Departmental Bulletin Paper 鋸歯尖頭器・石鋸の系譜と展開
The genealogy and development of saw-formed edge point and blade

久我谷, 渓太

30pp.1 - 32 , 2016-03-29 , 東京大学大学院人文社会系研究科・文学部考古学研究室
Saw-formed edge point and blade are stone implement that it was probably used as a harpoon by combining both. These are recognized in Jomon culture in Kyushu and Korean Peninsula neolith culture characteristically. In the past study, the genealogy of saw-formed edge point and blade in Kyushu has been thought in Korean Peninsula. And this view was considered to be one of evidence that there was "fishing culture" to be common in both areas at that time. In this paper, sort out these four types (and the others), arranged time and distribution of each type. Of four types, "Tokuzotani type" point tend to be excavated with a large quantity of saw-formed edge flint arrowhead. About half of these arrowheads ware damaged barb, it is thought that the reason is these were used as harpoon. When I suppose that saw-formed edge point and blade is saw-formed edge arrowhead which upsized, it is thought that saw-formed edge blade corresponds to barb of saw-formed edge arrowhead. For these reason, it is assumed that saw-formed edge blade was developed for the purpose of improve efficiency of parts replacement by separating barb damaged easily from head part. It is thought that other three types diverged from "Tokuzotani type". Saw-formed edge blade which is accepted in Korean Peninsula is "Shitadani type" and "Monzen type". The existence of "Tokuzotani type" is not recognizable. The number of individual and the remains which there were excavated is overwhelmingly less than in Kyushu. There were brought fragmentarily from Kyushu, did not take root in Korean Peninsula. This result of analysis brings doubt in a frame of "fishing culture".

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