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Cleaver (tool)

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Title: Cleaver (tool)  
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Subject: Outline of prehistoric technology, Chalcolithic, Acheulean, Technology, Out of Africa I
Collection: Archaeological Artefact Types, Lithics
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Cleaver (tool)

Three views of a flint cleaver from Griquatown, Northern Cape Province, South Africa
Three-view diagram

In archaeology, a cleaver is a name given to a type of biface stone tool of the Lower Palaeolithic.

Cleavers are a little like hand axes. They are large and oblong or U-shaped tools meant to be held in the hand, but unlike hand axes, they have a wide, straight cutting edge running at right angles to the axis of the tool.

Acheulean cleavers resemble handaxes but with the pointed end truncated away. Flake cleavers have a cutting edge created by a tranchet flake being struck from the primary surface.

Contents

  • Difference between Cleavers and Hand Axes 1
  • Cleavers in Africa 2
  • Cleavers in Europe 3
  • References 4

Difference between Cleavers and Hand Axes

Cleavers, found in many Acheulean assemblages such as Africa, were similar in size and manner of hand axes. The differences between a hand axe and a cleaver is that a hand axe has a more pointed tip, while a cleaver will have a more transverse “bit” that consists of an untrimmed portion of the edge oriented perpendicular to the long axis of the tool. These were used in lithic technology. This particular type of technology made it unclear if it was used for heavy digging or not. More experiments were shown that the cleaver in Africa was more used as a butchering instrument. They were also helpful in skinning large game, and bone breaking.

Cleavers in Africa

In Africa, cleavers appear from the late Oldowan to the Acheulean. In Peninj on the western shore of Lake Notron, cleavers constitute 16% of all findings.

One type of cleaver made in Africa was formed by the Tavelbala Tachengit technique. This type of technique was used in the North West Sahara desert. It was done by detachment of large flakes for biface manufacture. This is a significant technological advance because the cleavers normally produced were made on large flakes, which was impossible to produce with using the nodular flint of the size available used in the European continent. Once the large flakes were detached, there were only minor modifications to get the desired end product that is now known as the flake-cleaver. There are larger collections of these flakes in the Institute of Human Paleontology in Paris. They include larger hand axes and smaller hand axes ranging from 6–26 cm, and then Large flake cleavers that were commonly found in this area.

Another way to make the tools was known as the “Victoria West” technique, termed by Goodwin in 1934. This was done in Middle Pleistocene of South Africa, and it was the method of producing large flakes that was used to make the cleavers. This production date was between 285 k.A BP to 510 k.a. BP.

Cleavers in Europe

Outside of Africa where cleavers were most abundant, cleavers have appeared in Southwestern Europe. In these regions, they are more abundant than hand axes where raw material occurs in the form of large quartzite cobbles that do not need extensive decortication and shaping prior to the removal of large flakes. Cleavers can also be found made out of different raw materials such as flint or limestone, but these are not nearly as common.

There is a chronological gap as well between the two lithic assemblages of the early core and flake techniques to the later Acheulian. Central France shows that both of these existed. One of the cleavers found in Central France was a 20 cm long cleaver. This particular one was found in the Mazieres/ Cresuse Valley, and looks slightly different than the cleavers that were found in Africa based just solely on the technique used at this time period.

References

http://books.google.com/books?id=lRDYAW4wXOYC&pg=PA54&lpg=PA54&dq=archaeology+cleaver&source=bl&ots=wpyxhxSphh&sig=3-m5EkgDDrqWjwNd7mW6Da1o5Hw&hl=en&sa=X&ei=GimJUs2zEeL92QWa3IHgBQ&ved=0CD0Q6AEwATgK#v=onepage&q=archaeology%20cleaver&f=false

http://www.cogsci.ucsd.edu/~johnson/COGS184/2Wynn02.pdf

http://www.freewebs.com/puentepino/Descargas/PDF/axe_age_santonja_and_vila.pdf

http://www.aggsbach.de/2011/08/biface-cleaver-from-the-mauretanian-sahara/

http://www.aggsbach.de/2011/09/a-flake-cleaver-produced-by-the-tabelbala-tachengit-technique/

http://www.aggsbach.de/2010/09/cleaver-from-tabelbala-tachenghit/

http://www.aggsbach.de/2013/07/cleaver-from-mazieres-creuse/

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