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地质学报  2010 

新疆包古图中酸性岩浆侵位的P-T-fO2条件及岩体地球化学研究

, PP. 1017-1029

Keywords: 地球化学,氧逸度,花岗闪长斑岩,包古图,新疆

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Abstract:

西准噶尔包古图地区I号、II号、V号和VII号岩体(花岗闪长斑岩和白岗岩)侵位于下石炭统火山沉积地层中。侵入岩分为新鲜花岗闪长斑岩、绢云母绿泥石化花岗闪长斑岩和硅化花岗闪长斑岩三种,三类岩石具有相似的重稀土组成,而轻稀土的分异程度依次增强。与新鲜样品相比,蚀变花岗闪长斑岩的Rb、Th、U和Nb、Zr、Hf等元素明显富集,而Sr和Ti含量略低。花岗闪长斑岩具有较低的初始??87?Sr/??86?Sr比值(0.703634~?0.703760?)和较高的初始??143?Nd/??144?Nd比值(0.512575~0.512660),指示亏损地幔源区。包古图I号、II号花岗闪长斑岩结晶于中温(695~766℃)、低压(1.1~2.9kbr)条件下,具有较高的氧逸度(Log?f?O??2?=-15~-17),岩石形成之后经历了一个氧逸度升高的演化过程。绢云母绿泥石化和硅化过程中成矿元素Cu的含量明显升高,说明了流体作用对成矿的控制意义。

