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...
地质论评  2001 

恒山中元古代早期基性岩墙群的单颗粒锆石U―Pb年龄及其克拉通构造演化意义

Keywords: 基性岩墙群中元古代华北同位素年龄伸展作用单颗粒锆石岩浆侵位克拉通构造演化铀-铅年龄

Full-Text   Cite this paper   Add to My Lib

Abstract:

华北克拉通中北部变质基底发育大规模的前寒武纪基性岩墙群,由于基性岩墙同位素定年技术存在问题,因此一直未获得岩墙群的确切年龄数据。本文利用单颗粒锆石U-Pb化学法,首次获得恒山地区北西向基性岩墙群的U-Pb年龄为1769.1±2.5Ma,并证明它代表基性岩墙群的侵位年龄,这一年龄数据也是华北克拉通大规模分布的未变质基性岩墙群已知的最古老年龄。综合分析同期岩浆活动的同位素年龄记录,本文提出中元古代早期华北的岩浆侵位发生于伸展构造背景下。

References

[1]  王凯怡.1991.山西早元古代芦芽山石英二长岩的初步研究.科学通报,36:685~687.
[2]  郁建华.1990.元古代北京裂谷槽中环斑花岗岩的地球化学.地质学报,64(2):322~335.
[3]  Li Jianghai. 1998. The early Precambrain supercontinent cycles andpalte tectonic evolution. Earth Science Front, 5 (Specialvolumes ):141~151 (in Chinese with English abstract ).
[4]  Li Huaikun, Li Huimin, Lu Songnian. 1995. Single grain zircon U-Pbages for volcanics from Tuanshanzi Formation of Changcheng System and their geological implications. Geochimica, 24 (1): 43~48(in Chinese with English abstract).
[5]  Liang Huaying, Mo Cehui, Wang Xiuzhang. 1998. The single-grainedzircon 207Pb-206Pb age dating with Shuiquangou alkaline complex,Zhangjiakou. Geochmie,27(1): 59~65(in Chinese with Englishabstract).
[6]  Lu Songnian, Li Huimin. 1991. Single grain zircon U-Pb ages for volcanics from Dahongyu Formation of Jixian System. Bulletin ofChinese Academy of Geological Sciences, (22):137~146(in Chinese with English abstract).
[7]  Qian Xianglin, Chen Yaping. 1987. Late Precambrain mafic swarmsof the North China craton. In:Halls H C, et al. ed. Mafic DykeSwarms. Geological Association of Canada Special Papers, 34:385~391.
[8]  白瑾,王汝铮,郭进京.1992.五台山早前寒武纪重大地质事件及其年代.北京:地质出版社,34~53.
[9]  侯贵廷,穆志国.1994.华北克拉通晚前寒武纪镁铁质岩墙群K-Ar年龄及地质意义.华北地质矿产杂志,9(3):267~270.
[10]  侯贵廷,张臣,钱祥麟.1999.华北克拉通中元古代基性岩墙群形成机制及构造应力场.地质论评,44(3):309~314.
[11]  胡世玲,王松山,桑海清等.1990.大庙斜长岩同位素地质年龄、稀土地球化学及其地质意义.地质科学,(4):332~343.
[12]  胡小蝶,陈志宏,赵彦明等.1997.河北小营盘金矿成矿时代--单颗粒锆石U-Pb同位素年龄新证据.前寒武纪研究进展,20(2):22~28.
[13]  李惠民,王汝铮.1997.单颗粒锆石U-Pb法判定的凤凰山花岗岩的年龄.前寒武纪研究进展,20(3):56~62.
[14]  李江海,何文渊,钱祥麟.1997.基性岩墙群的成因机制及其古板块再造意义.高校地质学报,3(3):271~281.
[15]  李江海.1998.超大陆旋回及早前寒武纪板块构造演化.地学前缘,5(增刊):141~151.
[16]  李怀坤,李惠民,陆松年.1995.长城系团山子火山岩颗粒锆石U-Pb年龄及其地质意义.地球化学,24(1):43~48.
[17]  梁华英,莫测辉,王秀璋.1998.张家口水泉沟碱性杂岩体单颗粒锫石207pb-206pb年龄分析.地球化学,27(1):59-65.
[18]  陆松年,李惠民.1991.蓟县长城系大红峪组火山岩的单颗粒锆石U-Pb法准确定年.中国地质科学院院报,(22):137~146.
[19]  宋彪.1993.密云环斑花岗岩的同位素地质年代学,稀土地球化学和成因讨论.中国地质科学院地质研究所所刊,(25):137~157.
[20]  孙大中,胡维兴.1993.中条山前寒武纪年代构造格架和年代地壳结构.北京;地质出版社,79~117.
[21]  王汝铮,颜耀阳,李惠民等.1996.山西五台山地区早前寒武纪年代构造格架.见:中国地质学会编."八五”地质科技重要成果学术交流会议论文选集.北京:冶金出版社,194~197.
[22]  Ahrens L H, Cherry R D, Erlank A J. 1967. Observations on the ThU relationship in zircons from granitic rocks and from kimberlites.Geochimica et Cosmochimica Acta, 31:2379~2387.
[23]  Bai Jin, Wang Ruzheng, Guo Jinjing. 1992. The major geologicalevents of early Precambrian and their age dating in Wutai Region.Beijing: Geological Publishing House, 34~53(in Chinese withEnglish abstract).
[24]  Davis D W. 1982. Optimum linear regression and error estimation applied to U-Pb data. Canadian Journal of Earth Science, 19:2141~2149.
[25]  Halls H C, Zhang B. 1995. Tectonic implications of clouded feldspar inProterozoic mafic dyke swarms. Geol. Soc. India, Memoir, 33:65~80.
