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一、考古学背景对于考古遗址里发现的石器,人们最关心的课题之一就是石料的来源:就地取材还是异地获取。如果是后者,常常蕴含着有关迁徙、交换、贸易、资源开采与利用等方面的信息,具有非常重要的研究价值。石料的种类很多,黑曜岩无疑因其深具判源(产源判断)禀赋而获得考古学家的青睐,究其原因不外乎有以下两点:(1)黑曜岩是优质火山玻璃,质地均匀边锋锐利,常被史前人类用作工具或武器随身携带。(2)不同时期不同地域的火山喷发形成的黑曜岩具有不同的地球化学特征,通常可以由“特征元素组”来指征某一特定源。吉林省和龙大洞遗址位于红旗河汇入图们江的河口地带,沿红旗河右岸和图们江
First, the archaeological background For the stone found in archaeological sites, one of the most concerned issues is the source of stone: access to materials or off-site access. If the latter, they often contain information on migration, exchange, trade, resource exploitation and utilization, and have very important research value. Obsidian is undoubtedly favored by archaeologists for its profound source of judgment (source judgment), for no more than two reasons: (1) Obsidian is a type of volcanic glass , Uniform texture and sharp edges, often used as a prehistoric human or weapons to carry. (2) Obsidian formed by volcanic eruptions from different regions at different periods has different geochemical characteristics, which can usually be indicated by “characteristic element group ”. Jilin Province and Long Dadong ruins located in the Red River into the mouth of the Tumen River estuary along the right bank of the Red River and the Tumen River