References

[1]  张连昌,万博,焦学军,张锐,西准包古图含铜斑岩的埃达克岩特征及其地质意义,中国地质,2006(3).
[2]  张连昌,万博,李文铅,唐红峰,新疆吐哈盆地南缘铜矿带含矿斑岩的地球化学及形成环境,岩石学报,2006(1).
[3]  张志欣,杨富全,闫升好,张锐,柴凤梅,刘锋,耿新霞,新疆包古图斑岩铜矿床成矿流体及成矿物质来源――来自硫、氢和氧同位素证据,岩石学报,2010(3).
[4]  张锐,张云孝,佟更生,新疆包古图铜矿地质特征及成因浅析,新疆乌鲁木齐,2005.
[5]  张锐,张云孝,佟更生,汪疆,李龙乾,新疆西准包古图地区斑岩铜矿找矿的重大突破及意义,中国地质,2006(6).
[6]  朱永峰,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其地质意义,岩石学报,2007(5).
[7]  朱永峰,徐新,魏少妮,宋彪,郭璇,西准噶尔克拉玛依OIB型枕状玄武岩地球化学及其地质意义研究,岩石学报,2007(7).
[8]  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:早古生代残余洋壳深俯冲的证据,岩石学报,2008(12).
[9]  Blundy J D,Holland T J B,Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer,Contributions to Mineralogy & Petrology,1990.
[10]  Cheng Y,Zhang R,Mineralization regularity of Cu-Au deposits in the Baogutu area,Western Junggar,Xinjiang,Geological Exploration,2006(4).
[11]  Deer W A,Howie R,Zussman J,Rock-forming minerals,Vol.4,2-nd Edition,Framework silicates:Feldspars,London:The Geological Society,2001.
[12]  Eugster H P,Wones D R,Stability relations of the ferruginous biotite,annite,Journal of Petrology,1962.
[13]  成勇,张锐,新疆西准包古图地区铜金矿成矿规律浅析,地质与勘探,2006(4).
[14]  韩宝福,季建清,宋彪,陈立辉,张磊,新疆准噶尔晚古生代陆壳垂向生长(1):后碰撞深成岩浆活动的时限,岩石学报,2006(5).
[15]  何国琦,刘建波,张越迁,徐新,准噶尔盆地西缘克拉玛依早古生代蛇绿混杂岩带的厘定,岩石学报,2007(7).
[16]  芮宗瑶,刘玉琳,王龙生,王义天,新疆东天山斑岩型铜矿带及其大地构造格局,地质学报,2002(1).
[17]  芮宗瑶,张立生,陈振宇,王龙生,刘玉琳,王义天,斑岩铜矿的源岩或源区探讨,岩石学报,2004(2).
[18]  沈远超,金成伟,西准噶尔地区岩浆活动与金矿化作用,北京:科学出版社,1993.
[19]  申萍,沈远超,刘铁兵,张锐,王京彬,张云孝,孟磊,王丽娟,汪疆,新疆包古图斑岩型铜钼矿床容矿岩石及蚀变特征,岩石学报,2009(4).
[20]  宋会侠,刘玉琳,屈文俊,宋彪,张锐,成勇,新疆包古图斑岩铜矿矿床地质特征,岩石学报,2007(8).
[21]  唐功建,王强,赵振华,Derek A.Wyman.,陈海红,贾小辉,姜子琦,西准噶尔包古图成矿斑岩年代学与地球化学:岩石成因与构造、铜金成矿意义,地球科学-中国地质大学学报,2009(1).
[22]  万博,张连昌,新疆阿尔泰东南缘卡拉先格尔铜矿带含矿斑岩地球化学及其成矿意义,中国地质,2006(3).
[23]  王玉往,王京彬,王书来,王莉娟,丁汝福,蒲克信,新疆富蕴希力库都克地区岩浆混合作用及其成矿意义,地质学报,2008(2).
[24]  王瑞,朱永峰,西准噶尔宝贝金矿地质与容矿火山岩的锆石SHRIMP年龄,高校地质学报,2007(3).
[25]  魏斐,刘玉琳,郭国林,张锐,张云孝,汪疆,包古图斑岩铜矿床的钛矿物特征及其成因意义,岩石学报,2009(3).
[26]  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.
[27]  徐新,何国琦,李华芹,丁天府,刘兴义,梅绍武,克拉玛依蛇绿混杂岩带的基本特征和锆石SHRIMP年龄信息,中国地质,2006(3).
[28]  许发军,夏方,托里县包古图斑岩型铜金矿地质特征,新疆有色金属,2003(增刊).
[29]  Liu Y L,Guo L S,Song H X,Geochronology of Baogutu porphyry copper deposit in Western Junggar area,Xinjiang of China,Science in China(Series D),2009(10).
[30]  芮宗瑶,刘玉琳,王龙生,王义天,新疆东天山斑岩型铜矿带及其大地构造格局,地质学报,2002(1).
[31]  Rui Z Y,Zhang L S,Chen Z Y,Wang L S Liu Y L Wang Y T,Approach on source rock or source region of porphyry deposits,Acta Petrologica Sinica,2004(2).
[32]  Schmidt M W,Amphibole composition in tonalite as a function of pressure:an experimental calibration of the Al-in-hornblende barometer,Contributions to Mineralogy & Petrology,1992.
[33]  Shen Y C,Jin C W,Magmatism and gold mineralization in Western Junggar,北京:科学出版社,1993.
[34]  Shen P,Shen Y C,Liu T B,Zhang R Wang J B Zhang Y X Meng L Wang L J Wang J,Host-rocks and alteration characters of the Baogutu porphyry copper-molybdenum deposit in Xinjiang,NW China,Acta Petrologica Sinica,2009(4).
[35]  Song H X,Liu Y L,Qu W J,Song B Zhang R Cheng Y,Geological characters of Baogutu porphyry copper deposit in Xinjiang,NW China,Acta Petrologica Sinica,2007(8).
[36]  Tang G J,Wang Q,Zhao Z H,Wyman D A Chen H H Jia X H Jiang Z Q,Geochronology and geochemistry of the ore-bearing porphyries in the Baogutu area (western Junggar):petrogenesis and their implications for tectonics and Cu-Au mineralization,Earth Science--Journal of China University of Geoscience,2009(1).
[37]  Sun S S,McDonough W F,Chemical and isotope systematics of oceanic basalts:implication for mantle composition and processes,Geological Society of London,Special Publication,1989.
[38]  Wan B,Zhang L C,Geochemistry of ore-bearing porphyries in the Kalaxianger copper belt on the southeastern margin of the Altay Mountains,Xinjiang,Geology in China,2006(3).
