2009•Journal of Central South University(Science and Technology)Requires access
Analysis on geological characteristics and ore-controlling factors of Yixingzhai gold ore deposit
Di Zheng
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Abstract
In allusion to the key ore-controlling factors which is closely related to mineral exploration of Yixingzhai golden deposit, the geochemistry of trace elements, isotope geochemistry characteristic, mechanical property of ore bearing structure and the characteristic of gold-bearing veins output were analysed. The results show that the intermediate acid magmatic intrusive activities of the Yanshanian period are the dominant factor in the formation of deposit. The spatial distribution of mineralization is most closely related to the southern mining area with ultra-shallow phase acid rock. Structure is the most important factor in ore formation, which controls the intrusion of magma and the formation and perch of ore-bearing rocks and ore body; stratum acts as favorable host rock of all kinds of ore control structures of the metallogenic epoch shallow place, and it acts as obstruct layer during migration accumulation and orientation of the ore-bearing fluid. The genesis of the ore deposit belongs to the typical magmatic hydrothermal gold ore deposit of the middle-low temperature.