Acheulean

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Acheulean
Fauresmith industry
A cordiform biface as commonly found in the Acheulean (replica)
Acheulean hand-axes from Kent. The types shown are (clockwise from top) cordate, ficron, and ovate.[citation needed]
Nice, France, as postulated by Henry de Lumley dated to 400 thousand years ago.[1]

Acheulean (

archaeological industry of stone tool manufacture characterized by the distinctive oval and pear-shaped "hand axes" associated with Homo erectus and derived species such as Homo heidelbergensis
.

Acheulean tools were produced during the

Lower Palaeolithic era across Africa and much of West Asia, South Asia, East Asia and Europe, and are typically found with Homo erectus remains. It is thought that Acheulean technologies first developed about 2 million years ago, derived from the more primitive Oldowan technology associated with Homo habilis.[2]
The Acheulean includes at least the early part of the
Neanderthals adopted Acheulean technology, transitioning to Mousterian
by about 160,000 years ago.

History of research

The

Picardy, where artifacts were found in 1859.[3]

Royal Academy in London from Hoxne in Suffolk. He had found them in prehistoric lake deposits along with the bones of extinct animals and concluded that they were made by people "who had not the use of metals" and that they belonged to a "very ancient period indeed, even beyond the present world".[4] His ideas were, however, ignored by his contemporaries, who subscribed to a pre-Darwinian view of human evolution.[citation needed
]

Later,

Somme near Abbeville in northern France. Again, his theories attributing great antiquity to the finds were spurned by his colleagues, until one of de Perthes' main opponents, Marcel Jérôme Rigollot, began finding more tools near Saint Acheul. Following visits to both Abbeville and Saint Acheul by the geologist Joseph Prestwich, the age of the tools was finally accepted.[citation needed
]

In 1872,

Louis Laurent Gabriel de Mortillet described the characteristic hand-axe tools as belonging to L'Epoque de St Acheul. The industry was renamed as the Acheulean in 1925.[citation needed
]

Dating the Acheulean

Providing calendrical dates and ordered chronological sequences in the study of early stone tool manufacture is often accomplished through one or more geological techniques, such as

West Turkana region of Kenya were described[7] which have been dated through the method of magnetostratigraphy to about 1.76 million years ago,[8] and in 2023 finds from Ethiopia were reported dating to 1.95 million years ago.[2] The earliest user of Acheulean tools may have been Homo ergaster, who first appeared about 1.8 million years ago (not all researchers use this formal name, and instead prefer to call these users early Homo erectus[9]). However, it is impossible to know for sure whether Homo ergaster was the only maker of early Acheulean tools, since other hominin species, such as Homo habilis, also lived in East Africa at this time.[10]

From geological dating of sedimentary deposits, it appears that the Acheulean originated in Africa and spread to Asian, Middle Eastern, and European areas sometime between 1.5 million years ago and about 800 thousand years ago.

hand-axes from Spain were made more than 900,000 years ago.[12]

Relative dating techniques (based on a presumption that technology progresses over time) suggest that Acheulean tools followed on from earlier, cruder tool-making methods, but there is considerable chronological overlap in early prehistoric stone-working industries, with evidence in some regions that Acheulean tool-using groups were contemporary with other, less sophisticated industries such as the Clactonian[13] and then later with the more sophisticated Mousterian, as well. It is therefore important not to see the Acheulean as a neatly defined period or one that happened as part of a clear sequence but as one tool-making technique that flourished especially well in early prehistory. The enormous geographic spread of Acheulean techniques also makes the name unwieldy as it represents numerous regional variations on a similar theme. The term Acheulean does not represent a common culture in the modern sense, rather it is a basic method for making stone tools that was shared across much of the Old World.[citation needed]

The very earliest Acheulean

assemblages often contain numerous Oldowan-style flakes and core forms and it is almost certain that the Acheulean developed from this older industry. These industries are known as the Developed Oldowan and are almost certainly transitional between the Oldowan and Acheulean.[citation needed
]

Regionally subdivided end times of the Acheulean show that it persisted long after the diffusion of

Middle Palaeolithic technologies in multiple continental regions and ended over 100,000 years apart – in Africa and the Near East: 175–166 kya, in Europe: 141–130 kya and in Asia: 57–53 kya.[14][15]

