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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (5): 48-55.doi: 10.11872/j.issn.1005-2518.2016.05.048

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Study on the Structural Feature and Genetic Response of Xinshan Gold Deposit in Boka Area，Yunnan Province

LI Kailin 1，2，ZHANG Shugen 1，2，LIU Chunbo 1，2，HUANG Chaowen 1，2，MO Jinglong 1，2   

  1. 1.Key Laboratory of Metallogenic Prediction of Nonferrous Metals，Ministry of Education，Central South University，Changsha   410083，Hunan，China；
    2.School of Geoscience and Info-Physics，Central South University，Changsha   410083，Hunan，China
  • Received:2016-06-28 Revised:2016-07-19 Online:2016-10-28 Published:2016-12-27

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Abstract:

The genetic of Boka gold deposit in Dongchuan area of Yunnan Province has always been contro- versial，the genesis of the deposit is the premise to realizing the prospecting，and because the genesis of Xinshan gold deposit is fuzzy，the progress of actual prospecting work in the area is unsatisfactory.To census and analyse the structure of this area by using statistical method，combined with the tectonic evolution of this area and the typical structural characteristics to divided stage，the analysis of geological structures in this area and the return of structural stress field during and post mineralization shows that the tectonic field stress and the nature of geotectonics in this area experienced great changes during that time.The mineralization occurred from Indochina to early Yanshan Period.The Riedel Shear zones derived from the main fault provided good road for gold-bearing thermal flow and space for the distribution of gold deposits that benefited from the movements and the progressive formation during that time.Himalayan movement only made the gold orebody in this area experienced dynamic metamorphism.

Key words: structural feature, stress analysis, mineral deposit genesis, Xinshan gold deposit, Yunnan Province

CLC Number: 

  • P618.51

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