REE GEOCHEMISTRY CHARACTERISTICS OF DONGZHONGLA Pb-Zn DEPOSIT IN TIBET
Tang Juxing
Abstract
Tang Juxing
Abstract
Based on the study of REE geochemistry of Dongzhongla Pb-Zn deposit in Tibet,REE in ores and strata(limestone) has the same REE geochemistry characters,and ores are closely related with magmatic rocks.REE distributive mode of skarn ores inherits the distributive mode of intrusive rocks.Variation of REE characteristic value shows that during the metallogenic process,the mineralizing temperature was decreasing and mineralizing conditions changed from relative reducing environment to relative oxidation environment.
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Based on the study of REE geochemistry of Dongzhongla Pb-Zn deposit in Tibet,REE in ores and strata(limestone) has the same REE geochemistry characters,and ores are closely related with magmatic rocks.REE distributive mode of skarn ores inherits the distributive mode of intrusive rocks.Variation of REE characteristic value shows that during the metallogenic process,the mineralizing temperature was decreasing and mineralizing conditions changed from relative reducing environment to relative oxidation environment.
Key concepts: Skarn, Geology, Geochemistry, Petrology, Hydrothermal circulation, Fluid inclusions, Paleontology