Submarine geology in the vicinity of Tsushima-Goto Retto region.
The author studied the submarine geology of the Tsushima Goto Retto sea area between the Korea Peninsula and the southwestern part of the Japanese Islands. Although this area occupies geologically very important place between the Asian Continent and the Japanese Island Arc, Submarine stratigraphy, geological structure and history of geological development of this area have largely been left unknown. In paticular, to reveal the submarine geology of this area is important not only for better understanding of the genesis of marginal seas and the tectonic development of semi-isolated back arc basins such as the Tsushima Basin and the Okinawa Trough but also for revealing the geological relationship between the continent and the Island Arc. For this purpose, high density echo-sounding and seismic reflection profiling have been conducted. These data have revealed that the acoustic basement is divided into some blocks by several faults and folding axes, showing rough relieves in some places with topographic highs as knolls, banks and spurs. Some large scale tectonic lines have been recognized, which are represented by the Tsushima Goto Tectonic Line and Goto Submarine Canyon Tectonic Line.
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| Format: | Journal Contribution biblioteca |
| Language: | Japanese |
| Published: |
1992
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| Online Access: | http://hdl.handle.net/1834/16088 |
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