来自北美大盆地的复杂易腐的技术揭示了专门的晚期石纪适应
Richard L Rosencrance1, Geoffrey M Smith1, Katelyn N McDonough2,3
1Department of Anthropology, University of Nevada, Reno, Reno, NV 89557, USA.
Science advances
|February 4, 2026
概括
这项研究揭示了复杂的晚普莱斯托时代技术,包括最古老的制皮肤和精细的骨头针,使用来自俄勒冈州洞穴的易腐 artefacts. 这些发现增强了我们对早期人类创新和适应的理解.
科学领域:
- 考古学的考古学
- 古生物学的古生物学
- 人类学是人类学.
背景情况:
- 晚期普莱斯托时代的社会发展了复杂的技术,但由于易腐烂的材料,证据很少.
- 有限的考古记录阻碍了对这个关键的人类历史时期的细微模型.
研究的目的:
- 为了分析来自俄勒冈州Cougar Mountain洞穴和Paisley洞穴的大型易损坏的文物组件.
- 提供关于晚期普世技术的新数据,包括最古老的制皮肤和细骨针.
主要方法:
- 放射性碳测年法测定了15种植物和动物分类中的55个物品.
- 通过质谱仪 (ZooMS) 和分类学识别进行动物园考古学.
- 来自四个地区地点的眼骨针的分析.
主要成果:
- 在各种易腐 artefacts 的66放射性碳日期.
- 发现已知最古老的制皮肤遗骸.
- 鉴定出极为精细的眼睛骨针,是普世时期最精美的骨针之一.
结论:
- 易损坏的文物提供了对晚期普莱斯托时代技术复杂性的关键见解.
- 这些发现揭示了人类进化中文化,气候和技术之间的相互作用.
- 这项研究扩大了我们对早期人类创新和适应策略的理解.
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