冀东金厂峪金矿床成矿地质特征-JournalofNortheasternUniversity.PDF

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冀东金厂峪金矿床成矿地质特征-JournalofNortheasternUniversity.PDF

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冀东金厂峪金矿床成矿地质特征-JournalofNortheasternUniversity

第33卷第10期东北大学学报 ( 自然科学版 ) Vol. 33, No. 10 2 0 12 年 10 月 Journal of Northeastern U ni ersity( Natural Science) O ct. 2 0 1 2 1 2 2 2 贾三石 , 王恩德 , 付建飞 , 郭耀宇 ( 1. , 066004; 2. , 110819) : , , , - , Bi - , : ; ; ; ; : P 6 11. 1 : A : 1005-3026( 2012) 10- 1492-04 Ore-Forming Geological Characteristics, Geochemistry and Formation Mechanism of Jinchangyu Gold Deposit in Eastern Hebei Pro ince 1 2 2 2 JIA San-shi , WAN G En-de , FUJian-f ei , G UO Yao-yu ( 1. School of Resource Materials, Northeastern Uni ersit y at Qinhuangdao, Qinhuangdao 066004, China; 2. School of Resources Ci il Engineering, Northeastern Uni ersity, Shenyang 110819, China. Corresponding author : JIA San-shi, E-mail: jss- 193 @ 163. com) Abstract: The geology and geochemical characteristics of Jinchangyu gold deposit w ere studied, and the results of its fluid inclusions showed that the ore-forming fluid is a low salinities, medium to high temperature fluid, and the isotopic features display its deep-source characteristics. The study on trace element and REE demonstrated that gold mineralization excludes rare earth elements and, Bi can act as indicator for high grade ore. The genetic mechanism and occurrence characteristics of w ide quartz eins and composite eins indicated that the ore bodies mainly occur in brittle structure-extruded schistosity zone, and the ore spatial distribution is controlled by ductile shear zone. Key words: Jinchangyu gold deposit; ductile shear zone; multiplex-quartzite; formation mechanis