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Around 23 million years ago, western Japan was a coastal region of the Eurasia continent. The subducting plates, being deeper than the Eurasian plate, pulled parts of Japan which become modern Chūgoku region and Kyushu eastward, opening the Sea of Japan (simultaneously with the Sea of Okhotsk) around 15–20 million years ago, with likely freshwater lake state before the sea has rushed in. [4 ...
This page was last edited on 19 January 2024, at 23:12 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The Geological Survey of Japan (地質調査総合センター, Chishitsu chōsa sōkō sentā) (GSJ) is a research institute and department of the National Institute of Advanced Industrial Science and Technology (AIST), an Independent Administrative Institution under the Ministry of Economy, Trade and Industry (METI).
This list is of the geological belts (帯, tai), the structural geotectonic units, of Japan. [ 1 ] : 178 The Geological Survey of Japan subdivides the Japanese archipelago into twenty-seven belts, [ 2 ] though these are subject to scholarly revision and local variation as to naming.
Heinrich Edmund Naumann was hired by the Meiji government in 1875 as a foreign advisor, with the task of introducing the science of geology to Japan through his teaching at the Kaisei Gakkō, the forerunner to Tokyo Imperial University. Naumann arrived in Japan just one month before his twenty-fifth birthday, receiving a yearly salary of 3600 ...
The Sea of Japan can be divided into sub-basins; the Japan Basin, Yamato Basin and Tsushima Basin. Seafloor spreading in the Sea of Japan was restricted to the Japan Basin and ceased by the middle Miocene. [4] Following the end of seafloor spreading, its eastern margin experienced weak compression between 10 and 3.5 million years ago.
This page was last edited on 8 February 2016, at 17:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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