TECTONIC DEVELOPMENT AND ORE-CONTROLING CHARACTERISTICS OF XIAOQINLING GOLD FIELD

ZHANG Kai; REN Hong-wei; GUO Gang; TENG Fei; WANG Chen

2015 Vol. 21, No. 3

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Article navigation > Journal of Geomechanics > 2015 > 21(3): 415-425

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ZHANG Kai, REN Hong-wei, GUO Gang, TENG Fei, WANG Chen. TECTONIC DEVELOPMENT AND ORE-CONTROLING CHARACTERISTICS OF XIAOQINLING GOLD FIELD[J]. Journal of Geomechanics, 2015, 21(3): 415-425.

Citation:

ZHANG Kai, REN Hong-wei, GUO Gang, TENG Fei, WANG Chen. TECTONIC DEVELOPMENT AND ORE-CONTROLING CHARACTERISTICS OF XIAOQINLING GOLD FIELD[J]. Journal of Geomechanics, 2015, 21(3): 415-425.

TECTONIC DEVELOPMENT AND ORE-CONTROLING CHARACTERISTICS OF XIAOQINLING GOLD FIELD

1.
Xi'an Institute of Geological and Mineral Exploration, Shanxi Bureau of Geology and Mineral Resources, Xi'an 710100, China
2.
Tongguan Tongjin Gold Ming Co. Ltd., Tongguan 714300, Shannxi, China

Received Date: 05 February 2015

Publish Date: 25 September 2015

Abstract

Abstract

Through analyzing the collected geological data of xiaoqinling gold field, the different levels of exploration engineering on typical ore deposits were studied systematically and the ore-controlling tectonic characteristics of the mine field were discussed. The research shows that under the control of the folds, most auriferous quartz veins are located at the axes or corners of Yangzhaiyu-Dayueping-Jinluoban compound antiform. The development of ore-controlling faults inside the mine field can be divided into three stages: pre-minerogenic faults (the early ductile shear zone), early minerogenic faults (the middle brittle-ductile or ductile-brittle shear zone) and main metallogenic faults (the late brittle fault zone). Accordingly the main ore-controlling faults can be roughly divided into four groups: nearly EW, NE, NW and NS. The sizes of the ore bodies and ore deposits are directly determined by the structural belts and the scale of one single fault in the area, and because of the difference in the tectonic activity stages, tectonic deformation types and strength, the veins are in different occurrence state and the mineralization imbalance phenomenon is widespread. These research results can provide reference for carrying out metallogenetic prediction in large scale in this area.
- Xiaoqinling /
- gold deposits /
- ore field structure /
- ore-controlling characteristics

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References

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