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Mesozoic magmatism and metallogenesis associated with the destruction of the.pdf

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Mesozoic magmatism and metallogenesis associated with the destruction of the

Ore Geology Reviews 53 (2013) 434–445 Contents lists available at SciVerse ScienceDirect Ore Geology Reviews j ourna l homepage: www.e lsev ie r .com/ locate /oregeorevMesozoic magmatism and metallogenesis associated with the destruction of the North China Craton: Evidence from U–Pb geochronology and stable isotope geochemistry of the Mujicun porphyry Cu–Mo deposit Guochen Dong a,b,?, M. Santosh a,b, Shengrong Li a,b, Junfeng Shen a,b, Xuanxue Mo a,b, Steve Scott a,c, Kai Qu a, Xia Wang a a China University of Geosciences, 29 Xueyuan Road, Haidian District, Beijing, 100083, China b State Key Laboratory of Geological Processes and Mineral Resources, CUGB, Beijing 100083, China c Department of Geology, University of Toronto, 22 Russell Street, Toronto, Ontario, M5S 3B1, Canada? Corresponding author at: China University of Ge Haidian District, Beijing 100083, China. E-mail address: donggc@ (G. Dong). 0169-1368/$ – see front matter ? 2013 Elsevier B.V. All /10.1016/j.oregeorev.2013.02.006a b s t r a c ta r t i c l e i n f oArticle history: Received 24 June 2012 Received in revised form 30 January 2013 Accepted 5 February 2013 Available online 26 February 2013 Keywords: Geochronology Stable isotope geochemistry Mujicun Cu–Mo deposit Craton destruction Tectonics North China CratonThe North China Craton (NCC) provides a classic example of lithospheric destruction and refertilization. The timing and duration of magmatism and related metallogenesis associated with the destruction process are piv- otal to understanding the geodynamic controls. In this study, we present zircon U–Pb and Hf data, Re–Os ages, and He, Ar, Pb and S isotope data from theMujicun porphyry Cu–Mo deposit in the northern TaihangMountains within the Central Orogenic Belt of the NCC.We constrain the timing ofmagmatism as 144.1 ± 1.2 Ma from zir- con U–Pb data on the diorite porphyry that hosts Cu–Mo mineralization. Another U–Pb age of 139.7 ± 1.4 Ma was obtained from an epidote skarn that is located in the