Two granitic plutons in Central Western Kunlun Belt: Their ages and possible sources |
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Authors: | Chao Yuan Min Sun Jiliang Li |
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Institution: | (1) Department of Earth Sciences, The University of Hong Kong, Hong Kong, China;(2) Institute of Geology, Chinese Academy of Sciences, 100029 Beijing, China |
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Abstract: | Geochronological and isotope studies have been carried out for two important plutons in the Central Western Kunlun Belt. U-Pb
single grain zircon dating results show that the North Kudi Pluton (404 Ma) was produced near the end of Caledonian; whereas
the previously labeled Hercynian Arkarz Mountain Pluton (215 Ma) is either an Indosinian pluton or a product of multiple-phase
magmatism. Sm/Nd isotopic data suggest that their sources are quite heterogeneous, and continental crust played an important
role during the generation of these two granitic plutons. |
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Keywords: | granitic pluton Central Western Kunlun Belt |
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