ORE-CONTROLLING EFFECT OF NAPPE STRUCTURE IN THE EAST ORE ZONE OF THE BAIYANGPING AREA, LANPING BASIN, YUNNAN

HE Long-qing; JI Wei; CHEN Kai-xu; YU Feng-ming; WEI Jun-qi; YANG Ai-ping; YANG Wei-guang

Volume 13 Issue 2

Jun. 2007

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Article Navigation > Journal of Geomechanics > 2007 > 13(2): 110-118

HE Long-qing, JI Wei, CHEN Kai-xu, et al., 2007. ORE-CONTROLLING EFFECT OF NAPPE STRUCTURE IN THE EAST ORE ZONE OF THE BAIYANGPING AREA, LANPING BASIN, YUNNAN. Journal of Geomechanics, 13 (2): 110-118.

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ORE-CONTROLLING EFFECT OF NAPPE STRUCTURE IN THE EAST ORE ZONE OF THE BAIYANGPING AREA, LANPING BASIN, YUNNAN

1.
Yichang Institute of Geology and Mineral Resources, Yichang 443003, Hubei
2.
Geological Museum, Hunan Institute of Land and Resources Planning, Changsha 410007, Hunan
3.
3rd Geological Party of Yunnan, Dali 671000, Yunnan

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Abstract

Abstract

The nappe structure in the east ore zone of the Baiyangping area, Yunnan, is a front of the thrust nappe system of a foreland basin related to the Jinshajiang-Ailaoshan orogenic belt, belonging to the emergent imbricate fan-type front.In the mining area the Huachangshan fault and Shuimofang fault form the pop-up structure of the nappe front.The two faults are not only the main ore-conducting structure but also the main ore-hosting structure.The hot brine that circulated at depths rose along the faults and then filled in their secondary faults or interstratal fractured zones inside the thrust faults and in their hanging walls.In the Huachangshan fault zone, the change of ore-forming element contents has certain relation to different types of structural rock.
- Baiyangping area,
- Yunnan,
- nappe structure,
- pop up structure,
- ore-controlling effect

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