The earliest long-distance obsidian transport: Evidence from the∼ 200 ka Middle Stone Age Sibilo school road site, Baringo, Kenya

N Blegen - Journal of Human Evolution, 2017 - Elsevier
This study presents the earliest evidence of long-distance obsidian transport at the∼ 200 ka
Sibilo School Road Site (SSRS), an early Middle Stone Age site in the Kapthurin Formation,
Kenya. The later Middle Pleistocene of East Africa (130–400 ka) spans significant and
interrelated behavioral and biological changes in human evolution including the first
appearance of Homo sapiens. Despite the importance of the later Middle Pleistocene, there
are relatively few archaeological sites in well-dated contexts (n< 10) that document hominin …