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  2011 

西准噶尔达尔布特SSZ型蛇绿杂岩的地球化学证据及构造意义

Keywords: 达尔布特蛇绿杂岩,地球化学,构造环境,弧后盆地,西准噶尔,新疆

Full-Text   Cite this paper   Add to My Lib

Abstract:

西准噶尔达尔布特蛇绿杂岩中的蛇纹岩,表现为低TiO2、Al2O3、CaO和全碱,富MgO、Mg?#值高,稀土总量(∑REE)低、LREE富集、稀土配分曲线呈“凹”型或“U”型,是原始地幔发生部分熔融的亏损地幔岩。辉长岩、玄武岩特征为稀土总量(∑REE)较低、轻稀土(LREE)亏损、高场强元素不分异,类似于NMORB;同时不同程度地富集大离子亲石元素LILE,亏损Nb、Ta等。表明该蛇绿杂岩是较为典型的消减带(SSZ)型蛇绿岩,结合新获得的391±6Ma的同位素年龄分析,在中泥盆世,西准噶尔主洋盆已开始消减,大陆板块已开始汇聚。

References

[1]  Hedge C E,Strontium isotopes in basahs from the pacific ocean basin,Earth and Planetary Science Letters? ,1978, 38.
[2]  Graham I T;Franklin B J;Marshall B,Tectonic significance of 400 Ma zircon ages for ophiolitic rocks from the Lachlanfoldbelt,Geology,1996(12).
[3]  Gass I G,Is the Troodos Massif of Cyprus a fragment of Mesozoic oceanic floor,Nature? ,1968, 220.
[4]  Frey F A,Rare earth element abundance in upper mantlrocks,Elesevier Science Letters,1984.
[5]  Dewey J F;Bird J,Origin and emplacement of the ophiolite suite:Appalachian ophiolites in Newfoundland,Journal of Geophysical Research? ,1971, 76.
[6]  Condie KC,Ceochemical changes in basalts and andsites across the Archaena-Proterozoic boundary:Identification and significance,Lithos? ,1989, 23.
[7]  Coleman R G;Keith T E C,A chemical study of serpentinization--Burro Mountain,California,Journal of Petrology,1971.
[8]  Coleman R G,Ophiolites,北京:地质出版社,1982.
[9]  Coleman R G,Ophiolites:Ancient Oceanic Lithosphere,Betlin:Springer-Verlag,1977.
[10]  朱永锋;徐新,西准噶尔白碱滩二辉橄榄岩中两种辉石的出溶结构及地质意义,岩石学报,2007(05).
[11]  朱永锋;徐新,新疆塔尔巴哈台发现早奥陶世蛇绿岩,岩石学报,2006(12).
[12]  朱永峰;徐新;陈博;薛云兴,西准噶尔蛇绿混杂岩中的白云石大理岩和石榴角闪岩:早古生代参与洋壳深俯冲的证据,岩石学报,2008.
[13]  朱宝清;王来生;王连晓,西准噶尔西南地区古生代蛇绿岩,北京:地质出版社,1987.
[14]  钟立峰;夏斌;崔学军;周国庆 陈根文 韦栋梁.藏南罗布莎蛇绿岩辉绿岩中锆石SHRIMP测年[J].地质论评,2006(02)
[15]  张弛;黄萱,新疆西准噶尔蛇绿岩形成时代和环境的探讨,地质论评,1992.
[16]  新疆维吾尔自治区地质矿产局,新疆维吾尔自治区区域地质志,北京:地质出版社,1999.
[17]  新疆维吾尔自治区地质矿产局,新疆维吾尔自治区区域地质志,北京:地质出版社,1993.
[18]  肖序常;汤耀庆;李锦轶,新疆北部及其领区大地构造,北京:地质出版社,1992.
[19]  王懿圣;张金生,达尔布特蛇绿岩带基本地质特征及成因模式讨论,北京:地质出版社,1982.
[20]  白文吉;杨经绥;施倪承;方青松 代明泉 熊明 颜秉刚.西藏罗布莎蛇绿岩地幔岩首次发现超高压矿物方铁矿和自然铁[J].地质论评,2004(02)
[21]  冯鸿儒;李旭;刘继庆,西准噶尔达拉布特断裂系构造演化特征,西安地质学院学报,1990(02).
[22]  Wilson M,Igneous Petrogenesis,London:Unwin and Hyman,1989.
[23]  Wang Z H;Sun S;Li J L,Paleozoic tectonic evolution of the northern Xinjiang,China:Geochemical and geochronological constraints from the ophiolites,Tectonics? ,2003, 22(02).
[24]  Sun SS;McDonough WF,Chemical and isotopic systematics of oceanic basalts:Implications for mantle composition and process,Geological Society Special Publication? ,1989,.
[25]  Stern R I;Bloomer S H,Submarine are volcanismin the southern Mariana Arc as an ophinlite analogne,Tectonophysics? ,1989, 168.
[26]  Pearce J A;Lippard S J;Roberts S,Characteristics and tectonic significance of supra-subduction zone ophiolites,London:Blackwell Scientific Publications,1984.
