| 中国满洲里──绥芬河地学断面地球物理综合研究 |
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| 引用本文： | 杨宝俊,穆石敏.中国满洲里──绥芬河地学断面地球物理综合研究[J].地球物理学报,1996,39(6):772-782. |
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| 作者姓名： | 杨宝俊 穆石敏 |
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| 作者单位： | 长春地质学院地球物理系, 长春 130026 |
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| 摘 要： | 叙述满洲里－绥芬河地学断面的地球物理成果．断面全长１３００ｋｍ，穿越了中国东北的大兴安岭岩浆岩带和张广才岭岩浆岩带，松辽盆地和海拉尔盆地，以及郯庐断裂北延部分的敦化－密山断裂、佳木斯－伊通断裂．结合地质资料，解释了断面多种地球物理方法的资料，包括重力、磁力、大地电磁（ＭＴ）、地震（广角地震测深、垂直反射地震与天然地震）、地热、古地磁以及综合解释，给出了断面岩石层构造的地球物理解释模型．讨论了松辽盆地基底的性质、莫霍界面的性质、大兴安岭重力梯级带的特征与成因，以及断面域地块拼合过程．研究结果认为，东北亚大地是一个拼合的增生大陆，是世界上一种新型的小地块碰撞拼合时受大洋板块俯冲的应力场作用形成的盆、山相间结构．
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| 关 键 词： | 地学断面 岩石层构造 地块碰撞 板块俯冲 满洲里－绥芬河 |
| 收稿时间： | 1995-10-25 |
SYNTHESIZED STUDY ON THE GEOPHYSICS OFMANZHOULI-SUIFENHE GEOSCIENCE TRANSECT,CHINA |
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| YANG BAO-JUN, MU SHI-MIN, JIN XU, LIU CAI.SYNTHESIZED STUDY ON THE GEOPHYSICS OFMANZHOULI-SUIFENHE GEOSCIENCE TRANSECT,CHINA[J].Chinese Journal of Geophysics,1996,39(6):772-782. |
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| Authors: | YANG BAO-JUN MU SHI-MIN JIN XU LIU CAI |
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| Affiliation: | Changchun University of Earth Sciences, Changchu 130026, China |
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| Abstract: | This paper generalized the geophysical achievement of Manzhouli-Suifenhe geoscience transect.The transect is 1300 kilometers long,going through the magmatic belts of Daxinganling and Zhangguangcailing in north-east of China,the basins of songliao and Hailer,and the faults of Dunhua-Mishn and Jiamus-Yitong belonging to the north part of Danlu Fault.By linked with geologlcal data,we interpreted the multimethod geophysical data along the transect,which include the gravity,magnetism,MT,seismic(wide-angle seismic sounding, vertical reflection seismic and the natural earthquake),geotherm,archaeomagnetism and sythesized interpretation,and gived geophyslcal interpretation model of lithosphere structure of the transect.The paper also dissussed the features of basement in the basin of Songliao and Moho interface,the character of the gravity gradient belts in Daxinganling,and the process of the landblock's matching in transect region.From that This paper can conclude that the land of north-east Asia is a matched accretion continent having a new kind of structure of basin and mountain in the world,which was formed by the way that the small land block was collided to match,simultaneously affected by the stress field of oceanic plate subduction. |
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| Keywords: | Geosclence transect Lithosphere structure Block collision Plate subduction Manzhouli-Suifenhe |
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