Re os dating arsenopyrite pb pb dating
Furthermore, the result also implies that the age of the Gaixian Formation in the Maoling district is older than 2316±40 Ma.
The Yunnan–Guizhou–Guangxi “golden triangle” in southwestern China is one of the few important areas for Carlin-like gold deposits.The data also suggest that significant tectonic deformation of the Belt metasediments in and around the district, which predates the emplacement of the Ag-Pb-Zn veins, was associated with an orogenic event older than 1200 Ma, likely the 1.3 Ga East Kootenay orogeny, and not with the accretion of the Wallowa-Seven Devils terrane in the Early Cretaceous. 26--Booth# 17Economic Geology (Posters): All subjects, including IOCG and Porphyry Copper Deposits; Epithermal-Hot Springs; Non-Sulfide Ores; Gold; Magmas and Volatiles; and Copper in Asia Oregon Convention Center: Hall A AM- PM, Sunday, 18 October 2009Geological Society of America Abstracts with Programs, Vol. Permission is hereby granted to the author(s) of this abstract to reproduce and distribute it freely, for noncommercial purposes.