ARCH 131 Lecture Notes - Lecture 8: Human Evolution, Glacial Period, Homo Ergaster
30 Sep 2016
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The combination and interpretation of human biological evolution and the evolution of technology. 3. 4 mya earliest stone tool cut marks ethiopia - africa. 2. 6 mya oldest actual stone tools ethiopia africa. 20 kya americas oldest sites are between 18-16 kya. 99. 9% of all stone tools ever made still exist. Mode 3 prepared core technology 400 kya. Obsidian has no grain pattern, this makes it sharper than a medical scalpel. Used to cut up meat, cut bone to access marrow. Those that are retouched have small flakes knocked off of them. Mainly they were retouched when the tools got dull. Bifacial = more than one side has been flaked. A nodule of stone used as a source of flakes (which are then used as tools) is called a core". Dmanisi has oldowan technology 1. 8 mya. Not found as often in asia, more often in europe and africa. Ancheulian pick more pointed at the end.
