Hand axe - Wikipedia Hand axe - Wikipedia

Dating flint hand axes. Stone tool - wikipedia

They compared the magnetic intervals with other stratigraphic records to date the archeological site to 1.

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Hand axe technology is almost unknown in Australian prehistory. However a thrown hand axe would not usually cause serious injuries.

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Notice multiple hammer marks. The links examined in this type of study start with the extraction methods of the raw material, then include the actual manufacture of the item, its use, maintenance throughout its working life, and finally its disposal. A typical Oldowan simple chopping-tool.

From the oldest to the youngest tools

The site was enormous. A replica of Turkana Boy - a Homo erectus teenager who lived about 1.

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Given the right circumstances, it is possible to make use of loose flakes. In fact, it has been shown that in some cases the retouching was carried out to sharpen an edge that had been blunted by use or a point that had deteriorated.

Four classes of hand axe are: It is therefore not useful as an indicator of chronology in order for it to be considered as a marker it has to be accompanied by other complementary and independent archaeological data.

If multiple implements were used, it is essential to discover in what order they were used and the result obtained by each one. Developed Oldowan was assigned to habilis and Acheulean to erectus.

Clark's scheme was adopted enthusiastically by the archaeological community.

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Archaeologists made the discovery of the tools near Kenya's Lake Turkana, where Homo erectus roamed the Earth and remains of which have been excavated Researcher Dr Dennis Kent, whose findings are published in Nature, said: The site is so large, they send up cameras attached to helium balloons to get a better sense of its scale.

While form remains rough and uncertain, an effort has been made to reduce the thickness of the flake or core 3: