| Citation: | Shiguo WU, Xianglong NI, Junhua GUO. Balanced Cross Section for Restoration of Tectonic Evolution in the Southwest Okinawa Trough. Journal of Earth Science, 2007, 18(1): 1-10.
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On the basis of the multi-channel seismic data and the other data, using 2DMove software, the tectonic evolution in three seismic profiles was restored since Pliocene. The tectonic restoration results show that: (1) the initial active center lay in the west slope and then was transferred to east and south via trough center during the evolution process; (2) several main normal faults controlled the evolution of the southern Okinawa Trough; (3) since Late Pliocene, the southern Okinawa Trough has experienced two spreading stages. The early is depression in Early-Middle Pleistocene and the late is back-arc spreading in Late Pleistocene and Holocene, which is in primary oceanic crust spreading stage.
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