Cenozoic Volcanism in Tibet: Evidence for a Transition from Oceanic to Continental Subduction   总被引：93，自引：2，他引：93  

DING  LIN; KAPP  PAUL; ZHONG  DALAI; DENG  WANMING 《Journal of Petrology》2003,44(10):1833-1865

Geochronological (K–Ar or ⁴⁰Ar/³⁹Ar), major and traceelement, Sr–Nd–Pb isotopic and mineral chemicaldata are presented for newly discovered Cenozoic volcanic rocksin the western Qiangtang and central Lhasa terranes of Tibet.Alkali basalts of 65–45 Ma occur in the western Qiangtangterrane and represent primitive mantle melts as indicated byhigh mg-numbers [100 x Mg/(Mg + Fe)] (54–65), Cr (204–839ppm) and Ni (94–218 ppm) contents, and relatively lowratios of ⁸⁷Sr/⁸⁶Sr (0·7046–0·7061), ²⁰⁶Pb/²⁰⁴Pb(18·21–18·89), ²⁰⁷Pb/²⁰⁴Pb (15·49–15·61)and ²⁰⁸Pb/²⁰⁴Pb (38·42–38·89), and highratios of ¹⁴³Nd/¹⁴⁴Nd (0·5124–0·5127). Incontrast, younger volcanic rocks in the western Qiangtang terrane(  相似文献   

Evolution process of the Late Silurian–Late Devonian tectonic environment in Qimantagh in the western portion of east Kunlun,China: Evidence from the geochronology and geochemistry of granitoids     

HAO  NANA  YUAN  WANMING  ZHANG  AIKUI  FENG  YUNLEI  CAO  JIANHUI  CHEN  XIAONING  CHENG  XUEQIN  MO  XUANXUE 《Journal of Earth System Science》2015,124(1):171-196

Journal of Earth System Science - The East Kunlun Orogenic Belt has undergone a composite orogenic process consisting of multiple orogenic cycles and involving many types of magmatic rocks spread...  相似文献   

Metallogenic epoch of the Jiapigou gold belt, Jilin Province, China: Constrains from rare earth element, fluid inclusion geochemistry and geochronology   总被引：1，自引：0，他引：1  

ZHIXIN HUANG  WANMING YUAN  CHANGMING WANG  XIANGWEI LIU  XIAOTONG XU  LIYA YANG 《Journal of Earth System Science》2012,121(6):1401-1420

  相似文献