[27]  Pearce J A,Supra-subduction zone ophiolites:Ophiolite concept and the evolution of geological thought,Geological Society of America Special Paper,2003.
[28]  Mullen E D,MnO/TiO《,2》/P《,2》 O《,5》:a minor element discrimination for basaltic tacks of oceanic environments and its implications for petrogenesis,Earth and Planetary Science Letters? ,1983, 62.
[29]  Moores E M;Vine F J,The Troodos massif,Cyprus and other ophiolites as oceanic crust:evaluation and implicat Philos,Transactions of the Royal Society of London,1971.
[30]  Meschede M,A method of discriminating between different types of mid-ocean ridge basalts and continental tholeiites with the Nb-ZrYdiagram,Chemical Geology? ,1986, 58.
[31]  Melson W G;Vallier T L;Wright T L,Chemical diversity of abyssal volcanic glass erupted along Pacific,Atlantic and Indian Ocean sea-floor spreading centers,Washington D C.Am.Geophys.Union,1976.
[32]  Scaiilling J G;Zajac M;Evans R,Pelrologic and geocaicmical variations along the Mid-Atlantic Riclgc from 27°N to 73°N,American Journal of Science,1983.
[33]  Alastair H.F. Robertson,Overview of the genesis and emplacement of Mesozoic ophiolites in the Eastern Mediterranean Tethyan region,Lithos?,2002, 65(1/2).
[34]  Pearce JA;Cann JR,Tectonic setting of basic volcanic rocks determined using trace element analyses,Earth and Planetary Science Letters? ,1973, 19.
[35]  Kwon S T;Tilton C R;Coleman R G,Isotopic investigation on the tectonic of the west Junggar,Xinjiang,China,Tectonics? ,1989, 8.
[36]  Kidd R G W,A model for the process of formation of the upper oceanic crust,Geophysical Journal of the Royal Astronmical Society,1977.
[37]  Kelemen P B;HanghФj K;Greene A R,One view of the geochemical of subduction-related magmatic arcs,with an emphasis on primitive andesite and lower crustal,Treatise on Geochemistry Elsevier,2003.
[38]  Jakes P;White A J R,Major and element abundances in volcanic rocks of orogenic areas,Bulletin of the Geological Society of America? ,1972, 83.
[39]  Ionow D A;Hofmann A W,Nb-Ta-rich mantle amphiboles and micas:Implications for subducton-related metasomatic trace element fractions,Earth and Planetary Science Letters,1995.
[40]  张旗;周国庆,中国蛇绿岩,北京:科学出版社,2001.
[41]  王希斌;郝梓国,中国造山带蛇绿岩的时空分布及构造类型,中国区域地质,1994.
[42]  王希斌;鲍佩声;戎合,中国蛇绿岩中变质橄榄岩的稀土元素地球化学,岩石学报,1995.
[43]  史仁灯.蛇绿岩研究进展、存在问题及思考[J].地质论评,2005(06)
[44]  刘希军;许继峰;王树庆;侯青叶 白正华 雷敏.新疆西准噶尔达拉布特蛇绿岩E-MORB型镁铁质岩的地球化学、年代学及其地质意义[J].岩石学报,2009(06)
[45]  雷敏;赵志丹;侯叶青;张宏飞,许继峰,陈岳龙,张本仁,刘希军.新疆达拉布特蛇绿岩带玄武岩地球化学特征:古亚洲洋与特提斯洋的对比[J].岩石学报,2008(04)
[46]  姜勇;李少贞;郑启之;李松龄,冯新昌,董富荣.西准噶尔达拉布特超镁铁岩岩石化学特征及形成环境[J].新疆地质,2003(02)
[47]  霍有光,西准噶尔达拉布特蛇绿岩稀土元素岩石化学特征及地质意义,北京:地质出版社,1985.
[48]  何国琦;刘建渡;张越迁;徐新.准噶尔盆地西缘克拉玛依早古生代蛇绿岩带的厘定[J].岩石学报,2007(07)
[49]  何国琦;李茂松;刘德权,中国新疆古生代地壳演化及成矿,乌鲁木齐:新疆人民出版社,1994.
[50]  辜平阳;李永军;张兵;佟丽莉 王军年.西准达尔布特蛇绿岩中辉长岩LA-ICP-MS锆石U-Pb测年[J].岩石学报,2009(06)
[51]  冯益民,西准噶尔蛇绿岩生成环境及其成因类型,北京:地质出版社,1986.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133