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...
地质学报  2011 

宁芜盆地花岗岩类的锆石U-Pb年龄、同位素特征及其意义

, PP. 821-833

Keywords: LA-ICPMSU-Pb定年,锆石,同位素,花岗岩类,宁芜盆地

Full-Text   Cite this paper   Add to My Lib

Abstract:

宁芜盆地中花岗岩类侵入体出露零星,以石英二长岩和花岗岩为主,研究程度薄弱。本文对盆地内主要的5个花岗岩类侵入体牛迹山岩体、霍里岩体、姑山岩体(姑山铁矿床钻孔中)、小石山岩体和娘娘山岩体进行了年代学、锆石Lu-Hf同位素、Nd-Sr同位素分析研究。这5个花岗岩类侵入体的LA-ICPMS锆石U-Pb年龄依次为128.0±1.7、126.4±1.3、129.8±1.6、130.1±1.5Ma、128.3±1.8Ma,形成于126~130Ma之间,均为早白垩世岩浆活动的产物,与姑山、娘娘山旋回火山岩活动时限相当,与玢岩型铁矿的成矿时代也相似。Nd-Sr同位素指示,宁芜盆地花岗岩类源于交代地幔源区,其性质接近于EMI型富集地幔,其形成与古板块的俯冲交代作用有关;姑山铁矿床钻孔中的姑山岩体锆石εHf(t)均为正值(7.644~13.910),可能指示了更多的地幔组分参与才是铁富集成矿的有利因素。盆地中的花岗岩类形成于中国东部岩石圈减薄高峰期的地球动力学背景,为典型张性构造应力体制的产物。

