%0 Journal Article %T Geochronological study on Taipinggou molybdenum deposit in Da Hinggan Mountain
大兴安岭太平沟钼矿床成矿年代学研究 %A WANG ShengWen %A WANG JianGuo %A ZHANG Da %A QI XiaoJun %A WU GanGuo %A ZHAO PiZhong %A YANG ZongFeng %A LIU YanBing %A
王圣文 %A 王建国 %A 张达 %A 祁小军 %A 吴淦国 %A 赵丕忠 %A 杨宗锋 %A 刘彦兵 %J 岩石学报 %D 2009 %I %X The Taipinggou porphyry molybdenum deposit was recently discovered in the Da Hinggan Mountain,China.Our geochronological study of ore-bearing porphyries and orebodies yields a K-feldspar ~(40) Ar-~(39) Ar isochron age of 127.5±4Ma for the ore-bearing,altered adamellite porphyry,a SHRIMP zircon U-Pb age of 131.5±1.1Ma for the ore-bearing granite porphyry,and a molybdeniteRe-Os isoehron age of 129.4±3.9Ma for the orebodies.This suggests that the molybdenum mineralization occurred in a period of 131.5~127.5Ma;and that the porphyries and ore systems formed coevally with the regional Yanshanian tectonomagmatic event in Early Cretaceous. %K Da Hinggan Mountain %K Taipinggou porphyry molybdenum deposit %K ~(40)Ar-~(39)Ar age %K Zircon SHRIMP U-Pb age %K Re-Os age
大兴安岭 %K 太平沟斑岩型钼矿 %K ~(44)Ar-~(39)Ar年龄 %K 锆石SHRIMPU-Pb年龄 %K Re-Os年龄 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=621CF755B1A341E5&jid=2013B5467E3054B1614CEC199353FCED&aid=0E6693A240D9B5A04734CFA014EBE865&yid=DE12191FBD62783C&vid=C5154311167311FE&iid=708DD6B15D2464E8&sid=40B6ACE74BEDE287&eid=322C84223FA0F957&journal_id=1000-0569&journal_name=岩石学报&referenced_num=3&reference_num=99