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On the geodynamic mechanism of Episodic Uplift of the Tibetan Plateau during the Cenozoic Era

Acta Geologica Sinica(English Edition) 2014年第2期88卷 699-716页

作者： WANG Guocan CAO Kai WANG An SHEN Tianyi ZHANG Kexin WANG Liquan State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences Center for Global Tectonics China University of Geosciences School of Earth Sciences China University of Geosciences Key Laboratory of Biological and Environmental Geology of Ministry of Education China University of Geosciences Chengdu Institute of Geology and Minerals Resources

Multi-stage uplift of the Tibetan Plateau during the Cenozoic implies a complex geodynamic process.In this paper,we review main geodynamic models for the uplift of the plateau,and,in particular,analyze the spatio-temporal framework of the Cenozoic deformation structures,which are closely related to the deep geodynamic mechanism for the plateau uplift.From this perspective,significant change of the deformation regime over the Tibetan Plateau occurred by the middle-late Miocene,while thrust and thrust-folding system under NS compression was succeded by extension or stress-relaxation.Meanwhile,a series of large-scale strike-slip faults commenced or was kinemtically reversed.Based on a systematic synthesis of the structure deformation,magmatism,geomorphological process and geophysical exploration,we propose a periodical model of alternating crustal compression and extension for episodic uplift of the Tibetan Plateau.

关键词： Tibetan Plateau Cenozoic episodic uplift geodynamic mechanism

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Post-Mesozoic Transformation of Tectonic Domain in Southeastern China and Its geodynamic mechanism

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Journal of Earth Science 2000年第3期19卷 94-98页

作者： Wu Ganguo Zhang Da Faculty of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083, China Chen Bailin Institute of Geomechanics, CAGS, Beijing 100081, China Wu Jianshe Institute of Geological Survey of Fujian Pr

Since the Mesozoic and Cenozoic, a transformation from a Tethyan Himalayan tectonic domain into a circum Pacific tectonic domain from Indosinian to Yanshanian is indicated in this paper, resulting in conspicuous changes in geophysics, tectono magmatic distribution, lithofacies and paleo geography, tectonic system in southeastern China. Tectonic analysis shows that the tectonic framework resulted from the compounding, transforming and superimposing of the two tectonic domains. The geodynamic mechanism of the transformation is mainly shown as the transverse and longitudinal heterogeneity of lithosphere, and the exchange between the crust and the mantle.

关键词： transformation of tectonic domain geodynamic mechanism southwestern Fujian Province southeastern China.

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Fault Systems and Their mechanisms of the Formation and Distribution of the Tarim Basin,NW China

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Journal of Earth Science 2014年第1期25卷 169-182页

作者： Liangjie Tang Taizhu Huang Haijun Qiu Guimei Wan Meng Li Yong Yang Daqing Xie Gang Chen State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum Basin & Reservoir Research Center China University of Petroleum Northwest Oilfield Company SINOPEC Oil and Gas Resources Strategic Research Center

This article aims to analyze the main controlling factors of development, distribution and evolution of the fault systems in the Tarim Basin. Based on the seismic profile interpretation, compre- hensive analysis of the drilling and geologic data, six fault systems maybe recognized in the Tarim Basin, they are the foreland fault system of the South Tianshan Mountain, the northern Tarim uplift fault sys- tem, North Tarim depression fault system, central fault system, Southwest Tarim fault system, and Southeast Tarim fault system. It is indicated that the main differences exist at the development, evolu- tion and distribution of the fault systems in the Tarim Basin. The sub-fault systems can be recognized according to the differences of the fault development and distribution in the interior of the fault system. It is characterized that the multi-level differential development and distribution of the fault systems ex- ist in the Tarim Basin. The fault belt developed in the Paleozoic strata mainly distribute at the pa- leo-uplift and paleo-slope in the interior of the Tarim Basin, and the fault belt occurred in the Meso-Cenozoic beds mainly develop at the peripheral foreland depressions. Zonal and segment differ- ential development and distribution of the fault systems also exist in the Tarim Basin. The formation and distribution of the Tarim fault systems is of complex controlling mechanisms. Poly-phase structural movement and tectonic transition controls the multi-phase differential development and distribution of the fault systems in the Tarim Basin. Multi-level differential development and distribution is controlled by multi-level detachment belt and regional unconformities. Zonal and segment differential develop- ment and distribution of the Tarim fault systems maybe controlled by pre-existed basement structural texture. The major direction of the fault systems in the Tarim Basin is controlled by the later stage basin-mountain coupling.

关键词： fault system differential tectonic movement detachment belt geodynamic mechanism Tarim Basin.

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