STRUCTURAL CONTROL OVER THE ORE IN HENGJIAN-GANGSHANGYING DEPOSITS IN XIANGSHAN ORE FIELD, JIANGXI PROVINCE

ZHANG Hong; CHEN Zheng-le; YANG Nong

Volume 15 Issue 1

Mar. 2009

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ZHANG Hong, CHEN Zheng-le, YANG Nong, 2009. STRUCTURAL CONTROL OVER THE ORE IN HENGJIAN-GANGSHANGYING DEPOSITS IN XIANGSHAN ORE FIELD, JIANGXI PROVINCE. Journal of Geomechanics, 15 (1): 36-49.

Citation:

ZHANG Hong, CHEN Zheng-le, YANG Nong, 2009. STRUCTURAL CONTROL OVER THE ORE IN HENGJIAN-GANGSHANGYING DEPOSITS IN XIANGSHAN ORE FIELD, JIANGXI PROVINCE. Journal of Geomechanics, 15 (1): 36-49.

Citation:

ZHANG Hong, CHEN Zheng-le, YANG Nong, 2009. STRUCTURAL CONTROL OVER THE ORE IN HENGJIAN-GANGSHANGYING DEPOSITS IN XIANGSHAN ORE FIELD, JIANGXI PROVINCE. Journal of Geomechanics, 15 (1): 36-49.

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STRUCTURAL CONTROL OVER THE ORE IN HENGJIAN-GANGSHANGYING DEPOSITS IN XIANGSHAN ORE FIELD, JIANGXI PROVINCE

1.
No. 270 Research Institute, CNNC, Nanchang, Jiangxi 330200, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

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Received: 2008-06-16
Published: 2009-03-01

Abstract

Abstract

The Hengjian-Gangshanying deposits are located in the north of Xiangshan collapse volcanic basin. Regionally the NE and EW striking faults and volcanic faults jointly exert control on the position of subgranitic porphyry and uranium deposits. Locations of subgranitic porphyry are obviously confined by high-angle thrusts, and uranium mineralization is primarily controlled by fissures.The ore-bearing fissures display an arch extension along inner and outer contact zones of the porphyry. Based on spatial distribution and attitude of subgranitic porphyry in the Hengjiang-Gangshangying area, this paper has defined the system of rock-controlled structures. By analyzing the relationship between structural fissures and uranium mineralization, the authors have divided the structure system into pre-ore stage, ore stage and post-ore stage, and believed that the structures experienced 3 epoches with 6 stages.
- subgranitic porphyry,
- rock-controlling structure,
- ore-controlling structure,
- evolution of structures,
- Hengjian-Gangshanying deposits

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References(12)

References

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