全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
地球学报  2004 

安徽铜陵地区幔源岩浆底侵作用的时代——朝山辉石闪长岩锆石SHRIMP定年

Keywords: 锆石SHRIMP定年,辉石闪长岩,朝山金矿,底侵作用

Full-Text   Cite this paper   Add to My Lib

Abstract:

铜陵是中国著名的铜(金)、铁成矿带,其金属矿产与区内燕山期侵入岩有着密切的时空、成因联系.对与铜陵地区典型的夕卡岩型朝山金矿有关的辉石闪长岩中的锆石进行了SHRIMP精确定年研究,辉石闪长岩锆石206Pb/238U年龄为142.9±1.1Ma,结合新获得的新桥矶头石英闪长岩和铜官山石英闪长岩的锆石U-Pb年龄.认为铜陵地区幔源岩浆底侵作用发生在早白垩世(133±143Ma),这一时期也是成矿的重要时期.

References

[1]  田世洪;杜杨松;秦新龙.安徽铜陵地区中酸性侵入岩及其岩石包体中的矿物包裹体研究[J].地学前缘,2001(04)
[2]  Fu Shichang,The geological characteristics and metallogenic prediction in Chaoshan gold deposit,Tonglin,Contributions to Geology and Mineral Resources,1999(02).
[3]  Du Yangsong;LiuJinhui;Qin Xinlong.Research progress of magmatic underplating[J].Progress in Natural Science,2003(03)
[4]  周若;吴才来;黄许陈,铜陵中酸性侵入岩同源包体特征及岩浆动力学,岩石矿物学杂志,1993(01).
[5]  吴才来;陈松永;史仁灯.铜陵中生代中酸性侵入岩特征及成因[J].地球学报,2003(01)
[6]  唐永成;邢凤鸣;吴言昌,安徽沿江地区铜金多金属矿床地质,北京:地质出版社,1998.
[7]  Zhou Xunrou;WuCailai;Huang Xuchen,Characteristics of cognate inclusions in intermediate-acid intrusive rocks of Tongling area and their magmatic dymatics,Acta Petrologica et Mineralogica,1993(01).
[8]  Wu Cailai;ZhouXunrou;Huang Xuchen,40Ar/39Ar chronology of intrusive rocks from Tongling,Acta Petrologica et Mineralogica,1996(04).
[9]  Wu C L;WangZH;Qiao D W,Type of enclaves andtheir features andorigins inintermediate-acid intrusive rocks from the Tongling district,Anhui province,China,Acta Geologica Sinica,2000(01).
[10]  Wu Cailai;ChenSongyong;Shi Rendeng.Origin and features of the mesozoic intermediate acid intrusives in the Tongling area,Anhui,China[J].Acta Geoscientia Sinica,2003(01)
[11]  Tian Shihong;DuYangsong;Qin Xinlong.Minera linclusion studies of the intermediate-acid intrusive rocks and their rock enclaves in Tongling area,Anhui province[J].Earth Science Frontiers,2001(04)
[12]  Pan Y;DongP,The Lower Changjiasng(Yangzi/Yangtze River) metallogenic belt,east central China:intrusion-and wall rock-hosted Cu-Fe-Au,Mo,Zn,Pb,Ag deposits,Ore Geology Reviews,1999.
[13]  Cliff R,Isotopic dating in metamorphic belts,Journal of the Geological Society,1985.
[14]  Compston W;WilliamsIS;Meyer C,U-Pb geochronology of zircons from lunar breccia 73217 using a sensitive high mass-resolutionion mocroprobe,Journal of Geophysical Research,1984.
[15]  胡欢;王汝成;陆建军.安徽铜陵狮子山矿田夕卡岩型金矿床的矿物组合、化学成分及成因意义[J].矿床地质,2001(01)
[16]  杜杨松;刘金辉;秦新龙.岩浆底侵作用研究进展[J].自然科学进展,2003(03)
[17]  Hu Huan;WangRucheng;Lu Jianjun.Mineral association,chemical composition andgenetic significance of skarn gold deposits in the Shizishan orefield,Tonglin area,Anhui province[J].Mineral Deposits,2001(01)
[18]  邢凤鸣;徐祥,铜陵地区高钾钙碱性系列侵入岩,地球化学,1996(01).
[19]  吴才来;周若;黄许陈,铜陵地区中酸性侵入岩年代学研究,岩石矿物学杂志,1996(04).
[20]  傅世昶.铜陵朝山金矿床成矿地质特征和成矿预测[J].地质找矿论丛,1999(02)
[21]  Yuan Xiaoming.A tentative discussion on the copper and gold metallogenic model of the Tongguanshan orefield[J].Acta Geoscientia Sinica,2002(06)
[22]  Xing Fengming;XuXing,High-potassium calc-alkaline intrusive rocks in Tonglinf area,Anhui province,Geochemistry,1996(01).
[23]  Williams I S,U-Th-Pb Geoch,Reviews in Economic Geology,1998.
[24]  Williams I S;ClaessonS,Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragnei-sses from the Seve Nappes,Scandinavian Caledonides:II.Ion microprobe zircon U-Th-Pb,Contributions to Mineralogy and Petrology,1987.
[25]  Compston W;WilliamsIS;Kirschvink J L,Zircon U-Pb ages for the Early Cambrian time scale,Journal of the Geological Society,1992.
[26]  袁小明.铜官山矿田铜金成矿模式探讨[J].地球学报,2002(06)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133