Acheulean stone tools

Stages

MHNT

In the four divisions of prehistoric stone-working,[16] Acheulean artefacts are classified as Mode 2, meaning they are more advanced than the (usually earlier) Mode 1 tools of the Clactonian or Oldowan/Abbevillian industries but lacking the sophistication of the (usually later) Mode 3 Middle Palaeolithic technology, exemplified by the Mousterian industry.[citation needed]

The Mode 1 industries created rough flake tools by hitting a suitable stone with a hammerstone. The resulting flake that broke off would have a natural sharp edge for cutting and could afterwards be sharpened further by striking another smaller flake from the edge if necessary (known as "retouch"). These early toolmakers may also have worked the stone they took the flake from (known as a core) to create chopper cores although there is some debate over whether these items were tools or just discarded cores.[17]

The Mode 2 Acheulean toolmakers also used the Mode 1 flake tool method but supplemented it by using bone, antler, or wood to shape stone tools. This type of hammer, compared to stone, yields more control over the shape of the finished tool. Unlike the earlier Mode 1 industries, it was the core that was prized over the flakes that came from it. Another advance was that the Mode 2 tools were worked symmetrically and on both sides indicating greater care in the production of the final tool.[citation needed]

Mode 3 technology emerged towards the end of Acheulean dominance and involved the

Upper Palaeolithic Mode 4 industries appeared long after the Acheulean was abandoned.[citation needed
]

As the period of Acheulean tool use is so vast, efforts have been made to classify various stages of it such as John Wymer's division into Early Acheulean, Middle Acheulean, Late Middle Acheulean and Late Acheulean[18] for material from Britain. These schemes are normally regional and their dating and interpretations vary.[19]

In Africa, there is a distinct difference in the tools made before and after 600,000 years ago with the older group being thicker and less symmetric and the younger being more extensively trimmed.[20]

Manufacture

The primary innovation associated with Acheulean

bifacially worked tools that could be manufactured from the large flakes themselves or from prepared cores.[21]

Tool types found in Acheulean

assemblages include pointed, cordate, ovate, ficron, and bout-coupé hand-axes (referring to the shapes of the final tool), cleavers, retouched flakes, scrapers, and segmental chopping tools. Materials used were determined by available local stone types; flint is most often associated with the tools but its use is concentrated in Western Europe; in Africa sedimentary and igneous rock such as mudstone and basalt were most widely used, for example. Other source materials include chalcedony, quartzite, andesite, sandstone, chert, and shale. Even relatively soft rock such as limestone could be exploited.[22] In all cases the toolmakers worked their handaxes close to the source of their raw materials, suggesting that the Acheulean was a set of skills passed between individual groups.[23]

Some smaller tools were made from large flakes that had been struck from stone cores. These flake tools and the distinctive waste flakes produced in Acheulean tool manufacture suggest a more considered technique, one that required the toolmaker to think one or two steps ahead during work that necessitated a clear sequence of steps to create perhaps several tools in one sitting.[citation needed]

A hard hammerstone would first be used to rough out the shape of the tool from the stone by removing large flakes. These large flakes might be re-used to create tools. The tool maker would work around the circumference of the remaining stone core, removing smaller flakes alternately from each face. The scar created by the removal of the preceding flake would provide a striking platform for the removal of the next. Misjudged blows or flaws in the material used could cause problems, but a skilled toolmaker could overcome them.[citation needed]

Once the roughout shape was created, a further phase of flaking was undertaken to make the tool thinner. The thinning flakes were removed using a softer hammer, such as bone or antler. The softer hammer required more careful preparation of the striking platform and this would be abraded using a coarse stone to ensure the hammer did not slide off when struck.[citation needed]

Final shaping was then applied to the usable cutting edge of the tool, again using fine removal of flakes. Some Acheulean tools were sharpened instead by the removal of a

flint-knapping debris at Acheulean sites.[citation needed
]

Use

Acheulean hand-axe from Egypt. Found on a hill top plateau, 1400 feet above sea level, nine miles northwest of the city of Naqada, Egypt. Paleolithic artifact displayed in the Petrie Museum of Egyptian Archaeology of London

