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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (6): 12-17.doi: 10.11872/j.issn.1005-2518.2014.06.012

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Analysis on Paleohydrogeological Conditions of Mineralization in Yangshan Gold Mine,Gansu Province

LI Shiqiao1,GUO Junhua2,YU Jinyuan1,SHEN Ruiwen1,SUN Bin2   

  1. 1.No.12 Gold Geological Party of CAPF,Chengdu   610036,Sichuan,China;
    2.No.3 Gold General Party of CAPF,Chengdu   610036,Sichuan,China
  • Received:2014-06-25 Revised:2014-08-15 Online:2014-12-28 Published:2015-01-14

Abstract:

This paper analyzed the effects of regional tectonic evolution and the paleohydrogeological conditions on mineralization and the paleohydrologygeochemistry characteristics of the deposits based on the paleohydrogeological conditions.It set forth ore-controlling factors of the deposits and the reasons for the formation of ore belts center step by step.There has been a further understanding of the genetic of the deposits. During the Devonian period,a set of carbonaceous,siliceous and argillaceous hot-water sedimentations was formed in this area.In the course of regional shallow metamorphism during Indo-Chinese epoch,the gold from the ore-forming fluid was enriched preliminarily in the different stages with the participation of underground water, and the related metallogenic hydrotherm and ore-forming materials migrated along the Anchanghe-Guanyinba fault,then gathered in the favorable structural positions and resulted in superposition Yangshan gold deposits.

Key words: paleohydrogeological conditions, structural evolution, ore-controlling factors, hydatogenesis, Yangshan gold mine

CLC Number: 

  • P618.51

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