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J4 ›› 2009, Vol. 17 ›› Issue (5): 42-45.
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ZHANG Yong, GAO Quan, YAN Xiaolin
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Abstract:
It has been discovered that there are about 39 gold ore deposits at the east of Jilin province (Yanbian area), including several type of deposits, such as big-type deposits, middle-type deposits and small-type deposits. This area is the classic area of volcanic hydrothermal type gold deposit of mesozoic. According to the analysis of geological characteristics and ore-forming in this ore-field, we find that the ore deposit of this area is related with mesozoic volcanic rocks and sub-volcanic rocks. The ore containing wall-rock includes the late jurassic-early cretaceous volcanic rocks, which have been deep altered, and diorite porphyrite, quartz diorite porphyrite(or granitic porphyry), which are controlled by regional structures. Most of the ore-forming material in this gold deposit is from upper-mantle, the ore-forming solution is the mixed fluid of magmatic hydrothermal and atmospheric precipitation.
Key words: Gold deposits, Geological characteristics, Mineralization, Eastern Jilin
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ZHANG Yong, GAO Quan, YAN Xiaolin. Analysis of Geological Characteristics and Mineralization of Gold Deposits in Eastern Jilin[J].J4, 2009, 17(5): 42-45.
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http://www.goldsci.ac.cn/EN/Y2009/V17/I5/42
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