Figure 3 | Scientific Reports

Figure 3

From: Mammoth ivory was the most suitable osseous raw material for the production of Late Pleistocene big game projectile points

Figure 3

Left male tusk of Late Pleistocene Mammuthus primigenius from the Sundrun river valley (west of the Alazeja river), 5 km upstream of its mouth to the East Siberian Sea, Kolyma lowlands, NE Republic of Sakha (Yakutia), Russia; collection National Alliance of Shidlovskiy “Ice Age” Moscow, without inventory number. Indications of repeated similar use of the tooth during the lifetime of the individual: (a) Outer curvature in the middle section of the tusk with sharp, partially crossed scratches (dark) of c. 1–2 cm length besides recent damage in the form of elongated scratches (light) and traces of pickaxe (quadrangular). (b) Extended, flat wear facet at the outer curvature of the distal section of the tusk (Photographs I. Kirillova).

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