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Storage and Moving of Ore-forming Fluid of Dingjiashan-Gulushan Gold Deposit(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2006年第01期
Page:
24-27
Research Field:
Publishing date:

Info

Title:
Storage and Moving of Ore-forming Fluid of Dingjiashan-Gulushan Gold Deposit
Author(s):
LIU Xin-hui1; LIU Shuang 1; LI Yuan1; WEI Kuan-yi2
1. 5th Gold Geological Detachment, CAPF, Xin’ an 710100, Shaanxi, China; 2. School o f Earth Sciences and Resources Management, Chang’ an University, Xi’an 710054, Shaanxi, China
Keywords:
gold deposit;  ore-forming fluid;  containing ledge;  fracturing deformation;  prospecting direction;  Zhen’an;  Shaanxi Province
PACS:
P618.510.1
DOI:
-
Abstract:
The upper Devonian Nanyangshan Formation and lower Carboniferous Yuanjiagou Formation layers are the source rocks of the Jinlongshan-Qiuling gold mine. The source rocks are frequent interbedding of fine-grained clastic rocks and carbonate rocks. Fine-grained sandstones, siltstones and carbonate rocks are better than shales and slates in the sense of physical nature for ore-forming fluid. In the metallogenic course, fracturing deformations closely correspond to the formation, storage and moving of the ore-forming fluid. The process is:① primary structures result in the first collection of the ore-forming fluid;② the first fracturing deformation results in the collection of the ore-forming fluid; ③ the second fracturing deformation results in the moving and gold deposition of the ore-forming fluid;④ the third frac- turing deformation results in the further collection of the ore-forming fluid and the enrichment of the gold deposits;⑤ the fourth fracturing deformation corresponds to the quartz-calciate vein.

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Memo

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Last Update: 2006-03-20