Geochemistry and genesis of magmatic PGE-bearing Cu-Ni sulphide deposit in Wadi Bayhan,southeastern Yemen |
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| Authors: | Moteea A.Al-Shameery SUN Fengyue M.Alqadasi M.Mattash .College of Earth Sciences Jilin University Changchun China .Geological Survey Mineral Resources Board Sana'a Yemen |
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| Affiliation: | Moteea A.Al-Shameery1,2,SUN Fengyue1,M.Alqadasi2 and M.Mattash2 1.College of Earth Sciences,Jilin University,Changchun 130061,China,2.Geological Survey and Mineral Resources Board,Sana'a,Yemen |
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| Abstract: | The Wadi Bayhan mafic-ultramafic intrusions associated with magmatic PGE-bearing Cu-Ni sulphide deposit are located in the south margin of the Arabian-Nubian Shield,SW Yemen.The intrusions consist of dunite,olivine-pyroxenite,lherzolite,hornblendite,gabbro and gabbronorite.The dunite and lherzolite are the main host rock for the Cu-Ni ores.The new data of the chemical compositions of the rocks have SiO2(50%-53.6%),Al2O3(0-32%) and MgO(4%-28%),and relatively low TiO2(0-3.2%) and K2O+Na2O(0.04%-5.2%).The geoc... |
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| Keywords: | magmatic sulphide Wadi Bayhan mafic-ultramafic intrusion |
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