用户名: 密码: 验证码:
济宁铁矿矿床地质特征及成因探讨
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
济宁铁矿是山东省储量最大的铁矿之一,也是埋深最深的铁矿之一。为了服务深部矿床的勘查找矿,对济宁铁矿的矿床特征与矿床成因研究迫在眉睫。本文从区域地质和济宁岩群特征入手,分析研究矿床形态特征、含铁建造的沉积相和变质作用等,进而总结济宁铁矿的矿床地质特征。利用矿床地质特征、矿床的地球化学特征析等资料,从成矿物质来源、铁的迁移与富集、成矿物理化学条件以及变质作用对矿床的影响等几方面阐述了矿床的成因。
     通过以上研究得出,济宁铁矿矿体呈层状或似层状赋存于济宁岩群中,且被两条断层切割,矿石的主要成分为磁铁矿和石英,磁铁矿在矿石中聚合成暗色条带,宽窄不等,且与石英呈条带-稠密侵染状构造。磁铁石英岩是引起济宁地区重磁异常的主要原因,重磁异常特征反映了矿体的位置与形态。通过济宁铁矿与其他BIF的对比,利用矿床地质特征、地球化学特征等对其成因进行了研究,最终得出济宁铁矿是不同于以往发现的BIF的新型矿床,其成矿物质主要来源于侵蚀状态下的太古宙克拉通绿岩带,铁的主要运移形式为胶体和真溶液。认为矿床的成因类型为沉积变质型铁矿床,其变质程度低于早前寒武纪的磁铁石英岩铁矿
Jining iron mine is one of the biggest iron mines which is also one of the deepest iron mines in Shandong. It was necessary to study the deposit characteristics and ore genesis of Jining iron mine for serving the exploration of deep ore body. This paper started from regional geology and characteristics of Jining rock group, and explained the deposit characteristics by analyzing deposit' morphology, sedimentary facies and metamorphic facies. And it recounted the ore genesis by studying ore-forming material source, Migration and Enrichment of iron, metallogenic physical chemical condition and effects of metamorphism.
     Through the above study, It could be obtained that the orebody lays in Jining rock group by stratified or stratiform-like, and cut by two faults, the main components of iron ore are magnetite and quartz, magnetite polymerization into dark bands and the bands'width are unequal, bands-dense infection structure which made from magnetite dark bands and quartz, sericite, chlorite light color bands can be seen. magnetite-quartzite is the most t important cause to cause the gravity and magnetic anomaly of Jining area, the characteristics of gravity and magnetic anomaly reflects the form and position of the orebody. The ore genesis were studied by comparison of Jining iro mine and the other BIF, and analysised the geological characteristics of deposit and geochemical characteristics. Finally obtained that Jining iro mine is a new type iro mine which is different from the othe BIF which discoved early. Its ore-forming material source is corroded archean craton greenstone belt, the migration form of ferrum is colloid and true solution. It is considered that the genetic type of deposit is metamorphic sedimentary iron deposit, Its metamorphic grade lower than early precambrian magnetite-quartzite iron mine.
引文
[1]宋明春,李培远,熊玉新等.山东省济宁强磁异常区深部铁矿初步验证及其意义[J].地质学报,2008,(9):1285-1291.
    [2]孔庆友,张天帧,于学峰,徐军祥等.山东矿床[M].济南:山东科学技术出版社,2006:291-350.
    [3]曹国权.鲁西前寒武纪地质[M].北京:地质出版社,1996:167-175.
    [4]张秋生.中国早前寒武纪地质及成矿作用[M].长春:吉林人民出版社,1984:100-128.
    [5]沈保丰,翟安民,杨春亮,曹秀兰.中国前寒武纪铁矿床时空分布和演化特征[J].地质调查与研究,2005,(4):196-206.
    [6]韩玉珍,王世进,李培远.济宁颜店铁矿地质特征及济宁岩群含矿性研究[J].山东国土资源,2008,(2):3-8.
    [7]亓润章.蚌埠.济宁两地区下元古代地层中与铁矿有关的变质火山岩[J].华东地质,1979,(2):146.
    [8]徐军祥.山东省深部找矿进展与启示[J].地质调查与研究,2008,(03):176-179
    [9]陈吉涛.鲁西晚寒武世沉积环境与层序地层研究[D]山东科技大学,2007.
    [10]李国新.山东地区早寒武世层序岩相古地理研究[D].中国优秀博硕士学位论文全文数据库(硕士),2006,(12).
    [11]张雷.塔里木盆地塔中地区志留系层序地层学研究[D].中国优秀硕士学位论文全文数据库,2007,(02).
    [12]翟明国;Windley; B.F.Sills; J.D.;杨瑞英;韩松;.鞍本太古代条带状铁建造(BIF)的稀土及微量元素特征 [J].地球化学,1989,(03):183-190.
    [12]胡受奚,郭继春,叶瑛;鞍前寒武纪成矿作用与地球动力学的关系[J].国外前寒武纪地质,1994,(03).211-217.
    [13]骆辉,陈志宏,沈保丰;五台山区太古宙铁建造型金矿的成矿年龄[J].前寒武纪研究进展,1999,(02).11-17.
    [14]邱俊;吕宪俊;李全京;杜飞飞;孙丽军;山东汶上低品位铁矿石的矿物学特征及磁选实验研究[J].矿物岩石,2009,(02).12-17.
