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新疆东天山铜镍矿资源潜力评价方法研究
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摘要
东天山是中国有色金属、贵金属的重要成矿带,是全国固体矿产资源十六个重点成矿区带之一。该区地层分布齐全,沉积建造多样,地质构造复杂,岩浆活动频繁,变质变形作用明显,成矿历史悠久,成矿地质条件优越,目前的工作程度相对较低,近年来国土资源大调查在该区不断获得新的突破,如找到土屋—延东斑岩型铜矿床、坡北铜镍硫化物矿床等。该区找矿潜力巨大。
     本文是以地球动力学和成矿系列理论为指导,以矿床模型综合地质信息预测技术为基本方法,以铜、镍为重点研究矿种,在充分搜集分析东天山地区以往地、物、化、遥及矿产勘查资料的基础上,对东天山铜、镍的未发现矿产资源开展科学的研究和评价。
     研究工作中基于GIS矿产资源评价平台集成了东天山地区的地质、矿产、化探、物探、重砂、遥感、地理信息、DEM(高程)等数据库;并且以地质为先验前提,对各种信息进行了综合解译,为靶区预测和资源量估算奠定了基础。
     论文对东天山地区黄山、黄山东和香山铜镍矿的成矿时代、大地构造位置、大地构造演化阶段、岩浆建造/岩浆作用、侵入岩浆构造、成矿构造、成矿特征、矿床资源量、航磁资料、重力资料、化探资料、遥感资料以及找矿线索等特征进行了系统分析和提炼,建立了该典型矿床的描述性模型和预测评价模型。
     研究区共圈定出与基性、超基性岩有关的铜、镍矿(黄山式)远景区119个,其中A类预测区6个,B类预测区28个,C类预测区85个,运用品位—吨位蒙特卡罗模拟法对铜、镍资源量进行估算,铜为453万吨,镍为448万吨;运用面金属量法预测铜资源量393万吨,镍资源量572万吨。
     论文对品位-吨位模型法重新进行了研究,根据我国该类矿床的实际情况,建立该类矿床的描述性模型和品位-吨位模型;论文还对西部工作程度低的地区未发现矿床数的估计方法进行了试验,取得了一定的效果;论文还针对面金属量法进行了重大改进,使预测结果更加合理。
East Tianshan area is an important metallogenic belt of nonferrous metal and precious metal, and also one of the sixteen important metallogenic regions of non-fuel mineral resources in China. There has complete stratum, multiform sedimentary formations, complicated geologic structure, frequent magmatic activities, obvious metamorphosis, long metallogenic history and ascendant mineralization condition. But, it also has relatively lower working density. The exploration breakthroughs have been made in recent National Land and Resources Survey. Tuwu-Yandong porphyry copper deposit and Pobei copper-nickel sulfide deposit, for instance have been found, which foreshows great potential in this area.
     Based on geodynamics and mineralization series theory, methodology of deposit modeling and mineral resource potential assessment using integrated geological information has been used to predict the unfound recourses of copper and nickel in east Tianshan area. During the research, the all-sided data of geologic, deposits(occurrences), geophysical, geochemical and remote sense have been synthetically analyzed again.
     Individual databases of mineral resources, geochemical, geophysical, remote sensing, geographic information, DEM and others have been integrated into one integrative database. On the basis of geological research, all kinds of information are explained, which established foundation for target areas delineating and resources estimating.
     In this paper, metallogenic epoch, geotectonic location, geotectonic evolutionary phase, magmatic formation, magmatic structure, metallogenic structure, metallogenic feature, reserve, aeromagnetic data, gravity data, geochemical data, remote sensing data, prospecting ore clue and etc. were studied, of which the descriptive model and prospecting model have been established.
     About copper and nickel sulfide deposits related to basic-ultrabasic rocks (Huangshan style), 119 tracts were selected out with 6 of class A, 28 of class B and 113 of class C. Total resource of copper of this style is 3.93 Mt (estimated by areal productivity method) or 4.53 Mt (estimated by grade-tonnage Monte Carlo Simulation method); Total resource of nickel of this style is 5.72 Mt (estimated by areal productivity method) or 4.48 Mt (estimated by grade-tonnage Monte Carlo Simulation method).
     According to feature of copper and nickel sulfide deposits, descriptive model and grade-tonnage model are studied and rebuilt. The method of estimating numbers of deposits in west area is tested and it seems effective. areal productivity method is improved on and the results predicted is more reseanable.
