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- W2391771914 abstract "The study on sulfur isotope is of great importance to revealing the process of crustal contamination in Kalatongke mafic-ultramafic intrusion.The concentrations of sulfur isotope of chalcopyrite,pyrite,pyruhotite in massive sulfide,disseminated sulfide,speckled and veined ores and wall rocks were analyzed;and the characteristic of sulfur isotope in Kalatongke Cu-Ni deposit and its geological significance were discussed.The results showed that per thousand deviations between measured isotope and standard values δ(34[KG-10x]S) of massive,disseminated,speckled and veined ores and pyrite in wall rock were(-1.30-1.84)×10-3,(-2.50-0.85)×10-3,(-1.54-3.00)×10-3 and(-7.8——3.3)×10-3,respectively;concentrations of sulfur isotope in sulfide were pyrite,pyruhotite and chalcopyrite in descending order,and it basically achieved sulfur isotope equilibrium among the sulfides;the sulfur in Kalatongke Cu-Ni deposit was mainly derived from mantle,traces of crustal sulfur contamination were little or partial in disseminated ores which formed in the process of magma segregation,vein ores which formed in postmagmatic hydrothermal stage,and pyrite which formed in postmagmatic later stage;the crust-derived sulfur did not enter into the magma source zone,it would be partly occurr in the process of the magma rising and sulfide segregation in situ,almost had little affect on sulfur saturation and sulfide segregation;the fractional crystallization of olivine and chromite occurred in deep crustal magma may be the major factor to promote sulfur saturation and sulfide segregation." @default.
- W2391771914 created "2016-06-24" @default.
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- W2391771914 date "2010-01-01" @default.
- W2391771914 modified "2023-09-24" @default.
- W2391771914 title "Characteristics of Sulfur Isotope in Kalatongke Cu-Ni Deposit and Its Geological Significance" @default.
- W2391771914 hasPublicationYear "2010" @default.
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