摘要
根据包裹体、碳、氧同位素及稀土元素地球化学的研究，作者确认在四川冕宁稀土矿床存在着岩浆成因的重晶石、萤石。在此基础上对此岩浆成因重晶石、萤石的稀土元素地球化学特征进行了系统研究，结果表明，岩浆成因的重晶石在稀土总量、轻重稀土比值、SEll等地球化学参数方面与热液成因重晶石有较大的差别；而岩浆成因萤石在稀土总量、轻重稀土比值、δCe等地球化学参数方面与热液成因者存在着显著差别。
Based on the geochemistry of fluid-melt in clusions,carbon and oxygen isotopes and rareearth elements (REE), magmatogenic barite and fluorite are recognized in the Mianning REE deposit, Sichuan Province, and their REE geochemistry is comprehensively investigated. It is demonstrated that significant differences exist between magmatogenic and hydrothermal barites and fluorites in REE geochemistry including REE, LREE/HREE and δEu or δCe.
出处
《矿物学报》
CAS
CSCD
北大核心
1996年第4期382-388,共7页
Acta Mineralogica Sinica
基金
国家自然科学基金!49473182
中国科学院院长基金
关键词
重晶石
萤石
岩浆成因
热液成因
稀土族
barite
fluorite
magmatogenic
hydrothermal
REE geochemistry
