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《Hunan Geology》 2002-01
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THE DEPOSIT-CONTROLLED CHARACTERISTICS OF Au-DEPOSIT IN GAOJIA AO MECRO-IMPREGNATION, XINSHAO

CHEN Yi-wang,(Middle Hunan Institute of Mineral Resources and Geology Survey ,,HNIGSLoudi Hunan 417000China)  
The Au-deposit in GaoJiaao located in middle of structure zone east-west oriented of Baima Mountain-Long Mountain, in SW incline-down end in the arched roof of Dacheng Mountain between the basement fault in Taojiang-Chengpu NE direction and the basement fault in Shaoyang-Chenzhou NW direction, with Au-bearing alternation zone exists in dross rock of Banshan formation, Middle Devonian system, and the shapes of Au-ore body as layer, lens and veins. The goes through layers of mine-bring, forming channels for liquid ore-bearing to move, with incline-down end in the arched roof and basement fault offering room to store up ore, and second grade fault of NW and NE the main structure of ore-bearing. The join-spot of fault with different class and direction in rising andsupporting basement-crack is favorable place to form the sort of gold-deposit.
【CateGory Index】: P618.51
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