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Relationship between Chemical Characteristics of Granitic Rocks and Gold Mineralization in Tanjianshan(PDF)

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

Issue:
2007年第03期
Page:
252-255,279
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Relationship between Chemical Characteristics of Granitic Rocks and Gold Mineralization in Tanjianshan
Author(s):
BAI Kai-yin1; CHEN Li-qiu2; WEI Gang-feng1
1.School of Earth Sciences and Resources, Chang'an University, Xi'an 710054, Shaanxi, China; 2.Xinjiang Institute of Experimental Mineral,? rümqi 830000, Xinjiang, China
Keywords:
Tanjianshan;  gold deposit;  carbonaceous mylonite schist;  diorite-porphyrite;  Wandonggou Group
PACS:
P611.3
DOI:
-
Abstract:
Mylonite schist and granite are the main wall rocks of Tanjianshan gold deposit in Qinghai Province, and granitic rocks play an important role in the formation of gold deposit. Petrochemistry, REE and Pb isotope prove that the granitic magma comes from partial melting of Caledonian basic-ultrabasic rocks or crystallization of congenetic basaltic magma. The metal-sulfide-enriched hydrothermal fluid and thermal power of the granitic magma provide energy and carrier for the activation and movement of gold element, which capture and accumulate gold element, and is available to form gold deposit.

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Last Update: 1900-01-01