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| ZIRCON U-Pb CHRONOLOGY OF QUARTZ MONZOPORPHYRY IN JIAWULA Pb-Zn-Ag DEPOSIT, DAXINGANLING MOUNTAINS: Geological Implications |
| LIU Gui-xiang, ZHANG Chun-peng, LYU Jun-chao, ZHANG Peng |
| Shenyang Center of Geological Survey, CGS, Shenyang 110034, China |
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Abstract The Jiawula Pb-Zn-Ag Deposit, one of the large-scale deposits in the Derbugan Cu(Mo)-Ag-Pb-Zn metallogenic belt in the western slope of Daxinganling Mountains, genetically has long been considered as epithermal type related to volcanic-subvolcanic hydrothermal process. The chronology of ore-bearing quartz monzoporphyry is studied on the basis of field investigation. The results show that the LA-ICP-MS zircon U-Pb is dated 152.2±1.5 Ma. Combined with previous diagenetic and metallogenic chronology researches, it is thought that the Jiawula Deposit was formed in Late Jurassic to the early stage of Early Cretaceous, contemporaneous with similar deposits in the region, which is a product of post-collisional orogeny extensional tectonic setting after the closure of Mongolia-Okhotsk Ocean.
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Received: 27 July 2018
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CHEN Hui-jun, CUI Tian-ri, QIAN Cheng, LI Lin-chuan, CHEN Jing-sheng, LI Wei, WU Xin-wei, JIANG Bin, SI Qiu-liang, QIN Tao, TANG Zhen, ZHANG Yu-jin, GUO Wei. ZIRCON U-Pb GEOCHRONOLOGY OF BASHENGHE PLUTON IN NORTHERN DAXINGANLING MOUNTAINS: Geological Implications[J]. GEOLOGY AND RESOURCES, 2019, 28(5): 405-412. |
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2018, Vol. 27 
