Chopper core
Encyclopedia
In archaeology
Archaeology
Archaeology, or archeology , is the study of human society, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which includes artifacts, architecture, biofacts and cultural landscapes...

 a chopper core is a suggested type of stone tool
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 Age cultures that have become extinct...

 created by using a lithic core
Lithic core
In archaeology, a lithic core is a distinctive artifact that results from the practice of lithic reduction. In this sense, a core is the scarred nucleus resulting from the detachment of one or more flakes from a lump of source material or tool stone, usually by using a hard hammer percussor such...

 as a chopper
Olduwan
The Oldowan, often spelled Olduwan or Oldawan, is the archaeological term used to refer to the stone tool industry that was used by Hominines during the Lower Paleolithic period...

 following the removal of flakes
Lithic flake
In archaeology, a lithic flake is a "portion of rock removed from an objective piece by percussion or pressure," and may also be referred to as a chip or spall, or collectively as debitage. The objective piece, or the rock being reduced by the removal of flakes, is known as a core. Once the proper...

 from that core. They may be a very crude form of early handaxe although they are not bifacially
Biface
In archaeology, a biface is a two-sided stone tool and is used as a multi purposes knife, manufactured through a process of lithic reduction, that displays flake scars on both sides. A profile view of the final product tends to exhibit a lenticular shape...

-worked and there is debate as to whether chopper cores were ever used as tools or simply discarded after the desired flakes were removed.

They are found in the early Mode 1 tool industries of the Oldowan and Clactonian
Clactonian
The Clactonian is the name given by archaeologists to an industry of European flint tool manufacture that dates to the early part of the interglacial period known as the Hoxnian, the Mindel-Riss or the Holstein stages . Clactonian tools were made by Homo erectus rather than modern humans...

 industries
Archaeological industry
An archaeological industry, normally just "industry", is the name given in the study of prehistory to a consistent range of assemblages connected with a single product, such as the Langdale axe industry...

 during the Lower Palaeolithic.
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