The discovery of Mesozoic overthrust nappe tectonics and an analysis of its control of mineralization in Shapoquan area, Ejin Banner, Inner Mongolia

ZHANG Shanming; HE Zhongyin; HU Erhong; WANG Ya'nan; WANG Bo; CHEN Qiang

doi:10.12097/gbc.dztb-37-2-3-435

Geological Bulletin of China > 2018 > 37(2-3): 435-445. > DOI: 10.12097/gbc.dztb-37-2-3-435

ZHANG Shanming, HE Zhongyin, HU Erhong, WANG Ya'nan, WANG Bo, CHEN Qiang. 2018: The discovery of Mesozoic overthrust nappe tectonics and an analysis of its control of mineralization in Shapoquan area, Ejin Banner, Inner Mongolia. Geological Bulletin of China, 37(2-3): 435-445. DOI: 10.12097/gbc.dztb-37-2-3-435

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The discovery of Mesozoic overthrust nappe tectonics and an analysis of its control of mineralization in Shapoquan area, Ejin Banner, Inner Mongolia

1.
School of Earth Science and Resources, China University of Geosciences, Beijing 100083, China
2.
The Eighth Branch of Inner Mongolia Bureau of Geology and Mineral Resources Exploration and Development, Wuhai 016000, Inner Mongolia, China
3.
Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, Hubei, China

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Received Date: February 17, 2017
Revised Date: August 09, 2017
Available Online: August 15, 2023

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Abstract

Abstract

The Mesozoic overthrust nappe structures were found by more and more geologists, and the correlated mineralization in Beishan area has become a key problem; nevertheless, the related study and knowledge are very insufficient. This situation has hindered the progress in mineral survey and exploration. Lower Cretaceous strata, overthrust faults, klippen and tectonic windows can be recognized. The sequences of stratigraphic units suggest that the overthrust nappe structures were formed between the Early Jurassic and the Early Cretaceous, the overthrust nappe tectonics and the lower order structures derived from this overthrust nappe tectonics controlled the formation and distribution of orebodies, in which the NE-trending network faults-fractures system was the main ore fluid channels and hosted orebodies. Based on a study of the overthrust nappe tectonics, the authors hold that there is a great potential for prospecting in the Shapoquan ore district, and that more attention should be paid to the overthrust nappe tectonics and correlated mineralization in middle and south metallogenic belt in Beishan area.
- overthrust nappe tectonics,
- klippe,
- Mesozoic,
- structural ore-control,
- Shapoquan

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The discovery of Mesozoic overthrust nappe tectonics and an analysis of its control of mineralization in Shapoquan area, Ejin Banner, Inner Mongolia

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