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author:

郑开旗 (郑开旗.) [1] | 黄维新 (黄维新.) [2] | 周乐生 (周乐生.) [3]

Abstract:

三保钨钼矿床位于政和—大浦大断裂之东侧。矿体产于花岗斑岩(85Ma)与侏罗系南园组流纹质晶屑凝灰熔岩的内、外接触带中,属中—高温石英脉型矿床。石英包裹体的δD_(H_2O)值为-4l—-47‰,δ~(18)O_(H_2O)值为-6.0—-7.3‰,表明成矿热液是来自大气降水。根据矿体中δ~(34)S值和黑钨矿中富Nb_2O_5、贫Ta_2O_5,辉钼中Re及黄铁矿中Co高、Ni低等特征,证实成矿物质与同熔型花岗斑岩是同一来源的。花岗斑岩中除W、Mo含量较高外,Cr、Ba、Re的含量和∑Ce/∑Y比值、磁铁矿-(?)石-锆石等副矿物组合都与华南过渡型地壳同熔型花岗岩系列成因相似。根据上述资料推测...

Keyword:

古田三保 同位素 微量元素 成矿模式 花岗斑岩

Community:

  • [ 1 ] 福州大学地矿系

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Source :

矿床地质

ISSN: 0258-7106

CN: 11-1965/P

Year: 1989

Issue: 01

Page: 29-38

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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