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A continuous record of early human stone tool production
Alastair Key1, Eleanor M Williams1
1Department of Archaeology, University of Cambridge, UK.
Cambridge Prisms. Extinction
|January 16, 2026
Summary
Early humans continuously produced stone tools throughout the Plio-Pleistocene era. Analysis of Oldowan sites shows no significant gaps, suggesting consistent cultural transmission of tool-making knowledge.
Area of Science:
- Paleoanthropology
- Archaeology
- Human Evolution
Background:
- Understanding early human cultural dynamics is crucial for interpreting Plio-Pleistocene behaviors.
- A key question is whether early hominin material culture, specifically stone tools, represents a continuous lineage or if knowledge was lost.
Purpose of the Study:
- To objectively analyze temporal data from African Oldowan archaeological sites.
- To determine if significant temporal breaks exist that could indicate a loss of stone-tool-making knowledge.
Main Methods:
- Compilation of a comprehensive database of dated African Oldowan archaeological sites.
- Objective analysis of temporal data to identify significant gaps in the archaeological record.
Main Results:
- No temporal breaks were found to be large enough, on a relative basis, to suggest a loss of stone-tool-making cultural information.
- Evidence supports a continuous record of early human stone tool production in Africa from approximately 3.3 to 1.5 million years ago.
Conclusions:
- The findings infer a continuous cultural transmission of stone tool production throughout the Oldowan period.
- Behavioral adaptations and evolutionary pressures related to stone tool use were likely consistently present during this timeframe.
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