Structural Architecture and Evolution of Kumkuli Basin, North Tibet

Utilizing the new data of gravity, magnetic, and magnetotelluric survey, we analyzed the characteristics of the three geophysical attribute （gravity, magnetic, and resistivity） interfaces and the deep architecture and structure of Kumkuli basin. The research results can provide basic data for early...

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Bibliographic Details
Published in:Journal of China University of Geosciences 2009-04, Vol.20 (2), p.464-476
Main Author: 何碧竹 许志琴 焦存礼 崔军文 王生朗 汪功怀 李朝阳 邱祝礼
Format: Article
Language:English
Subjects:
Biogeosciences
Cenozoic
Crystallization
Earth and Environmental Science
Earth science
Earth Sciences
Evolution
Geochemistry
Geology
Geophysics
Geotechnical Engineering & Applied Earth Sciences
Mesozoic
Ordovician
Plate tectonics
Stratigraphy
大地测量
建筑结构
演化阶段
物理属性
盆地形成
盆地构造
结构分析
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Summary:Utilizing the new data of gravity, magnetic, and magnetotelluric survey, we analyzed the characteristics of the three geophysical attribute （gravity, magnetic, and resistivity） interfaces and the deep architecture and structure of Kumkuli basin. The research results can provide basic data for early basin structural study. From coupled basin and mountain system, analysis of the structure, and evolution of Kumkuli basin, we found that there was zoning from north to south and from west to east. Kumkuli basin has three structural architecture layers including metamorphic crystallization basement, fold basement and sedimentary cover. Kumkuli basin can be divided into three structural units, two depressions, and one uplift. Structural evolution of the Kumkuli basin can be divided into five evolution stages, including Kumkuli microcontinent formed in Sinian-Ordovician, suture around Kumkuli basin formed in Eopaleozoic, retroare foreland basin formed in Neopaleozoic, rejuvenated foreland ba-sin developed in Mesozoic, and strike slip and compression basin developed in Cenozoic.
ISSN:1674-487X
1002-0705
1867-111X
DOI:10.1007/s12583-009-0038-8