GYIG OpenIR  > 矿床地球化学国家重点实验室  > 期刊论文
滇西北普朗斑岩铜矿锆石离子探针U-Pb年龄:成矿时限及地质意义
王守旭; 张兴春; 冷成彪; 秦朝建; 马德云; 王外全
Corresponding Author张兴春
2008
Source Publication岩石学报
Volume24Issue:10Pages:2313-2321
metadata_24其它
Abstract应用高精度离子探针锆石U—Pb测年方法,获得普朗斑岩铜矿床中3件矿化石英二长斑岩的锆石年龄分别为228.4-3Ma、226.3±2.8Ma、226±3Ma。锆石形态和铀钍参数均属典型的岩浆锆石特征,年龄值在误差范围内近似一致,表明形成矿化斑岩的中酸性岩浆从岩浆房快速上升侵位。结合前人已发表的矿化斑岩的黑云母Ar—Ar坪年龄及辉钼矿Re-Os同位素年龄等数据,推测普朗斑岩铜矿的岩浆-热液系统从岩浆侵入至矿化阶段的持续时间可能长达lOMa以上,主成矿期约为216~214Ma。从岩浆房分异出的富含成矿物质和挥发份的岩浆流体在相对较晚阶段对普朗复式岩体发生了强烈的蚀变作用并可能进一步萃取了岩体中的成矿物质。
Keyword锆石
Subject Area中国典型特殊区带大规模成矿作用及其动力学
Funding Organization国家自然科学基金项目(40372049)、国家“973”项目课题(2002CB412605)和中科院知识创新工程重要方向项目(KZCX3-SW-125)资助.
Indexed ByCSCD
Language中文
CSCD IDCSCD:3500024
Citation statistics
Cited Times:37[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/304
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张兴春
Recommended Citation
GB/T 7714
王守旭,张兴春,冷成彪,等. 滇西北普朗斑岩铜矿锆石离子探针U-Pb年龄:成矿时限及地质意义[J]. 岩石学报,2008,24(10):2313-2321.
APA 王守旭,张兴春,冷成彪,秦朝建,马德云,&王外全.(2008).滇西北普朗斑岩铜矿锆石离子探针U-Pb年龄:成矿时限及地质意义.岩石学报,24(10),2313-2321.
MLA 王守旭,et al."滇西北普朗斑岩铜矿锆石离子探针U-Pb年龄:成矿时限及地质意义".岩石学报 24.10(2008):2313-2321.
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