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2006年6月发现,该地点位于和龙市龙城镇西沟村西南,距西沟村约800米的Ⅳ级侵蚀阶地上。在地表采集石器102件,包括石核、石片、石叶、断片、断块、废片、1类工具、2类工具和3类工具。原料以黑曜岩为主,占69.61%,其次是石英、石英岩、凝灰岩、板岩等。属于以小石器为主体的工业向以细石器为主体的工业过渡的类型。推测该地点年代为旧石器时代晚期。
It was found in June 2006 that the site is located in the southwest of Xigou Village, Longcheng Town, Helong City, and on the Grade Ⅳ eroded terrace about 800 meters away from Xigou Village. A total of 102 stone tools were collected from the surface, including stone, stone, stone, broken pieces, broken pieces, scrap pieces, category 1 tools, category 2 tools and category 3 tools. Obsidian-based raw materials, accounting for 69.61%, followed by quartz, quartzite, tuff, slate and so on. Belongs to a small stone-based industries to fine stone-based industrial transition type. Presumably the site was dated to the Paleolithic.