在最早的中石器时代,长途石运输和颜料的使用
Alison S Brooks1,2, John E Yellen2,3, Richard Potts4,5
1Center for the Advanced Study of Human Paleobiology, Department of Anthropology, George Washington University, Washington, DC 20052, USA. abrooks@gwu.edu pottsr@si.edu.
概括
早期人类起源 (智人) 显示了复杂的行为,如工具制造和颜料使用,可以追溯到肯尼亚的30万多年前. 这项研究揭示了中石器时代重要的认知和社会进化.
科学领域:
- 古人类学
- 考古学
- 人类的进化
背景情况:
- 人类的复杂行为表明其起源很古老.
- 关于早期人类行为进化的数据有限.
- 中纪 (<20万年前) 是人类起源的一个关键时期.
研究的目的:
- 研究人类早期的行为起源.
- 记录中石器时代的技术和社会变化.
- 提供关于人类认知进化的数据.
主要方法:
- 肯尼亚奥尔盖赛利河流域中石器时代遗址的挖掘.
- 使用-40/-39和系列方法测定遗址年龄 (295,000320,000年前).
- 石器的分析,颜料的使用和动物遗骸.
主要成果:
- 人类创造了准备好的核心和点.
- 使用富含铁的岩石生产红色颜料.
- 采购远距离的石头工具材料 (2550公里).
- 有证据表明有广泛的资源战略, 包括多样化的猎物.
结论:
- 这些发现表明景观使用和社会互动发生了重大变化.
- 这些实践表明人类社会和认知进化的进步.
- 这些数据为了解人类行为起源提供了关键的文档.
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