马里亚纳海槽的地球物理特征
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摘要: 本文依据国内外资料,概括性地描述和解释了马里亚纳海槽的地震、重力、磁力以及大地电测诸方面的地球物理特征,即群发地震不断发生,重力异常呈正值分布,磁力异常变化幅度小,线性排列不甚清晰,地热流高而多变,海底热液活动在海槽扩张中心仍在进行.文章最后探讨了海槽的形成机制及演化过程,并认为马里亚纳海槽在整体岛弧系极其复杂的构造运动中,正处于多轴性地向斜的发育和演化阶段,实质上是岛弧系上发育的负向构造,并自始至终属岛弧系的一部分.
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Bibee L D,G G Jr Shor and R S Lu,Inter-arc spreading in the Mariana Trough.Marine Geology,1980,35(1):183-197 Lonsdak P and J Hawkins.Silicic volcanism at an off-axis geothermal field in the Mariana Trough Back-arc Basin.Geological Soceity of America Bulletin,1985,96(7):940-951 Sinton J B and D M Hussong.Crustal structure of a short length transform fault in the central Mariana Trough,The Tectonic and Geologic Evolution of Southeast Asia Seas and Islands;Part Ⅱ,American Geophysical Union Monograph,27,236-254 Karig D E.Teiuporal relationship between back arc basin formation and arc volcanism with special reference to the P hilippine Sea.The Tectonic and Geological Evolution of Southeast Asia Seas and Islands:Part Ⅱ,American Geophysical Union Monograph,27,318-325 Hussong D M and J B Sinton,Seismicity associated with back arc crustal spreading in the central Mariana Trough.The Tectonic and Geophysical Evolution of Southeast Asia Seas and Islands:Part Ⅱ,Amercan Geophysical Union Monograph,27,217-234 国家海洋局第一海洋研究听.中太平洋北部锰结核调查综合研究报告,北京:海洋出版社,1986,122-157, Filloux J H,Seafloor magnetic Iluric sounding in tire Mariana Islands area,The Tectonic and Geophysical Evolution of Southeast Asia Seas and Islands:Part Ⅱ,American Geophysical Union Monograph,27,255-265 Hussong D M and S Uyeda.Tectonism in the Mariana arc,Result Studies,Including DSDP Leg 60.Oceanol.Acta,1981,4,203-212 金性春,板块构造学基础,上海科技出版社,1984,78-86 Stoffers P,Wu Shiying and D Puteanus,Cruise Report SOI}INE 57-Mariana Bach-arc,Fore-arc Region and Philippine Basin,Geol-Paleont,Inst,Univ,Kiel,Nr,34,1989,160 林长松.双俯冲带的板块应力场和构造运动——浅论大马里亚纳沟一弧系的形成及其演化,海洋通报,1987,6(4):80-86
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