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云南金宝山铂钯矿Sr-Nd-Os同位素组成:岩浆成因及演化分析
陶琰; 胡瑞忠; 漆亮; 屈文俊; 储著银; 苟体忠
2010
Source Publication矿物岩石
Volume30Issue:2Pages:60-67
Abstract金宝山铂钯矿是峨眉山大火成岩省具有典型意义的岩浆Ni-Cu-PGE矿床,成矿岩体岩矿石Rb-Sr,Sm-Nd,Re-Os同位素特征表明:成矿岩浆为地幔柱成因并受到岩石圈地幔和地壳混染作用的影响。εNd(260 Ma)=-1.78~+0.81,介于地幔柱与岩石圈地幔之间但明显靠近地幔柱的同位素组成。γOs(260 Ma)=20~60,高于任何端元类型的地幔储集库,体现地壳混染作用的效果。模式分析认为,成矿岩浆形成演化过程中大约有10%的岩石圈地幔熔体混合并受到5%左右的下地壳混染。
KeywordSr-nd-os同位素 岩浆ni-cu-pge矿床 峨眉山大火成岩省 地幔柱 金宝山铂钯矿
Subject Area矿床地球化学
Language中文
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/4930
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
陶琰,胡瑞忠,漆亮,等. 云南金宝山铂钯矿Sr-Nd-Os同位素组成:岩浆成因及演化分析[J]. 矿物岩石,2010,30(2):60-67.
APA 陶琰,胡瑞忠,漆亮,屈文俊,储著银,&苟体忠.(2010).云南金宝山铂钯矿Sr-Nd-Os同位素组成:岩浆成因及演化分析.矿物岩石,30(2),60-67.
MLA 陶琰,et al."云南金宝山铂钯矿Sr-Nd-Os同位素组成:岩浆成因及演化分析".矿物岩石 30.2(2010):60-67.
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