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《Geochimica》 1975-01
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GEOCHEMISTRY OF A Ni-BEARING ULTRABASIC INTRUSION

FU TEH-PIN  
Chemical variations, geochemical behaviors and other problems such as elementassemblages and relative abundances of elements during and after various geologicprocesses (magmatism, assimilation, hydrothermal alteration as well as tectonic move-ments) have been discussed for a nickel-bearing ultrabasic intrusion. Particular em-phasis is placed on aspects concerning the geochemical behavior of nickel. Conclusionshave been reached about the environment and possible mechanism for the emplacementof this massive and for the origin of Ni sulfides. A "assimilation-immiscibility" hy-pothesis is proposed for formation of copper-nickel sulfide deposits in ultrabasicintrusives.
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