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METALLOGENY AND ZIRCON U-Pb AGE OF ORE-BEARING GRANODIORITE OF THE HUOJIHE MOLYBDENUM DEPOSIT IN HEILONGJIANG PROVINCE |
ZHANG Sen1,2, KOU Lin-lin2, HAN Ren-ping2, LIU Gui-xiang2, PANG Wen-long3, LV Jun-chao2, TAN Hong-yan2 |
1. College of Earth Sciences, Jilin University, Changchun 130061, China; 2. Shenyang Institute of Geology and Mineral Resources, CGS, Shenyang 110034, China; 3. No. 1 Gold Geological Team, CAPF, Mudanjiang 157021, Heilongjiang Province, China |
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Abstract The Huojihe molybdenum deposit in Heilongjiang Province occurs in the Late Triassic-Early Jurassic granodiorite in the north part of Yichun-Yanshou granite belt. The molybdenite is hosted in the fractures of granodiorite, genetically belonging to veinlet-disseminated deposit type. The ore-bearing granitoid involves mainly granodiorite and monzogranite. The zircon U-Pb dating result of diagenetic age of the granodiorite is 190.3±2.4 Ma, suggesting that the mineralization age of the Huojihe molybdenum deposit is Early Yanshanian.
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Received: 29 May 2012
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