Loren Eiseley calculated[24] that Acheulean tools have an average useful cutting edge of 20 centimetres (8 inches), making them much more efficient than the 5-centimetre (2 in) average of Oldowan tools.[citation needed]

Use-wear analysis on Acheulean tools suggests there was generally no specialization in the different types created and that they were multi-use implements. Functions included hacking wood from a tree, cutting animal carcasses as well as scraping and cutting hides when necessary. Some tools, however, could have been better suited to digging roots or butchering animals than others.[citation needed]

Alternative theories include a use for ovate hand-axes as a kind of hunting

association together. Sites such as Melka Kunturé in Ethiopia, Olorgesailie in Kenya, Isimila in Tanzania, and Kalambo Falls in Zambia have produced evidence that suggests Acheulean hand-axes might not always have had a functional purpose.[citation needed
]

Recently, it has been suggested[26] that the Acheulean tool users adopted the handaxe as a social artifact, meaning that it embodied something beyond its function of a butchery or wood cutting tool. Knowing how to create and use these tools would have been a valuable skill and the more elaborate ones suggest that they played a role in their owners' identity and their interactions with others. This would help explain the apparent over-sophistication of some examples which may represent a "historically accrued social significance".[27]

One theory goes further and suggests that some special hand-axes were made and displayed by males in search of a mate, using a large, well-made hand-axe to demonstrate that they possessed sufficient strength and skill to pass on to their offspring. Once they had attracted a female at a group gathering, it is suggested that they would discard their axes, perhaps explaining why so many are found together.[28] This popular sexual selection hypothesis is controversial due to the assumptions made about sexual selection among extinct organisms.[29]

Stone knapping with limited digital dexterity makes the center of mass the required direction of flake removal. Physics then dictates a circular or oval end pattern, similar to the handaxe, for a leftover core after flake production. This would explain the abundance, wide distribution, proximity to source, consistent shape, and lack of actual use, of these artifacts.[30][additional citation(s) needed]

Mimi Lam, a researcher from the University of British Columbia, has suggested that Acheulean hand-axes became "the first commodity: A marketable good or service that has value and is used as an item for exchange."[31]

Distribution

The Paleolithic
↑ Pliocene (before Homo)
Lower Paleolithic
 (c. 3.3 Ma – 300 ka)
Middle Paleolithic
 (c. 300–50 ka)
Upper Paleolithic
 (c. 50–12 ka)

Fertile Crescent:

Europe:

Africa:

Siberia:

↓ Mesolithic
Saint-Acheul
Bose Basin
class=notpageimage|
Map of Afro-Eurasia
showing important sites of the Acheulean industry (clickable map).

The geographic distribution of Acheulean tools – and thus the peoples who made them – is often interpreted as being the result of

Sahara Desert.[32]

Biface from Saint Acheul

Acheulean stone tools have been found across the continent of Africa, save for the dense

River Congo which is not thought to have been colonized by hominids until later. It is thought that from Africa their use spread north and east to Asia: from Anatolia, through the Arabian Peninsula, across modern day Iran[33] and Pakistan, and into India, and beyond. In Europe their users reached the Pannonian Basin and the western Mediterranean regions, modern day France, the Low Countries
, western Germany, and southern and central Britain.

Areas further north did not see human occupation until much later, due to glaciation. In Athirampakkam at Chennai in Tamil Nadu the Acheulean age started at 1.51 mya and it is also prior than North India and Europe.[34]

Until the 1980s, it was thought that the humans who arrived in East Asia abandoned the hand-axe technology of their ancestors and adopted chopper tools instead. An apparent division between Acheulean and non-Acheulean tool industries was identified by Hallam L. Movius, who drew the Movius Line across northern India to show where the traditions seemed to diverge. Later finds of Acheulean tools at Chongokni in South Korea and also in Mongolia and China, however, cast doubt on the reliability of Movius's distinction.[35] Since then, a different division known as the Roe Line has been suggested. This runs across North Africa to Israel and thence to India, separating two different techniques used by Acheulean toolmakers. North and east of the Roe Line, Acheulean hand-axes were made directly from large stone nodules and cores; while, to the south and west, they were made from flakes struck from these nodules.[36]

Biface (trihedral) Amar Merdeg, Mehran, National Museum of Iran

Acheulean tool users

For further details of the known environment and people during the time when Acheulean tools were being made, see
Lower Palaeolithic
.