[39]  Wang Y W,Wang J B,Wang S L,Wang L J Ding R F Pu K X,Magma mixing in the Xilikuduke area,Fuyun county,Xinjiang and its mineralization significance,Acta Geologica Sinica,2008(2).
[40]  Wang R,Zhu Y F,Geology of Baobei gold deposit in western Junggar and zircon SHRIMP age of its wall-rock,Western Junggar (Xinjiang,NW China),Geological Journal of China Universities,2007(3).
[41]  魏斐,刘玉琳,郭国林,张锐,张云孝,汪疆,包古图斑岩铜矿床的钛矿物特征及其成因意义,岩石学报,2009(3).
[42]  Wones D R,Significance of the assemblage titanite + magnetite + quartz in granitic rocks,American Mineralogist,1989.
[43]  Xu X,He G Q,Li H Q,Ding T F Liu Y X Mei SH W,Basic characteristics of the Karamay ophiolitic melange,Xinjiang,and its zircon SHRIMP dating,Geology in China,2006.
[44]  Xu F J,Xia F,Geological characters of Baogutu porphyry copper depositin Tuoli country,Xinjiang non-ferrous,2003(supplement).
[45]  Zhang L C,Wan B,Jiao X J,Zhang R,Characteristics and geological significance of adakitic rocks in copper-bearing porphyry in Baogutu,Western Junggar,Geology in China,2006(3).
[46]  Zhang L C,Wan B,Li W Q,Tang H F,Geochemistry and tectonic setting of copper-bearing porphyries on the southern margin of Tuha basin,Xinjiang,Acta Petrologica Sinica,2006(1).
[47]  Zhang Z X,Yang F Q,Yan S H,Zhang R Chai F M Liu F Geng X X,Sources of ore-forming fluids and materials of the Baogutu porphyry copper deposit in Xinjiang:constrains from sulfur-hydrogen-oxygen isotopes geochemistry,Acta Petrologica Sinica,2010(3).
[48]  Zhang R,Zhang Y X,Tong G S,Geological characteristics and origin of Baogutu copper deposit in Xinjiang,Urumq,2005.
[49]  Zhang R,Zhang Y X,Tong G S,Wang J Li L Q,Major breakthrough in copper exploration in the Baogutu porphyry copper deposit,Western Junggar,Xinjiang,and its significance,Geology in China,2006(6).
[50]  Zhu Y F,Li Y C,Xu X,International workshop on "Central Asia Orogenesis and Metallogeny",Episodes,2008.
[51]  Zhu Y F,Xu X,Exsolution texture of two-pyroxenes in lherzolite from Baijiantan ophiolitic m lang,western Junggar,China,Acta Petrologica Sinica,2007.
[52]  Zhu Y F,Xu X,Wei S N,Geochemistry and tectonic significance of OIB-type pillow basalts in western Mts.of Karamay city (western Junggar),NW China,Acta Petrologica Sinica,2007(7).
[53]  Zhu Y F,Xu X,Chen B,Xue Y X,Dolomite marble and garnet amphibolite in the ophiolitic mlange in western Junggar:relics of the Early Paleozoic oceanic crust and its deep subduction,Acta Petrologica Sinica,2008(12).
[54]  Zhu Y F,Zeng Y S,Gu L B,Geochemistry of the rare metal-bearing pegmatite no.3 vein and related granites in the Keketuohai region,Altay mountains,northwest China,Journal of Asian Earth Sciences,2006.
[55]  Han B F,Ji J Q,Song B,Chen L H Zhang L,Late Paleozoic vertical growth of continental crust around the Junggar Basin,Xinjiang,China (part 1):Timing of post collisional plutonism,Acta Petrologica Sinica,2006(5).
[56]  He G Q,Liu J B,Zhang Y Q,Xu X,Karamay Ophiolitic melange formed during Early Paleozoic in western Junggar basin,Acta Petrologica Sinica,2007(7).
[57]  Helmy H M,Ahmes A F,El Mahallawi M M,Ali S M,Pressure,temperature and oxygen fugacity conditions of calc-alkaline granitoids,Eastern Desert of Egypt,and tectonic implications,Journal of African Earth Sciences,2004.
[58]  Mungall J E,Roasting the mantle:Slab melting and the genesis of major Au and Au-rich Cu deposits,Geology,2002(10).
[59]  Leak B E,Woolley A R,Birch W D,Nomenclature of Amphiboles:Report of the Subcommittee on Amphiboles of the International Mineralogical Association Commission on New Minerals and Mineral Names,Mineralogical Magazine,1997.

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