1. This paper summarize the occurrence conditions of obsidian and its physics and chemistry properties, purpose, distribution, as well as archaeological meanings and projects concerned.
本文介绍了黑曜岩的产生条件、物化性质、用途及产地分布，并总结了相关的考古学意义及考古学研究课题。
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2. This paper summarize the occurrence conditions of obsidian and its physics and chemistry properties, purpose, distribution, as well as archaeological meanings and projects concerned.