Most notably, however, it is

assemblages are almost exclusively Acheulean, who used the technique. Later, the related species Homo heidelbergensis (the common ancestor of both Neanderthals and Homo sapiens) used it extensively.[citation needed
] Late Acheulean tools were still used by species derived from H. erectus, including
Homo sapiens idaltu and early Neanderthals.[37]

The symmetry of the hand-axes has been used to suggest that Acheulean tool users possessed the ability to use

hominines.[39] Others argue that there is no correlation between spatial abilities in tool making and linguistic behaviour, and that language is not learned or conceived in the same manner as artefact manufacture.[40]

Lower Palaeolithic finds made in association with Acheulean hand-axes, such as the

Kapthurin in Kenya[43] and Duinefontein in South Africa,[44] are sometimes cited as being some of the earliest examples of an aesthetic sensibility in human history. There are numerous other explanations put forward for the creation of these artefacts; however, evidence of human art did not become commonplace until around 50,000 years ago, after the emergence of modern Homo sapiens.[45]

The kill site at Boxgrove in England is another famous Acheulean site. Up until the 1970s these kill sites, often at waterholes where animals would gather to drink, were interpreted as being where Acheulean tool users killed game, butchered their carcasses, and then discarded the tools they had used. Since the advent of zooarchaeology, which has placed greater emphasis on studying animal bones from archaeological sites, this view has changed. Many of the animals at these kill sites have been found to have been killed by other predator animals, so it is likely that humans of the period supplemented hunting with scavenging from already dead animals.[46]

Excavations at the

Bnot Ya'akov Bridge site, located along the Dead Sea rift in the southern Hula Valley of northern Israel, have revealed evidence of human habitation in the area from as early as 750,000 years ago.[47] Archaeologists from the Hebrew University of Jerusalem claim that the site provides evidence of "advanced human behavior" half a million years earlier than has previously been estimated. Their report describes an Acheulean layer at the site in which numerous stone tools, animal bones, and plant remains have been found.[48]

Azykh cave located in Azerbaijan is another site where Acheulean tools were found. In 1968, a lower jaw of a new type of hominid was discovered in the fifth layer (so-called Acheulean layer) of the cave. Specialists named this type "Azykhantropus".[49][50][51]

Only limited artefactual evidence survives of the users of Acheulean tools other than the stone tools themselves. Cave sites were exploited for habitation, but the

Palaeolithic also possibly built shelters such as those identified in connection with Acheulean tools at Grotte du Lazaret[52] and Terra Amata near Nice in France. The presence of the shelters is inferred from large rocks at the sites, which may have been used to weigh down the bottoms of tent-like structures or serve as foundations for huts or windbreaks. These stones may have been naturally deposited. In any case, a flimsy wood or animal skin structure would leave few archaeological traces after so much time. Fire was seemingly being exploited by Homo ergaster, and would have been a necessity in colonising colder Eurasia from Africa. Conclusive evidence of mastery over it this early is, however, difficult to find.[citation needed
]

