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Title: Crustal variation of the western Philippine Sea Plate from TAICRUST OBS/MCS Line 23
Authors: Yi-Shyue Yang;Tan K. Wang
Contributors: 國立臺灣海洋大學:應用地球科學研究所
Keywords: Crustal Variation;OBS;Travel-Time Inversion;Philippine Sea Plate;Luzon Arc;Moho;Depression
Date: 1998
Issue Date: 2018-03-16T08:46:54Z
Publisher: Terrestrial, Atmospheric and Oceanic Sciences
Abstract: Abstract:As a part of the U.S.-R.O.C.collaborative deep seismic imaging experiment,six ocean-bottom seismographs(OBSs)were deployed along the12°12'N parallel west of Hengchun Peninsula and wide-offset seismic signalsfrom a large air-gun array shot over the line were recorded.A preliminaryanalysis of these data together with those from another OBS tothe east of the peninsula reveals that a 11-km thick crustal layer,interpretedto be an extended continental crust of the southern margin of theChinese mainland,lies under most of the line and dips toward the east atlow angle.A complex margin wedge is observed at depth immediate westand underneath the peninsula,which may have resulted from the thicksedimentary layer,quite likely including the basement complex,pushedagainst the strong backstop provided by the Philippine Sea plate convergingfrom the east.
Relation: 9(3) pp.379-393
Appears in Collections:[Institute of Applied Geosciences] Periodical Articles

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