东昆仑野马泉铁铜矿区矿物特征研究
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摘要
东昆仑是当前成矿研究的热点区域,前人对该地区做了大量的成矿学与构造学研究[1-2],但对区域内的矿物以及矿区围岩的化学元素、微量元素等的研究不够精细。为进一步认识矿区与区域矿物特征,分析矿区成矿作用,通过对矿区矿物的标本观察,偏光显微镜观察,等离子体质谱仪分析等,对东昆仑野马泉矿区围岩的蚀变、化学元素、微量元素和矿区的矿物特征、化学元素、微量元素进行研究。结合前人研究成果,认为,该地区成床主要成矿物质来源为早古生代在祁漫塔格地区形成的一套由变质橄榄岩、堆晶杂岩、中酸性火山岩、硅质岩、碳酸岩等构成的岩石组合;野马泉地区主矿区的成矿类型为层控型热液反应改造型矿床;成矿元素Zn、Co、Ni、Cr、Ti等含量均高出地壳的丰度值。
Eastern Kunlun which was studied with metallogeny and tectonics by predecessors is hot spot region of research on mineralization. While research on the minerals in region as well as the chemical elements and trace elements in surrounding rock isn't elaborate. To study the mineral characteristics and analyse metallogenesis, chemical and trace elements and other characteristics of surrounding rock and mining area in YeMaQuan were researched through methods of mineral specimen observation, polarized light microscopy observation and Plasma mass spectrometer analysis etc. Combined with previous research results, following conclusions could be gotten: Major ore-forming materials in the region are the rock association of Qimantage area including metamorphic peridotite, cumulate diamictite, intermediate-acidic volcanic rocks,siliceous rock and carbonatite in early paleozoic; Metallogenic type of the main field in YeMaQuan is stratabound hydrothermal reaction renovation deposit; Value of Partial metallogenic elements including Zn、Co、Ni、Cr、Ti is higer than crust abundance value.
Eastern Kunlun which was studied with metallogeny and tectonics by predecessors is hot spot region of research on mineralization. While research on the minerals in region as well as the chemical elements and trace elements in surrounding rock isn't elaborate. To study the mineral characteristics and analyse metallogenesis, chemical and trace elements and other characteristics of surrounding rock and mining area in YeMaQuan were researched through methods of mineral specimen observation, polarized light microscopy observation and Plasma mass spectrometer analysis etc. Combined with previous research results, following conclusions could be gotten: Major ore-forming materials in the region are the rock association of Qimantage area including metamorphic peridotite, cumulate diamictite, intermediate-acidic volcanic rocks,siliceous rock and carbonatite in early paleozoic; Metallogenic type of the main field in YeMaQuan is stratabound hydrothermal reaction renovation deposit; Value of Partial metallogenic elements including Zn、Co、Ni、Cr、Ti is higer than crust abundance value.
引文
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[3]莫宣学,罗照华,邓晋福,等.东昆仑造山带花岗岩及地壳生长[J].高校地质学报,2007,03:403-414.
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[6]Huang H.,Niu Y.L.,Nowell G.,et al..Geochemical constraints on the petrogenesis of granitoids in the East Kunlun Orogenic belt,northern Tibetan Plateau:Implications for continental crust growth through syn-collisional felsic magmatism[J].Chemical Geology,2014,370(1):1-18.
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[8]张爱奎.青海野马泉地区晚古生代—早中生代岩浆作用与成矿研究[D].中国地质大学(北京),2012.
[9]丰成友,李东生,屈文俊,等.青海祁漫塔格索拉吉尔矽卡岩型铜钼矿床辉钼矿铼—锇同位素定年及其地质意义[J].岩矿测试,2009,03:223-227.
[10]Yuan W.M.,Zhang X.T.,Dong J.Q.,et al..A new vision of the intracontinental evolution of the eastern Kunlun Mountains,Northern Qinghai-Tibet plateau,China[J].Radiation Measurements,2003,36(1-6):357-362.
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[13]丁清峰,孙丰月,李钟山.青海东昆仑成矿带综合选区研究[J].中国地质,2007,06:1101-1108.
[14]丰成友,张德全,王富春,等.青海东昆仑复合造山过程及典型造山型金矿地质[J].地球学报,2004,04:415-422.
