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| THE WALL-ROCK ALTERATION OF THE HYDROTHERMAL GOLD DEPOSIT AND ITS RELATIONSHIP WITH GOLD MINERALIZATION |
| HUANG Cheng1,2, ZHANG De-hui2, HE Cheng-Zhong2, WANG Xin-yan2, YU Xiao2, Yin Hai-yan2 |
1. No.9 Gold Geological Party of CAPF, Haikou 571127, China;
2. School of Earth and Resources, China University of Geosciences, Beijing 100083, China |
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Abstract The hydrothermal gold deposit is always accompanied by wall rock alteration, which is of great significance for gold exploration. It is found that the wall rock alterations closely associated with the hydrothermal gold deposit include silicification, potassic alteration, albitization, carbonation, chloritization and propylitization, as shown by summary of different types of hydrothermal gold deposits. This paper has emphatically discussed the geochemical characteristics of silicification, potassic alteration, albitization, and carbonatation, and the reasons why gold mineralization is associated closely with these alterations. Alteration zoning of hydrothermal gold deposits is also briefly discussed.
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Received: 09 April 2013
Published: 10 April 2014
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