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May 16, 2026npj Heritage ScienceOpen Access

Lithic raw material economy in the Hailang River Basin, Northeast China during Marine Isotope Stage 2

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Authors

SLSiqi LuJYJian-Ping YueYLYou-Qian Li

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Overview

Integrated analysis reveals adaptive strategies in lithic raw material economies among prehistoric humans in Northeast China.

Key Points

  • This study aims to analyze lithic raw material economies and adaptive strategies of prehistoric humans during Marine Isotope Stage 2.
  • Integrated analysis at three sites: Dalongtoushan, Xiaolongtoushan, Yanglin Xishan
  • Utilized petrographic identification, provenance tracing, and techno-typological characterization
  • Assessed interactions between raw material exploitation and environmental contexts.
  • Identified a ternary exploitation strategy balancing local basalt, non-local obsidian, and local tuff and rhyolite.
  • Revealed multi-level interactions between lithic technology and environmental context across the Changbai Mountains.
  • Provided empirical insights into hunter-gatherer adaptive flexibility during MIS 2.

Cite This Study

Lu et al. (2026) studied this question.

synapsesocial.com/papers/6a0808ffa487c87a6a40b144https://doi.org/10.1038/s40494-026-02620-6
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