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SHRIMP锆石年代学对西藏玉龙斑岩铜矿成矿年龄的制约
郭利果; 刘玉平; 徐伟; 张兴春; 秦克章; 李铁胜; 石玉若
2006
Source Publication岩石学报 (IF:1.148[JCR-2016],1.468[5-Year])
Volume22Issue:4Pages:1009-1016
metadata_24其它
Abstract锆石SHRIMP U-Pb定年结果表明,玉龙岩体侵入时限至少为2.6Ma,其中成矿前石英二长斑岩的年龄为43.6±0.8Ma,成矿期黑云母二长花岗斑岩的年龄为41.0Ma±1.0Ma,代表了两幕较大的岩浆活动.玉龙斑岩铜矿主体成矿年龄约为40Ma,长时限多期幕式岩浆侵入和成矿期物理化学条件的剧变,是形成玉龙超大型斑岩铜矿的主要原因.玉龙斑岩铜矿与金沙江-红河成矿带众多新生代斑岩铜矿一样,属于印度-亚欧大陆45Ma陆陆主体碰撞之后第一次大规模应力释放的产物.; 锆石SHRIMP U-Pb定年结果表明,玉龙岩体侵入时限至少为2.6Ma,其中成矿前石英二长斑岩的年龄为43.6±0.8Ma,成矿期黑云母二长花岗斑岩的年龄为41.0Ma±1.0Ma,代表了两幕较大的岩浆活动.玉龙斑岩铜矿主体成矿年龄约为40Ma,长时限多期幕式岩浆侵入和成矿期物理化学条件的剧变,是形成玉龙超大型斑岩铜矿的主要原因.玉龙斑岩铜矿与金沙江-红河成矿带众多新生代斑岩铜矿一样,属于印度-亚欧大陆45Ma陆陆主体碰撞之后第一次大规模应力释放的产物.
KeywordShrimp年龄
Subject Area中国典型特殊区带大规模成矿作用及其动力学
Funding Organization国家重点基础研究发展规划项目(编号2002CB412601)和中国科学院矿床地球化学重点实验室联合资助
Indexed ByCSCD
Language中文
CSCD IDCSCD:2456450
Citation statistics
Cited Times:32[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/486
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
郭利果,刘玉平,徐伟,等. SHRIMP锆石年代学对西藏玉龙斑岩铜矿成矿年龄的制约[J]. 岩石学报,2006,22(4):1009-1016.
APA 郭利果.,刘玉平.,徐伟.,张兴春.,秦克章.,...&石玉若.(2006).SHRIMP锆石年代学对西藏玉龙斑岩铜矿成矿年龄的制约.岩石学报,22(4),1009-1016.
MLA 郭利果,et al."SHRIMP锆石年代学对西藏玉龙斑岩铜矿成矿年龄的制约".岩石学报 22.4(2006):1009-1016.
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