引文
[1]李裕伟,赵精满,李晨阳,等.基于6MS、9SS和GIS的潜在矿产资源评价方法[M].北京:地震出版社,2007,7-10.
    [2]USGS National Mineral Resource Team.Assessment of undiscovered deposits of gold,silver,copper,lead,and zinc in the United States[J].USGS Circular 1178,1998,1999.
    [3]USGS Western Minerals Team,US Department of Interior,USGS,Advanced resource assessment methods[01].http://mineral.usgs.gov/west/projects/aramdel.shtmal,2002.
    [4]赵鹏大.“三联式”资源定量预测与评价-数字找矿理论与实践探讨[J].地球科学—中国地质大学学报,2002,27(5):482-489.
    [5]赵鹏大,陈建平,张寿庭.“三联式”成矿预测新进展[M].地学前缘,2003,10(2):455-463.
    [6]王世称、陈永良、夏立显,综合信息矿产预测理论与方法,北京:科学出版社,2000,1-200。
    [7]Agterberg F P,Bonham-Catrer G F,Cheng Q and Wright D F.Weight of evidence modeling and weighted logistic regression for mineral potential mapping[A],in:J.Davis and U.C.Herzfeld(eds.),Computers in Geology-25 years of Progress,Oxford Unly.Press New York,1993,13-25.
    [8]Cox D P,Singer D A.Mineral deposit models[M],USGS bulletin1693,1986,379.
    [9]Cox D P.The development and use of mineral deposit models in the United States Geological Survey[J],Geological Association of Canada Special Paper,40,1993(1995),15-19.
    [10]Harris D P.Mineral resource appraisal[M].Oxford University press,1984.
    [11]Harris D P and Pan G.Mineral favorability mapping:a comparison of Artificial networks,logistic regression and discriminant analysis[J].Natural Resource Study,1999,8(2):93-109.
    [12]Singer D A and Kouda R.A comparison of weight-of evidence method and probabilitic neural networks[M].Natural Resources Research,1999,8(4):287-297.
    [13]Singer D A.Basic concepts in three quantitative assessments of undiscovered mineral resources[J].Nonrenewable Resources,1993,2(2):1-14.
    [14]黄杏元,马劲松,汤勤,等.地理信息系统概论[M].北京:高等教育出版社,1990,1-200。
    [15]王福同,庄道泽,胡建卫,等.物探在新疆土屋地区铜矿找矿中的应用—兼谈斑岩铜矿“三位一体”的找矿模式[J].中国地质,2001,28(3):40-46.
    [16]龙宝林,薛迎喜,冯京,等.新疆东天山斑岩铜矿的找矿模型试探[J].中国地质,2001,28(5):35-38.
    [17]张良臣,吴乃元.天山地质构造及演化史[J].新疆地质,1985,3(3):1-14.
    [18]成守德,王广瑞,杨树德,等.新疆古板块构造[J].新疆地质,1986,4(2):1-26.
    [19]肖序常,汤耀庆,冯益民,等.新疆北部及其邻区大地构造[M].北京:地质出版社,1992,1-200.
    [20]马瑞士,叶尚夫,王赐银,等.东天山造山带构造格架和演化[A].新疆地质科学,第二辑[C].北京,地质出版社,1990,21-36.
    [21]马瑞士,王赐银,叶尚夫,等.东天山构造格架及地壳演化[M].南京:南京大学出版社,1993,1-200.
    [22]马瑞士,舒良树,孙家齐.东天山构造演化与成矿[M].北京:北京出版社,1997,1-200.
    [23]周济元,茅燕石,黄志勋,等.东天山古大陆边缘火山地质[M].成都:成都科技大学出版社,1994,1-200.
    [24]周济元,张斌,张朝文,等.东天山古大陆边缘银、铼钼、金和铜矿地质[M].北京:地质出版社,1996,1-200.
    [25]姬金生,陶洪祥,曾章仁,等.东天山康古尔塔格地质与成矿[M].北京:地质出版社,1994,1-200.
    [26]何国琦,刘德权,李茂松,等.中国新疆古生代地壳演化与成矿[M].乌鲁木齐:新疆人民出版社,香港人民教育出版社,1994,1-200.
    [27]方国庆.东天山古生代板块构造特点及其演化模式[J].甘肃地质学报,1994,3(1):34-40.
    [28]芮宗瑶,王龙生,王义天,等.东天山斑岩型铜矿带及其大地构造格局[J].地质学报,2002, 76(1):83-94.
