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Metallogenic appraisal for gold deposits at the northern margin of the north China platform

LI Zhong-shan,FAN Ji-zhang (Institute of Mineral Resources Appraisal of Synthetic Information, Jilin University,Changchun130026,China)  
Three main types and seven subtypes have been geneticaly divided for the gold deposits at the northern margin of the north China platform. 214 units have been recognized using geological unit methods for the three main types of gold deposits in the area. Under guidance of synthetic information metallogenic theory, the authors have carried out the character analysis for the three types of gold deposits in the area: remelted-magmatic hydrothermal, systecnic magmatic hydrothermal and volcanic-subvolcanic hydrothermal. Based on the estimation on the most possible occurrence locations and the metallogenic probabilities of different units, 24 units are concluded to be mostly perspective.
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