Patterns of platinum-group elements in mantle peridotite, granulite xenoliths and basalt in Hannuoba |
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| Authors: | Xuelei Chu Xiaolin Li Jiuhua Xu Jianming Liu |
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| Affiliation: | CHU Xuelei, LI Xiaolin, XU Jiuhua and LIU Jianming1. The Research Center of Mineral Resources Exploration , Chinese Academy of Sciences , Beijing 100101, China ;2. Institute of Geology , Chinese Academy of Sciences , Beijing 100029, China ;3. Institute of High Energy Physics , Chinese Academy of Sciences , Beijing 100817 , China ;4. Beijing University of Science and Engineering , Beijing 100083, China Corresponding author |
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| Abstract: | Neutron activation analysis after preconcentration of nickel sulfide fire assay was used in measurement of Ru, Ph, Pd, Os, Ir, Pt (i.e. PGE elements) and Au concentrations for basalt, mantle and granulite xenoliths in Hannuoba. The chondrite- and primitive mantle-normalized PGE patterns generally exhibit flat (for Iherzolite), negative slope (for harzburgite), and positive slope (for basic granulite and basalt). In addition, strong Ir negative anomaly occurs in basalt and granulite xenolith, and little negative anomaly also exists in Iherzolite xenolith in Hannuoba. |
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| Keywords: | mantle xenolith granulite xenolith basalt platinum-group element Hannuoba. |
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