References

[1]  Zindler A;Hart S R Chemical Geodynamics [J] 1986 doi:10.1146/annurev.ea.14.050186.002425
[2]  Zhou Taofa;Fan Yu;Yuan Feng;Zhang Lejun Qian Bin Ma Liang Yang Xifei Cooke D R,Geochronology and significance of volcanic rocks in the Ning-Wu Basin of China,Science China (Earth Sciences),2011(02).
[3]  Zhou Taofa;Fan Yu;Yuan Feng;Lu Sanming Shang Shigui Cooke D R Meffre S Zhao Guochun,Geochronology of the volcanic rocks in the Lu-Zong basin and its significance,Science in China(Series D),2008(10).
[4]  Yuan Feng;Zhou Taofa;Liu Jun;Fan Yu,Cooke D R,Jowitt S M Petrogenesis of volcanic and intrusive rocks of the Zhuanqiao stage,Luzong Basin,Yangtze metallogenic belt,east China:implications for ore deposition [J] 2011 doi:10.1080/00206814.2010.496246
[5]  Yuan, HL ;Gao, S ;Dai, MN ;Zong, CL ;Gunther, D ;Fontaine, GH ;Liu, XM ;Diwu, C,Simultaneous determinations of U-Pb age, Hf isotopes and trace element compositions of zircon by excimer laser-ablation quadrupole and multiple-collector ICP-MS,Chemical geology?,2008, 247(1/2).
[6]  Weaver B L;Wood D A;Tarney J;Joron J L Role of subducted sediment in the genesis of ocean island basalts:Geochemical evidence from south Atlantic ocean islands [J] 1986 doi:10.1130/0091-7613(1986)14<275:ROSSIT>2.0.CO;2
[7]  Harris A C;Allen C M;Bryan S E;Campbell I H Holcombe R J and Palin J M,LA-ICP-MS U-Pb zircon geochronology of regional volcanism hosting the Alumbrera Cu-Au deposit:implications for porphyry-related mineralization,Mineral Deposits,2004(2).
[8]  B.Chen ;W.Tian ;B.M.Jahn,Zircon SHRIMP U-Pb ages and in-situ Hf isotopic analysis for the Mesozoic intrusions in South Taihang,North China craton:Evidence for hybridization between mantle-derived magmas and crustal components,Lithos?,2008, 102(1/2).
[9]  Tatsumoto M;Nakamura Y DUPAL anomaly in the sea of Japan:Pb,Nd and Sr isotopic variation at the eastern Eurasian continental margin [J] 1991 doi:10.1016/0016-7037(91)90068-G
[10]  Sun Weidong;Ling Mingxing;Yang Xiaoyong;Fan Weiming Ding Xing Liang Huaying,Ridge subduction and porphyry copper-gold mineralization:An overview,Science China Earth Science,2010(04).
[11]  刘海泉;闫峻;赵建新;安亚军,中国东部部分地区新生代岩石圈地幔的成因:主量和微量元素制约,岩石学报,2010(09).
[12]  胡文?,宁芜和庐枞地区陆相火山喷气沉积-热液叠加改造型铁、硫矿床,北京:地质出版社,1991.
[13]  胡劲平;蒋少涌,宁芜盆地浅成侵入岩的锫石U-Pb年代学和Hf同位素研究及其地质意义,高校地质学报,2010(3).
[14]  侯可军;袁顺达,宁芜盆地火山-次火山岩的锫石U-Pb年龄,Hf同位素组成及其地质意义,岩石学报,2010(03).
[15]  范裕;周涛发;袁峰;张乐骏,钱兵,马良,谢杰,杨西飞,宁芜盆地玢岩型铁矿床的成矿时代:金云母40Ar-a9Ar同位素年代学研究,地质学报,2011.
[16]  范裕;周涛发;袁峰;张乐骏,钱兵.马良,Cooke D R,宁芜盆地闪长玢岩的形成时代及对成矿的指示意义,岩石学报,2010(09).
[17]  范裕;周涛发;袁峰;钱存超 陆三明 Cooke D R,安徽庐江-枞阳地区A型花岗岩的LA-ICP-MS定年及其地质意义,岩石学报,2008(08).
[18]  第五春荣;孙勇;袁洪林;王洪亮,钟兴平,柳小明,河南登封地区嵩山石英岩碎屑锆石U-Pb年代学、Hf同位素组成及其地质意义,科学通报,2008(18).
[19]  陈毓川;盛继福;艾永德,梅山铁矿--一个矿浆热液矿床,1981.
[20]  许继峰;王强;徐义刚;赵振华.熊小林,宁镇地区中生代安基山中酸性侵入岩的地球化学:亏损重稀土和钇的岩浆产生的限制,岩石学报,2001(4).
[21]  徐夕生,谢昕,中国东南部晚中生代-新生代玄武岩与壳幔作用,高校地质学报,2005(03).
[22]  邢凤鸣;徐祥,安徽扬子岩浆岩带与成矿,合肥:安徽人民出版社,1999.
[23]  谢智;李全忠;陈江峰;高天山,庐枞早白垩世火山岩的地球化学特征及其源区意义,高校地质学报,2007(02).
[24]  吴福元;李献华;郑永飞;高山,Lu-Hf同位素体系及其岩石学应用,岩石学报,2007(02).
[25]  吴福元;葛文春;孙德有;郭春丽,中国东部岩石圈减薄研究中的几个问题,地学前缘,2003(03).
[26]  王元龙;张旗;王焰,宁芜火山岩的地球化学特征及其意义,岩石学报,2001(04).
[27]  《宁芜玢岩铁矿》编写组,宁芜玢岩铁矿,北京:地质出版社,1978.
[28]  常印佛;刘湘培;吴言昌,长江中下游铜铁成矿带,北京:地质出版社,1991.
[29]  林新多,岩浆-热液过渡型矿床,武汉:中国地质大学出版社,1999.
