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地球学报  2003 

云南马头湾透辉石花岗斑岩锆石SHRIMPU-Pb年龄研究

Keywords: 锆石,SHRIMPU-Pb年龄,透辉石花岗斑岩,马头湾,云南省西部

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Abstract:

位于云南省西部鹤庆县北衙Pb、Au等矿区西边的马头湾透辉石花岗斑岩锆石SHRIMPU—Pb年龄为34Ma,反映该岩体的岩浆在上侵定位时的结晶时间或成岩时间,相当于渐新世,属于喜马拉雅期;成岩时间还表明:控岩的哀牢山-金沙江走滑拉分的深断裂带受控于印度与欧亚两大板块的碰撞(45Ma左右),其年龄基本相当或略晚于前者,表明其成因与两大板块的碰撞有内在联系。

References

[1]  Zhang Yuquan;Tu Guangchi,Preliminary studies of the alkalirich intrusive rocks in the Ailaoshan-Jinshajiang belt and their bearing on rift tectonics,岩石学报,1987(05).
[2]  Williams I S,U-Th-Pb geochronology by ion microprobe,Review of Economic Geology,1998.
[3]  Cai Xinping;Liu Bingguang;Li Chengyun,Occurrences and origin of Beiya gold deposit,western Yunnan province,The Developments of Gold Science and Technology,1991(07).
[4]  张玉泉;谢应雯,哀牢山-金沙江富碱侵入岩年代学和Nd,Sr同位素特征,中国科学D辑,1997(04).
[5]  张玉泉;涂光炽,哀牢山-金沙江富碱侵入岩及其与裂谷构造关系的初步研究,岩石学报,1987(01).
[6]  Hu Xiangzhao;Huang Zhen,The petrology and petrogensis of the Yangtze platform western margin\'s alkali-rich granite porphyry,Geotectonica et Metallogenia,1997(02).
[7]  Dewey J F;Shackleton R M;Chang Chengfa,ThetectonicevolutionoftheTibetenplateau,Philosophical Transactions of the Royal Society of London,1988.
[8]  Composton W;Williams I S;Meyer C,U-Pb geochronology of zircons from lunar breccia 73217 using a sensitive high mass-resolution ion microprobe,Geophysical Research Letters? ,1984, 89.
[9]  宋彪;张玉海;万渝生,锆石SHRIMP样品靶制作、年龄测定及有关现象讨论,地质论评,2002(z1).
[10]  胡祥昭,扬子地台西缘富碱斑岩特征及成因探讨,大地构造与成矿学,1997(02).
[11]  蔡新平;刘秉光;李成云,滇西北衙金矿矿床特征及成因初探,黄金科技动态,1991(07).
[12]  Zhang Yuquan;Xie Yingwen,The ages and Nd,Sr isotopic characters of the alkali-rich intrusive rocks in the Ailaoshan-Jinshajiang belt,中国科学D辑,1997(04).
[13]  Williams I S,Some observations on the use of zircon U-Pb geochronology in the study of granitc rocks,Transactions of The Royal Society of Edinburgh-Earth Sciences,1992.
[14]  Song Biao;Zhang Yuhai;Wan Yusheng,Mount making and procedure of the SHRIMP dating,Geological Review,2002(48).

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