    [29]秦克章,方同辉,王书来,等.东天山板块构造分区、演化与成矿地质背景研究[J].新疆地质,2002,20(4):302-308.
    [30]李锦轶,王克卓,李文铅,等.东天山晚古生代以来大地构造与矿产勘查[J].新疆地质,2002,20(4):295-301.
    [31]王登红,李纯杰,陈郑辉,等.东天山成矿规律与找矿方向的初步研究[J].地质通报,2006,25(8):910-915.
    [32]陈毓川,王登红,徐志刚,等.对中国成矿体系的初步探讨[J].矿床地质,2006,25(2):155-163
    [33]陈毓川,王登红,肖克炎,等.中国西部优势矿产资源潜力评价技术及示范研究[内部资料].2006,1-300。
    [34]陈毓川,王登红,朱裕生,等.中国成矿体系与区域成矿评价[M],北京:地质出版社,2007,1-450.
    [35]毛景文,杨建民,屈文俊,等.新疆黄山东铜镍硫化物矿床Re-Os同位素测定及其地球动力学意义[J].地质学报,2003,2,244。
    [36]李华芹,谢才富,常海亮,等.新疆北部有色贵金属矿床成矿作用时代[M].北京:地质出版社,1998,1-264.
    [37]李月臣,赵国春,屈文俊,等.新疆香山铜镍硫化物矿床Re-Os同位素测定[J].岩石学报,22(1):245-251.
    [38]毛景文,杨建民,韩春明,等.东天山铜金多金属矿床成矿系统和成矿地球动力学模型[M].地球科学—中国地质大学学报,2002,27(1):413-424.
    [39]韩宝福,季建清,宋彪,等.新疆喀拉通克和黄山东含铜镍矿镁铁-超镁铁杂岩体的SHRIMP锆石U-Pb年龄及其地质意义[J].科学通报,2004,49(22):2424-2428.
    [40]秦克章,方同辉,王书来,等.吐哈盆地南缘古生代“天窗”卡拉塔格铜金矿化区的发现及其成矿潜力[J].中国地质,2001,28(3):16-23.
    [41]傅学明,郭原生,张铭杰,等.新疆黄山镁铁-超镁铁杂岩体岩体化学成分特征及其与含矿性关系[J].兰州大学学报,1993,29(3):213-221.
    [42]倪志耀.新疆哈密黄山东镁铁-超镁铁杂岩体成因探讨[J].西北地质,1992,13(2):9-16.
    [43]王玉往,王京彬,王莉娟,等.新疆哈密黄山地区铜镍硫化物矿床的稀土元素特征及意义[J].岩石学报,2004,20(4):935-948。
    [44]白云来.新疆黄山地区蛇绿岩块的地质、地球化学特征及构造意义[J].新疆地质,1993,11(1):34-42.
    [45]庄道泽.新疆东天山成矿地质条件与综合信息预测模型研究[D].长春:吉林大学,2004,1-145.
    [46]陈世平.新疆哈密地区矿产资源成矿规律及评价研究[D].北京:中国地质科学院,2006,1-200.
    [47]郭宏,李霞,毛启贵,等.新疆东天山岩浆铜镍硫化物矿床地质特征及成矿环境[J].新疆地质,2006,24(2):135-140.
    [48]邓振球,李锡鸿,王欣观.重、磁力测量在发现新疆黄山铜镍矿中的应用[J].新疆地质,1995,13(1):84-92.
    [49]龚庆杰,张德会,韩东昱,等.一种确定地球化学异常的简便方法[J].地质地球化学,2001,29(3):215-220.
    [50]彭省临,杨中宝,李朝艳,等.基于GIS确定地球化学异常下限的新方法[J].地球科学与环境学报,2004,26(3):28-31.
    [51]李金荣.水文地质数值模拟中克里格的应用研究[D].西安:长安大学,2001,1-90.
    [52]杨毅恒,韩燕,徐兵,等.多维地学数据处理技术与方法[M].北京:科学出版社,2002,1-208.
    [53]王建明.重磁异常变换中的延拓问题[J].新疆有色金属,2006,(2):11-16.
    [54]邓一谦.重磁异常的解析延拓[J].物探化探计算技术,1982,(1):88-92.
    [55]熊光楚.矿产预测中重磁异常变换的若干问题:一总磁场强度观测结果的化极问题[J].物探与化探,Vol.16,No.4,Aug.,1992,247-253.
