KNM-2501-1
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Nyanza - Lithics

Lanceolate

Short Name: GqJc1.524_1

Period: Middle Pleistocene

Culture/Industry: Middle Stone Age

Localization: Nyanza Province

Collection Date: 1982

Collector: Sally McBrearty

Provenance: Surface Collection

Material Culture: Lithic

Site Name: Muguruk

Catalogue: # KNM-2501-1

280 to 40 thousand years ago

Material Culture

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Description Summary

The Lower Paleolithic Acheulian Industry was succeeded by an industry, the Sangoan, which has been stratified over Acheulian and Middle Stone Age assemblages which fit comfortably with the two. It is characterised by smaller flaked tools, that include lanceolate

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.