anatomically modern humans, a process known as hominization, through the reconstruction of evolutionary kinsh ...


References


Further reading

* * Panarello, Adolfo (2005)
''Le impronte umane fossili di "Foresta"''
– account of the footprints' scientific discovery n Italian {{Homo heidelbergensis, state=collapsed Geographical, historical and cultural regions of Italy Geography of Campania Paleoanthropological sites Fossil trackways Lower Paleolithic Legendary footprints Geomyths