Technology Application |
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THE PROSPECTING OBJECTIVES FOR MURUNTAU TYPE GOLD DEPOSITS IN XINJIANG |
ZHANG Rui-Jiang |
China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China |
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Abstract The identified prospecting region of Muruntau type gold deposits is located in Jigen District, Wuqia County, Xinjiang, lying in the South Tianshan Mountains tectonic belt which is the southern extension of the Sawaya'erdun gold deposit. Its outcropping rock is Devonian grayish black charcoal-bearing turbidite. Based on a comparative interpretation of remote sensing images for metallogenic environments of Xinjiang and its west neighboring countries, it is considered that the known metallogenic belts in Xinjiang stretch along the Tianshan Mountains. A comparison of the geological features between the Muruntau gold deposit and the Sawaya'erdun gold deposit shows that the two deposits are quite similar to each other, and hence the prospecting work can be done in similar ways. According to the results of interpretation of the remote sensing image, four prognostic areas were identified in Jigen District, and five gold and copper ore bodies were discovered in one of these areas. The maximum gold content reaches 27.62 g/T,and the maximum copper content reaches 15.85%. This paper also summarizes the prospecting criteria for Muruntau type gold deposits in Xinjiang, and the method for prospecting work at depths.
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Issue Date: 23 July 2009
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