See also

References

Citations

  1. ^ Musée de Préhistoire Terra Amata. "Le site acheuléen de Terra Amata" [The Acheulean site of Terra Amata]. Musée de Préhistoire Terra Amata (in French). Retrieved 10 June 2022.
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  3. ^ Oxford English Dictionary 2nd Ed. (1989)
  4. ^ Frere, John. "Account of Flint Weapons Discovered at Hoxne in Suffolk.". Archaeologia 13 (1800): 204–205 [reprinted in Grayson (1983), 55–56, and Heizer (1962), 70–71].
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  14. ^ "Neanderthal and early modern human stone tool culture co-existed for over 100,000 years". phys.org. Retrieved 18 April 2021.
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  16. ^ Barton, RNE, Stone Age Britain English Heritage/BT Batsford:London 1997 qtd in Butler, 2005. See also Wymer, JJ, The Lower Palaeolithic Occupation of Britain, Wessex Archaeology and English Heritage, 1999.
  17. ^ Ashton, NM, McNabb, J, and Parfitt, S, Choppers and the Clactonian, a reinvestigation, Proceedings of the Prehistoric Society 58, pp21–28, qtd in Butler, 2005
  18. ^ Wymer, JJ, 1968, Lower Palaeolithic Archaeology in Britain: as represented by the Thames Valley, qtd in Adkins, L and R, 1998
  19. ^ Collins, D, 1978, Early Man in West Middlesex, qtd in Adkins, L and R, 1998
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  23. ^ Gamble, C and Steele, J, 1999, Hominid ranging patterns and dietary strategies in Ullrich, H (ed.), Hominid evolution: lifestyles and survival strategies, pp 396–409, Gelsenkirchen: Edition Archaea.
  24. ^ Unattributed citation in Renfrew and Bahn, 1991, p277
  25. S2CID 144098416. See also Calvin, W
    , 1993, The unitary hypothesis: a common neural circuitry for novel manipulations, language, plan-ahead and throwing, in K.R. Gibson & T. Ingold (ed.), Tools, language and cognition in human evolution: 230–50. Cambridge: Cambridge University Press.
  26. ^ Gamble, C, 1997, Handaxes and palaeolithic individuals, in N. Ashton, F. Healey & P.Pettitt (ed.), Stone Age archaeology: 105–9. Oxford: Oxbow Books. Monograph 102.
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  29. ^ Nowell, April; Chang, Melanie (2009). "The Case Against Sexual Selection as an Explanation of Handaxe Morphology" (PDF). PaleoAnthropology: 77–88. Retrieved 20 May 2023.
  30. ^ "The Acheulean Handaxe".
  31. ^ Welsh, Jennifer (1 March 2012). "Tools May Have Been First Money". LiveScience.
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  34. ^ Prasad, R. (24 March 2011). "Acheulian stone tools discovered near Chennai". The Hindu.
  35. ^ Hyeong Woo Lee, The Palaeolithic industries of Korea: chronology and related new findspots in Milliken, S and Cook, J (eds), 2001
  36. ^ Gamble, C and Marshall, G, The shape of handaxes, the structure of the Acheulian world, in Milliken, S and Cook, J (eds), 2001
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  40. ^ Dibble, HL, 1989, The implications of stone tool types for the presenceof language during the Lower and Middle Palaeolithic, in The Human Revolution (P Mellars and C Stringer eds) Edinburgh University Press, qtd in Renfrew and Bahn, 1991.
  41. ^ Goren-Inbar, N and Peltz, S, 1995, Additional remarks on the Berekhat Ram figure, Rock Art Research 12, 131–132, qtd in Scarre, 2005
  42. ^ Mania, D and Mania, U, 1988, Deliberate engravings on bone artefacts of Homo Erectus, Rock Art Research 5, 919–7, qtd in Scarre, 2005
  43. PMID 11795975
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  45. ^ Scarre, 2005, chapter 3, p118 "However, objects whose artistic meaning is unequivocal become commonplace only after 50,000 years ago, when they are associated with the origins and spread of fully modern humans from Africa".
  46. ^ ...the most conservative conclusion today is that Acheulean people and their contemporaries definitely hunted big animals, though their success rate is not clear ibid, p 120.
  47. Hebrew University
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  48. ^ Siegel-Itzkovich, Judy (December 22, 2009). "HU: Evidence of advanced human life half a million years earlier than previously thought". The Jerusalem Post.
  49. ISBN 9781317892229.[page needed
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  50. ISBN 9780080868530.[page needed
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  51. ISBN 9780470751961.[page needed
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  52. ^ De Lumley, 1975, Cultural evolution in France in its palaeoecological setting during the middle Pleistocene, in After the Australopithecines, Butzer, KW and Issac, G Ll. (eds) 745–808. The Hague:Mouton, qtd in Scarre, 2005

Sources

  • Adkins, L; and R (1998). The Handbook of British Archaeology. London: Constable.
    ISBN 978-0-09-478330-0
    .

External links

Look up Acheulean in Wiktionary, the free dictionary.
  • Media related to Acheulean at Wikimedia Commons
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