%0 Journal Article %A Zhang, Jianxin %A Mattinson, Chris %A Yu, Shengyao %A Li, Yunshuai %A Mao, Xiaohong %A Lu, Zenglong %A Peng, Yingbao %D 2018 %T Two contrasting accretion v. collision orogenies: insights from Early Paleozoic polyphase metamorphism in the Altun–Qilian–North Qaidam orogenic system, NW China %U https://geolsoc.figshare.com/articles/journal_contribution/Two_contrasting_accretion_v_collision_orogenies_insights_from_Early_Paleozoic_polyphase_metamorphism_in_the_Altun_Qilian_North_Qaidam_orogenic_system_NW_China/6205310 %R 10.6084/m9.figshare.6205310.v1 %2 https://geolsoc.figshare.com/ndownloader/files/11279660 %K insight %K biotite %K Pb %K Th %K ratio %K mylonitized paragneiss %K Qaidam %K accretion v %K NW China Cathodoluminiscence imagery %K isochron ages %K orogenic %K plateau %K analysis %K zircon %K Altun %K Ar %K collision orogenies %K Paleozoic polyphase metamorphism %K Geology %X Cathodoluminiscence imagery of zircons revealing 206Pb/238U ages and Th/U ratios (Table S1) and analysis of biotite from mylonitized paragneiss yielding Ar–Ar plateau and isochron ages (Table S2) %I Geological Society of London