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11.
Romana Unger-Hamilton 《Journal of archaeological science》1984,11(1):91-98
Use-wear polish on flint has previously been attributed to deposition or attrition. Scanning electron microscope observations indicate that some “deposits” are components of the original flint, while other “deposits” result from contact with different materials. The polish seems to be the result of both attrition and a thin layer of amorphous silica. 相似文献