Deep Structure of the Lithosphere along the Spassk-Dalniy–Zerkalnaya Bay Geotraverse Based on Multidiscipline Exploration Data

IF 0.9 4区 地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY
Yu. F. Manilov, E. G. Ivolga, V. B. Kaplun
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引用次数: 0

Abstract

The article demonstrates the possibility of joint interpretation of seismic, density, magnetic, and geoelectric models of the deep structure of the lithosphere along the Spassk-Dalniy–Zerkalnaya Bay geotraverse. Seismic and density boundaries form the main structural framework of the integrated model of the lithosphere. Magnetic heterogeneities map the elements associated with magmatism. The electrical model reflects the most recent processes of matter redistribution. The resulting integrated geophysical model demonstrated that for the identified terranes on the surface and most of the faults separating them, the structural style is well expressed only within the upper and middle parts of the crust to a depth of 10–20 km. The lithosphere of the Khanka superterrane retains its structure both in the crust and mantle. Structures of the crust and upper mantle of the Sikhote-Alin orogenic belt are different and associated with each other through highly conductive areas and zones.

Abstract Image

基于多学科勘探数据的斯帕斯克-达尔尼-泽卡尔纳亚湾地质横断面岩石圈深部结构
摘要 文章论证了对斯巴斯克-达尔尼-泽卡尔纳亚湾地质横断面沿线岩石圈深部结构的地震、密度、磁力和地电模型进行联合解释的可能性。地震和密度边界构成了岩石圈综合模型的主要结构框架。磁异质描绘了与岩浆活动有关的元素。电模型反映了物质重新分布的最新过程。由此产生的综合地球物理模型表明,对于地表上已确定的地层和将它们分开的大多数断层,只有在地壳的中上部至 10-20 千米深处才能很好地表达结构样式。汉卡超地壳的岩石圈在地壳和地幔中都保留了自己的结构。锡霍特-阿林造山带的地壳和上地幔的结构各不相同,并通过高导电区和导电带相互关联。
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来源期刊
Russian Journal of Pacific Geology
Russian Journal of Pacific Geology 地学-地球科学综合
CiteScore
1.30
自引率
37.50%
发文量
34
审稿时长
>12 weeks
期刊介绍: Russian Journal of Pacific Geology publishes the results of research on the Earth crust and mantle composition and provides articles on the geological structure and patterns of distribution of mineral deposits in the Pacific Ocean, marginal seas and continental margins. It discusses the topics of stratigraphy, sedimentology, magmatic activity, and seismicity. The journal deals with the problems of lithosphere plates tectonics, and offers the results of neotectonic, geomorphological, geodesic, environmental and mining studies in the Pacific region. The journal accepts theoretical, methodical and philosophical articles covering general issues of geology, geophysics, geochemistry, geoecology and mining. The journal also publishes critical notes and comments, and reviews.
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