[30]  Pan Yuanming;Dong Ping The Lower Changjiang (Yangzi/Yangtze River) metallogenic belt,east central China:intrusionand wall rock-hosted Cu-Fe-Au,Mo,Zn,Ph,Ag deposits [J] 1999(04) doi:10.1016/S0169-1368(99)00022-0
[31]  Mao Jingwen;Xie Guiqing;Zhang Zuoheng;Li Xiaofeng Wang Yitian Zhang Changqing and Li Yongfeng,Mesozoie large-scale metallogenic pulses in North China and corresponding geodynamic settings (in Chinese with English abstract),Acta Petrologica Sinica,2005(01).
[32]  MING-XING LING ;XING DING,CRETACEOUS RIDGE SUBDUCTION ALONG THE LOWER YANGTZE RIVER BELT, EASTERN CHINA,Economic geology and the bulletin of the Society of Economic Geologists?,2009, 104(2).
[33]  Li Shuguang;Yang Wei,Deeoupling of surface and subsurface suture in the Dabie orogen and a continentcossisional lithospheric-wedging model:Sr-Nd-Ph isotopic evidence of Mesozoic igneous rocks in eastern China (in Chinese with English abstract),Chinese Science Bulletin,2003(08).
[34]  Hou Tomg;Zhang Zhaochong;Encarnacion J;Du Yangsong Zhao Zhidan Liu Junlai Geochemistry of Late Mesozoic dioritic porphyries associated with Kiruna-style and stratabound carbonate-hosted Zhonggu iron ores,Middle-Lower Yangtze Valley,Eastern China:Constraints on petrogenesis and iron sources [J] 2010(3-4) doi:10.1016/j.lithos.2010.07.009
[35]  Hou Tong;Zhang Zhaochong;Du Yangsong;Li Shunting Geology of the Gushan iron oxide deposit associated with dioritic porphyries,eastern Yangtze craton,SE China [J] 2009(6) doi:10.1080/00206810902823941
[36]  Black, LP ;Kamo, SL ;Allen, CM ;Davis, DW ;Aleinikoff, JN ;Valley, JW ;Mundil, R ;Campbell, IH ;Korsch, RJ ;Williams, IS ;Foudoulis, C,Improved Pb-206/U-218 microprobe geochronology by the monitoring of a trace-element-related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards,Chemical geology?,2004, 205(1-2).
[37]  Belousova E A;Griffin W L;Pearson N J Trace Element Composition and Catholuminescenee Properties of Southern African Kimberlitic Zircons [J] 1998 doi:10.1180/002646198547747
[38]  朱光;王道轩;刘国生;牛漫兰 宋传中,郯庐断裂带的演化及其对西太平洋板块运动的响应,地质科学,2004(01).
[39]  朱光;牛漫兰;刘国生;王勇生,谢成龙,李长城,郯庐断裂带肥东段走滑运动的40Ar/39Ar法定年,地质学报,2005(03).
[40]  周涛发;宋明义;范裕;袁峰 刘? 吴明安,安徽庐枞盆地中巴家滩岩体的年代学研究及其意义,岩石学报,2007(10).
[41]  周涛发;范裕;袁峰,长江中下游成矿带成岩成矿作用研究进展,岩石学报,2008(08).
[42]  中国科学院地球化学研究所,宁芜型铁矿床形成机理,北京:科学出版社,1987.
[43]  张旗;简平;刘敦一;王元龙 钱青 王焰 薛怀民,宁芜火山岩的锆石SHRIMP定年及其意义,中国科学d辑,2003(4).
[44]  翟裕生;姚书振;林新多,长江中下游地区铁铜矿床,北京:地质出版社,1992.
[45]  袁顺达;侯可军;刘敏,安徽宁芜地区铁氧化物-磷灰石矿床中金云母Ar-Ar定年及其地球动力学意义,岩石学报,2010(03).
[46]  袁峰;周涛发;范裕;陆三明,钱存超,张乐骏,段超,唐敏慧,庐枞盆地中生代火山岩的起源,演化及形成背景,岩石学报,2008(08).
[47]  余金杰,宁羌地区凹山和太山铁矿床中磷灰石sr同位素特征及意义,地质论评,2003(03).
[48]  余金杰;毛景文,宁芜玢岩铁矿钠长石40 A/39Ar定年及意义,自然科学进展,2002(10).
[49]  余金杰;毛景文;张长青,地幔流体与宁芜玢岩铁矿成矿--碳、锶同位素证据,自然科学进展,2007(09).
[50]  闫峻;刘海泉;宋传中;徐夕生.安亚军,刘佳,戴立群,长江中下游繁昌-宁芜火山盆地火山岩锆石U-Pb年代学及其地质意义,科学通报,2009(12).
[51]  薛怀民;董树文;马芳,长江中F游地区庐(江)-枞(阳)和宁(南京)-芜(湖)盆地内与成矿有关潜火山岩体的SHRIMP锆石U-Pb年龄,岩石学报,2010(9).
[52]  许文良;王冬艳;王清海;裴福萍 林景仟,华北地块中东部中生代侵入杂岩中角闪石和黑云母的40Ar/39Ar定年:对岩石圈减薄时间的制约,地球化学,2004(05).
[53]  马芳;蒋少?;薛怀民,宁芜盆地凹山和东山铁矿床中阳起石的激光39Ar-40Ar年代学研究,矿床地质,2010(02).
[54]  马芳;蒋少涌;姜耀辉;王汝成,凌洪飞,倪培,宁芜地区玢岩铁矿Pb同位素研究,地质学报,2006(02).
[55]  卢冰;蔺雨时,宁芜型铁矿床成因和成矿模式的探讨,矿床地质,1990(01).
[56]  刘洪;邱检生,安徽庐枞中生代富钾火山岩成因的地球化学制约,地球化学,2002(02).
[57]  唐红峰;赵志琦;黄荣生;韩宇捷 苏玉平,新疆东准噶尔A型花岗岩的锆石Hf同位素初步研究,矿物学报,2008(04).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133