[15]赵俊伟.青海东昆仑造山带造山型金矿床成矿系列研究[D].吉林大学,2008.
[16]陈翠华,刘岳,何彬彬.东昆仑野马泉地区多金属矿产资源潜力评价[J].金属矿山,2011,02:90-94.
[17]周孝达.野马泉地区铁矿类型及其地质特征[J].青海地质,1979,02:1-9.
[18]李宏录,卫岗,曾宪刚,等.应用航磁资料在野马泉地区寻找以铁为主多金属矿产[J].物探与化探,2009,02:117-122+147.
[19]陈翠华,刘岳,何彬彬.东昆仑野马泉地区多金属矿产资源潜力评价[J].金属矿山,2011,02:90-94.
[20]王国灿,魏启荣,贾春兴,等.关于东昆仑地区前寒武纪地质的几点认识[J].地质通报,2007,08:929-937.
[21]李智明,薛春纪,王晓虎,等.东昆仑区域成矿特征及有关找矿突破问题分析[J].地质论评,2007,05:708-718.
[22]Isabella N.S.,Kathryn L.M.,Rebecca J.L.,et al..Christian Kinane,Philipp Gutfreund.Adsorption of Aerosol-OT at the calcite/water interface-Comparison of the sodium and calcium salts[J].Journal of Colloid and Interface Science,2014,418(1):140-146.
[23]Gozzi F.,Gaeta M.,Freda C.,et al..Primary magmatic calcite reveals origin from crustal carbonate[J].Lithos,2014,190-191(2):191-203.
[24]李宏录,刘养杰,卫岗,等.青海肯德可克铁、金多金属矿床地球化学特征及成因[J].矿物岩石地球化学通报,2008,04:378-383.
[25]Kirsten L.,Rasmussen,David R.,et al..Felsic magmatic phases and the role of late-stage aplitic dykes in the formation of the world-class Cantung Tungsten skarn deposit,Northwest[J].Ore Geology Reviews,2011,41(1):75-111.
[26]Xie X.J.,Cheng H.X..Sixty years of exploration geochemistry in China[J].Journal of Geochemical Exploration,2014,139(1):4-8.
[27]雷玮琰,施光海,刘迎新.不同成因锆石的微量元素特征研究进展[J].地学前缘,2013,04:273-284.
[28]熊小林,Adam J.,Green T.H.,等.变质玄武岩部分熔体微量元素特征及埃达克熔体产生条件[J].中国科学(D辑:地球科学),2005,09:41-50.
[29]Zhai D.G.,Liu J.J.,Zhang H.Y.,et al..Origin of oscillatory zoned garnets from the Xieertala Fe-Zn skarn deposit,northern China:In situ LA-ICP-MS evidence[J].Lithos,2014,190-191(1):279-291.
[30]刘云华,莫宣学,张雪亭,等.东昆仑野马泉地区矽卡岩矿床地球化学特征及其成因意义[J].华南地质与矿产,2006,03:31-36.
[31]赵一鸣,丰成友,李大新,等.青海西部祁漫塔格地区主要矽卡岩铁多金属矿床成矿地质背景和矿化蚀变特征[J].矿床地质,2013,01:1-19.
[32]Bakhterev V.V.,Kuznetsov A.Z..High-temperature conductivity of magnetite ores in relation to their genesis and mineral composition(by the example of the Goroblagodatskoe skarn-magnetite deposit)[J].Russian Geology and Geophysics,2012,53(2):209-213.
[33]张晓飞,李智明,陈博,等.东昆仑祁漫塔格地区滩间山群矽卡岩化成矿作用[J].西北地质,2012,01:40-47.
[34]周涛发,王彪,范裕,等.庐枞盆地与A型花岗岩有关的磁铁矿—阳起石—磷灰石矿床——以马口铁矿床为例[J].岩石学报,2012,10:3087-3098.
[35]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[J].岩石学报,2010,03:797-808.
[36]Maluski H..Behaviour of biotites,amphiboles,plagioclases and K-feldspars in response to tectonic events with the40Ar-39Ar radiometric method.Example of Corsican granite[J].Geochimica et Cosmochimica Acta,1978,42(11):1619-1633.
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