Lithic core

Flint lithic core whose core surface has been totally reduced through with the detachment of flakes by intentional impact. This can be seen from the surface of the planes of fracture leaving the negative scars of the flakes that were obtained with the use of percussion. These negatives are easy to identify by the longitudinal zones that appear over the entire surface of the lithic core.

The precussor in some cases could be hard materials like stones, but could also be softer materials like wood, antlers or bones. The latter were, above all, used to do refining work on the edges of flakes and blades.

The surface that has received the impact of the percussor can be clearly identified on this core in question. The negative scars left by the extraction of the flakes when they break off, and the arrises, the lines generated on the various surfaces of the core, are clearly visible.

Flint is an impure and compact variety of chert. It is found in abundance in both Egypt and Sudan in the form of pebbles along the length of the Nile Valley, and as nodules or masses of smaller or greater size in sedimentary rock such as limestone which has been mined at least since the Neolithic period.

In many places in the Sahara, always in locations near lake systems, lithic material of this sort has been found near veins of flint, quartzite and sedimentary rock, places where large Lower Palaeolithic sites are abundant, above all, those of the Acheulean stone tool industry and later epochs. This material has been well preserved thanks to the dryness of the climate and the protection of the layers of sand.

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