[26]  Heaman L M, Brown R, Crocket J. 1990. The chemical compositionof igneous zircon suites: implications fro geochemical tracer studles. Geochimica et Cosmochimica Acta, 54:1597~1607.
[27]  Heaman L M, Le Cheminant A N. 1993. Paragenesis and U-Pb systematics of baddeleyite(ZrO2). Chemical Geology, 110:95~126.
[28]  Hou Guiting, Mu Zhiguo. 1994. K-Ar ages and their geological significance of late Precambrain mafic dyke swarms in North China Craton (in Chinese). Shanxi Geology, 9(3): 267~270. (in Chinesewith English abstract).
[29]  Hou Guiting,Zhang Chen, Qian Xianglin. 1999. The genetic mechanism and structural stress field for the Mesoproterozoic mafic dykeswarm of North China Craton. Geological Review, 44 (3): 309~314 (in Chinese with English abstract).
[30]  Hu Shiling, Wang Songshan, Sang Haiqing, et al. 1990. The isotopicage dating, rare earth element geochemistry of Damiaoanorthosite, and their geological implication. Scientia GeologicaSinica, (4): 332~343. (in Chinese with English abstract).
[31]  Hu Xiaodie, Chen Zhihong, Zhao Yanming, et al. 1997. The singlegrain zircon U-Pb isotopic age dating for the Xiaoyingpan gold deposit,Hebei. Research Progress of Precambrian Geology, 20(2):22~28(in Chinese with English abstract).
[32]  Krogh T E. 1973. A low contamination method for hydrothermal decomposition of zircon and extraction of U and Pb for isotopic agedeterminations. Geochimica et Cosmochimica Acta, 37: 485 ~494.
[33]  Krogh T E. 1982. Improved accuracy of U-Pb ages by the creation ofmore concordant systems using an air abrasion technique. Geochemica et Cosmochimica Acta, 46:637~649.
[34]  Li Huimin, Wang Ruzheng. 1997. The single-grain zircon U-Pb agedating of Fenghuangshan granite. Progress of Precambrian Research, 20 (3):56~62 (in Chinese with English abstract).
[35]  Li Jianghai, He Wenyun, Qian Xianglin. 1997. On the genetic mechanism of mafic dyke swarm and their implication of reconstructionof paleoplate. Geological Bulletin of Universities, 3(3): 271~281(in Chinese with English abstract).
[36]  Song Biao. 1993. The isochronological age dating and rare earth element geochemistry of Miyun rapakivi granite, its implication fororigin. The Bullletin of Geological Institute, China Academy ofGeological Science, 25:137~157 (in Chinese with English abstract).
[37]  Sun Dazhong, Hu Weixing. 1993. Precambrian chronotectonic framework and chronological crustal structure of Zhongtiao Mt. Beijing: Geological Publishing House, 79~117(in Chinese withEnglish abstract).
[38]  Wang Kaiyi. 1991. The preliminary study of Luyashang Paleoproterozoic quartz-monzonite, Shanxi. Bulletin of Science, 36: 685~687(in Chinese with English abstract).
[39]  Wang Ruzheng, Yan Yaoyang, Li Huimin, et al. 1996. The earlyPrecambrian chronological framework of Wutai metamorphic terrain, Shanxi. In: Geological Society of China. ed. Proceeding ofSymposium on Progress of Geological Science and Technologyduring the period from 1990 to 1995. Beijing: Metallurgical Publishing House, 194~197(in Chinese with English abstract).
[40]  Yu Jianhua. 1990. The geochemistry of rapakivi granite from BeijingProterozoic aulacogen. Acta geologica Sinica, 64(4):322~335(inChinese with English abstract).

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133

WeChat 1538708413