2015 Fiscal Year Final Research Report
Study about movement of the Palaeolithic human by the stone judgment of a stone axe
| Project/Area Number |
26887039
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Geology
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| Research Institution | Meiji University |
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Principal Investigator |
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| Research Collaborator |
SUDO Takashi
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| Project Period (FY) |
2014-08-29 – 2016-03-31
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| Keywords | 地質学 / 考古学 / 岩石学 / 旧石器時代 / 石斧 / 石器石材 / 透閃石岩 / 蛇紋岩 |
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| Outline of Final Research Achievements |
The early Upper Palaeolithic in Japan is characterized by the presence of stone axes, which are dated to ca. 38,000-29,000 cal yr BP. Palaeolithic stone axe are actually made of the tremolite rock (the nephrite), which consists of tremolite and actinolite, and is denser, tougher. They also became able to presume a place of origin and a collection place by judging a stone of a stone axe by stereo microscope.
Axes of the tremolite rock are distributed over 500 km, from Akita to Ishikawa prefecture. Howeve, these stone axes have not been found along the Pacific Ocean coastal areas. These areas were made of green tuffs, greenstones, and greenschists, and some others. I can think movement territory in 2 areas of Pacific Ocean and Sea of Japan existed already then.
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| Free Research Field |
地質学
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