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八十垱遗址下层遗存是澧阳平原直接叠压在彭头山文化层下的重要考古发现。本文对出土的石制品重新进行了较为详细的技术类型学分析,认为其总体可归属于华北地区的“石核—石片—刮削器”技术传统,在石制品尺寸和原料开发利用策略上存在早晚的时序性变化。结合近年澧阳平原及周邻地区的旧石器考古工作,八十垱遗址下层遗存的年代应更接近于旧石器时代晚期。石制品类型和分布特征等表明该遗址的性质为古人类进行食物屠宰和分割的临时性活动营地或偶然途经的地点,反映了LGM环境背景下后勤移动模式的适应策略。
The remains of the lower reaches of the Baishuang Site are important archeological discoveries directly superimposed on the Pengtoushan Cultural Layer by the Mianyang Plain. This article re-unearthed the stone products to a more detailed technical typology analysis, that its overall can be attributed to North China’s “stone - stone - scraper ” technology tradition, the size of stone products and raw materials development and utilization strategy There is a change in the timing of the morning and evening. In combination with palaeolithic archeology in recent years in the Mianyang Plain and the surrounding area, the age of the lower reaches of the Baishao Site should be closer to the Late Paleolithic. The type and distribution of stone products, etc. indicate that the nature of the site is a temporary activity camp or accidental site where ancient humans slaughtered and segmented food, reflecting the adaptation strategy of logistic mobility model in LGM environment.