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Short Name: GnJh15.1

Period: Middle Pleistocene

Culture/Industry: Middle Stone Age

Localization: Baringo District

Collection Date: 1982

Collector: Van Noten

Provenance: Excavation

Material Culture: Lithic

Site Name: Kapthurin

Catalogue: # KNM-3346-1

280 to 40 thousand years ago

Material Culture

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Description Summary

Though no biface or any other bificially worked tool was found on this site, at first it was not possible to equate this site with any industry. However, presence of polyhedrons, choppers, core scrapers and "unofficial discoid" all of e basaltic raw materials suggest an Oldowan Industry. Later discovery of tooth mandible in the neighboring archaeological sites might eventually belong to Homo habili. Finally the discovery of numerous occurences of a red mineral material in the artefact bearing horizon suggests possible use of fire at the site.

Middle Pleistocene

Climate swings became more extreme during this period, and there was also more significant adaptive radiation of animal life. Our lineage also became more diverse with more than 10 known hominin species known across the world from this time. Brain sizes in hominins began to get larger. At the same time, human technologies became more diverse and took more planning and skill to make. This ability to plan along with improved locomotion enabled hominins to leave Africa for the first time.