冲绳海槽的成因——根据重磁剖面资料
THE ORIGIN OF THE OKINAWA TROUGH BASED ON THE DATA OF GRAVITY AND MAGNETIC PROFILE
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摘要: 板块构造学说问世以来,引起了许多海洋地质、地球物理学家的重视,并从各个不同角度,对板块运动机制进行了深入的研究.近年来,许多学者都将注意力转移到板块聚合边界的运动学和动力学研究上,在1979年2月东京召开的西太平洋研讨会[1]及1980年3月召开的西北太平洋地质、地球物理研讨会[2]上,都将对西太平洋沟、弧、盆系列的调查研究列为最重要的课题.Abstract: Based on the data of gravity,magnetic and bathymetric surveys on board R/V Xiangyanghong No.10 rrxade in December 1979,we have analysed the features of gravity and magnetic anomalies of the profile across the Ryukyu Trench.Referring to the geological data we are of the opinion that this profile cuts across the following six tectonic units;(1)Depression belt of the continental shelf of the East China Sea,(2)Outer marginal folded belt of the continental shelf of the East China Sea,(3)Tensile belt of the Okinawa Trough,(4)The Ryukyu Island !arc belt,(5)The Ryukyu Trench belt,and(6)Daito Ridges.
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Intergovernmental Oceanographic Commission Workshop Report No.16.Workshop on the Western Pacific,Tokyo,19-20.February 1979 Westpac Workshop on Marine Geology and Geophysics of the Northwest Pacific,Tokyo,Japan.27-31.March 1980. Leydcn,R.,Ewing,M.and Murauchi,S.,A.A.P.G.57(1973),12,2396-2403. Wageman,John M..Thomas.W.C.Hilde and Emery,K.O.,A.A.P.G.54.(1970),9,1611-1643. 刘元龙、王谦身.地球物理学报.20(1977).1,59-69. Павлов,Ю.А.,Сычев,П.М.,Геология и Геофизка,1975,1,146-152 《地面磁测资料解释推断手册:编写组.地面磁测资料解释推断手册第六章第三节.1979.地质出版社. 懒川雨明,海洋科学.8(1976),3.62-68. Vening Mrinese,F.A.,Tables for Regional and Local Isostatic Reduction(Airy System),1941. Sleep,N,and Toksoz,M.N.,Nature,233(1971),b321,548-550. Moberly,R.and Khan,M.A.,Nature,223(1969) b203,263-267. Mclosh,H.J,and Raefsky,Arthur,Geophysical Journal of the Royal Astronomical Society,60(1980).3.333-354. Walcott,R.I.,I.G.R.,15(1970),20.3941-3954. I.A.雅各布斯,地球学教程,吴佳翼等译,1979,地震出版社. C.B.奥菲塞.理论地球物理学引论,王子昌等译,1980,科学出版社. Watts,A.B.and Talwani,M.,J.G.R.,79(1974),38,67-90 许靖华.海洋学报.1(1979),2,243-251. 海洋科学基础讲座编集委员会,海底物理,第一编海洋底の热流氢.东海大学出版会.1970 Katsumata,M.and Sykes,L.R.,I.G.R.,74 01969).25,5923-5948. 木村政昭.広岛俊男·井上英二,海洋科学,7(1975).1,45-50.
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