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云南金平铜厂斑岩铜钼矿区岩体锆石Ce^4+/Ce^3+比值及其对成矿的指示意义
胥磊落; 毕献武; 陈佑纬; 齐有强
Corresponding Author毕献武
2012
Source Publication矿物学报
Volume32Issue:1Pages:74-82
Abstract对金沙江—红河成矿带南段铜厂斑岩铜钼矿区含矿的石英正长斑岩和无矿的细粒正长岩开展了锆石的Ce^4+/Ce^3+比值、δCe及δEu值的研究,结果显示含矿的4个石英正长斑岩样品的锆石Ce^4+/Ce^3+比值变化范围为208~336,平均比值为265,δCe值变化范围为17.6~60.6,平均值为33.8,δEu值变化范围为0.592~0.628,平均值为0.611,不含矿的1个细粒正长岩样品的锆石Ce^4+/Ce^3+比值为61,δCe值为8.50,δEu值为0.424,含矿的石英正长斑岩的锆石Ce^4+/Ce^3+比值、δCe及δEu值均明显高于不含矿的细粒正长岩,反映了与成矿有关的岩浆具有相对高的氧化状态。对比金沙江—红河成矿带北段的玉龙斑岩铜钼矿带和中段的马厂箐斑岩铜钼矿的含矿与无矿岩体,它们的锆石Ce^4+/Ce^3+比值与南段铜厂斑岩铜钼矿含矿及无矿岩体具有基本类似的特征,含矿岩体的锆石Ce^4+/Ce^3+比值通常大于200,而不含矿岩体的锆石Ce^4+/Ce^3+比值基本上都小于120。这种差异对进一步认识金沙江—红河成矿带斑岩铜钼矿的岩浆氧逸度特征具有重要的理论意义,对斑岩铜钼矿的找矿工作具有一定的指导意义。
Keyword金沙江—红河成矿带 铜厂斑岩铜钼矿 锆石ce^4+/ce^3+比值
Subject Area矿床地球化学
Indexed ByCSCD
Language中文
CSCD IDCSCD:4467075
Citation statistics
Cited Times:15[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/4974
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
Corresponding Author毕献武
Recommended Citation
GB/T 7714
胥磊落,毕献武,陈佑纬,等. 云南金平铜厂斑岩铜钼矿区岩体锆石Ce^4+/Ce^3+比值及其对成矿的指示意义[J]. 矿物学报,2012,32(1):74-82.
APA 胥磊落,毕献武,陈佑纬,&齐有强.(2012).云南金平铜厂斑岩铜钼矿区岩体锆石Ce^4+/Ce^3+比值及其对成矿的指示意义.矿物学报,32(1),74-82.
MLA 胥磊落,et al."云南金平铜厂斑岩铜钼矿区岩体锆石Ce^4+/Ce^3+比值及其对成矿的指示意义".矿物学报 32.1(2012):74-82.
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