    [56]熊光楚.矿产预测中重磁异常变换的若干问题:二、向上延拓的作用及问题[J].物探与化探,1992,16(5):358-364.
    [57]熊光楚.矿产预测中重磁异常变换的若干问题:三、向上延拓高度与研究深度的关系[J].物探与化探,1992,16(6):452-455.
    [58]熊光楚.矿产预测中重磁异常变换的若干问题:四重磁异常的水平导数及其应用[J].物探与化探,Vol.16,No.6,Feb.,1993,27-32.
    [59]薛琴访.场论[M].北京:地质出版社,1978,1-100.
    [60]梅安新,彭望路,秦其明,等.遥感导论[M],高等教育出版社,2001,1-324.
    [61]傅文杰.遥感矿化蚀变信息提取中两种新方法的应用研究[D].长沙:中南大学,2006,1-108.
    [62]张廷斌.西藏谢通门县铜金矿带遥感图像蚀变信息提取及多源数据融合在成矿预测中的应用[D].成都:成都理工大学,2006,1-50.
    [63]廖崇高,陈建平,刘登中.兰坪盆地遥感地质及化探综合分析在成矿预测中的应用[J].国土资源遥感,1999,42(4):17-18.
    [64]王四龙,王西华.北京地区遥感环形构造信息提取与金矿预测[J].地质与勘探,1996,32(4):36-39.
    [65]常青.甘肃北山南带岩(矿)石波谱特征的初步研究[J].甘肃地质学报,1999,8(1):49-55.
    [66]刘莉.基于ENVI青海茫崖地区遥感数据矿化信息提取[D].长沙:中南大学,2006,1-91.
    [67]赵鹏大,胡旺亮,李紫金,等.矿产统计预测[M].北京:地质出版社,1983,1-115.
    [68]王世称,范继璋,杨永华,等.矿产资源评价[M].吉林:吉林科学技术出版社,1987,151-157.
    [69]Bonham-Carter G F.Geographic information systems for geoscientists:Modelling with GIS[M],Pergram on/ Elsevier Science Publications,1996,398.
    [70]Agterberg F P.Computer programs for mineral exploration[J],Science,1989,245:76-81.
    [71]Agterberg F P,Bonham-Carter G F,Wright D F,Statistical pattern integration for mineral exploration[M]//Gaal G,Merriam D F.Computer Application in Resource Exploration and Assessment for Minerals and Petroleum,Oxford:Pergamon,1990,1-21.
    [72]严光生,邱瑞照,连长云,等.中国大陆斑岩铜矿资源潜力定量评价[J].地学前缘,2007,27-41.
    [73]Singer,.D.A.,Menzie,W.D.,and Long,K.R.,1998,A simplified economic filter for open-pit gold-silver mining in the United States[R].U.S.Geological Survey Open -File Report,98-207.
    [74]Singer,D.A.,Menzie,W.D.,Sutphin,David,Mosier,D.L.,and Bliss,J.D.,2001,Mineral deposit density-an update[R],in Schulz,K.J.,ed.,Contributions to global mineral resource assessment research:U.S.Geological Survey Professional Paper 1640-A,p.A1-A13.
    [75]叶天竺,肖克炎,严光生.矿床模型综合地质信息预测研究技术[J].地学前缘,2007,14(5):11-19.
    [76]David,H.R.,David,M.and William,A.S.Computer Monte Carlo Simulation in Quantitative Resource Estimation[R].U.S.Geological Survey,1992,125-138.
    [77]李文渊.岩浆Cu-Ni-PGE矿床研究现状及发展趋势[J].西北地质,2007,2,1-28.
    [78]黄崇轲,白冶,朱裕生,等.中国铜矿床(上册)[M].北京:地质出版社,2001,1-200.
    [79]张旗.镁铁-超镁铁岩与威尔逊旋回[J].岩石学报,1992,8(2):169-172.
    [80]裴荣富.中国矿床模式[M].北京:地质出版社,1995,1-200.
    [81]汤中立,闫海卿,焦建刚,等.中国小岩体镍铜(铂族)矿床的区域成矿规律[J].地学前缘,2007,14(5):92-103.
    [82]吴承烈,徐外生,刘崇民.中国主要类型铜矿勘查地球化学模型[M].北京:地质出版社,1998,1-200.
    [83]章午生,陈杰.超基性岩中含铜钴块状硫化物矿床-德尔尼铜矿成因新认识[J].青海地质,1996,1,32-57.

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