    [15]Joseph B. Whalen,Kenneth L. Currie,Bruce W. Chappell; A-type granites:geochemical characteristics, discrimination and petrogenesis [J]. Contributions to Mineralogy and Petrology,1987,95,(4):21-26.
    [15]卜保全,洪东良,刘晓明;皖南桃冲铁矿床成因探讨[J].昆明冶金高等专科学校学报矿物岩石,2002,(03).23-25.
    [16]薛义军;小官庄铁矿矿床地质特征分析[J].矿业工程,2007,(06).16-18.
    [17]张霄.浅谈新疆新源县苏洛铁矿地质成因及矿床成因评价[J].新疆有色金属,2007,(S2):1-3.
    [18]童满云.铁米尔特铁矿地质特征及矿床成因浅析[J].新疆有色金属,2007,(S1):4144.
    [19]张芬英;霍海清;郝丽红;范丽琨;蔡岩萍;窦洪伟.都兰县洪水河铁矿地质特征及成因分析[J].黄金科学技术.2009(3):35-39.
    [20]金永新,闫绍波,刘超.吉林东部铁矿成因类型、地质特征及找矿方向探讨[J].地质与资源,2009,(02):12-17.
    [21]SamuelS.Goldich;钟富道.前寒武纪条带状含铁建造的年龄.地质地球化学[J].地质与资源,1974,(11):10-15.
    [22]赵振华.条带状铁建造(BIF)与地球大氧化事件[J].地学前缘,2010,(02):1-12.
    [23]关平,王颖嘉.全球古元古代碳同位素正异常的数据分析与成因评述[J].北京大学学报(自然科学版)网络版(预印本),2008,(03):106-114.
    [24]刘树文,李秋根,张立飞.吕梁山前寒武纪野鸡山群火山岩的地质学、地球化学及其构造意义[J].岩石学报,2009,(03):547-560.
    [25]周京仁,柴少波,刘贤玉,邹宗强,陆军波.山东海阳沙旺金矿区矿床地质特征及找矿标志[J].黄金,2010,(01):20-22
    [26]Joseph B. Whalen,Kenneth L. Currie,Bruce W. Chappell. A-type granites:geochemical characteristics, discrimination and petrogenesis[J] Contributions to Mineralogy and Petrology,1987,95, (4).
    [27]Roberto Oyarzun,Jorge Oyarzun,Jean Jacques Menard,Javier Lillo. The Cretaceous iron belt of northern Chile:role of oceanic plates, a superplume event, and a major shear zone[J] Mineralium Deposita,2002,38, (5).
    [28]林会喜,吴智平.华北东部盆地叠合单元划分及其石油地质意义[J].高校地质学报,2010,(01):53-62
    [29]侯贵廷,Henry HALLS, Don DAVIS,黄宝玲,杨默函,王传成.华北基性岩墙群的古地磁极及其哥伦比亚超大陆重建意义[J].岩石学报,2009,(03):650-658
    [30]高琪.内蒙古大什字金矿床地质特征及其找矿标志[J].内蒙古煤炭经济,2010,(02):41-43.
    [31]徐九华,丁汝福,林龙华,褚海霞,王琳琳,卫晓峰.成矿环境中的高密度碳质流体:以阿尔泰南缘为例[J].地学前缘,2010,(01):202-211
    [32]田忠锋,黄启峰,王广耀.新疆天山华力西运动特征[J].新疆地质,2010,(01):28-31刘树文,李秋根,张立飞.吕梁山前寒武纪野鸡山群火山岩的地质学、地球化学及其构造意义[J].岩石学报,2009,(03):547-560
    [33]王汝铮,颜耀阳,李惠民,林源贤.山西五台山区早前寒武纪年代构造格架[J];前寒武纪研究发展;1997,20(2):45-50
    [34]李煜,李长城.内蒙古中部太古界乌拉山群铁矿成矿特征及找矿方向[J].华北国土资源,2010,(01):3-4
    [35]王瑞,朱永峰.新疆恰尔墩巴斯希铁-铜-金矿矿床地质研究[J].矿床地质,2010,(02):229-242
    [36]刘严松,何政伟,龙晓君,李能炯,廖海.重庆桃花赤铁矿地质特征与成矿规律分析[J].地质与勘探,2010,(02):230-237
    [37]曹翔宇.新疆塔斯特金矿成矿规律分析[J].新疆有色金属,2010,(01):17-19
    [38]王永强.新疆富蕴县蒙库铁矿外围找矿的突破及其意义[J].新疆有色金属,2010,(01):9-11
    [39]Bor-ming Jahn,Fuyuan Wu,Dawei Hong. Important crustal growth in the Phanerozoic: Isotopic evidence of granitoids from east-central Asia[J] Journal of Earth System Science, 2000,109, (1):11-18
    [40]F. Finger,M. P. Roberts,B.Haunschmid,A. Schermaier,H. P. Steyrer. Variscan granitoids of central Europe:their typology, potential sources and tectonothermal relations[J] Mineralogy and Petrology,1997,61, (1-4).
    [41]R. Thomas,J. D. Webster,W. Heinrich. Melt inclusions in pegmatite quartz:complete miscibility between silicate melts and hydrous fluids at low pressure[J] Contributions to Mineralogy and Petrology,2000,139, (4).
    [42]李大民,梁积伟,孙永君.甘肃省野牛滩矿田的成矿模式研究[J].地质学报,2010,(03):431-438
    [43]王瑜,李朗田,苏绍明.鄂东铁矿成矿地质特征与找矿预测[J].地质与勘探,2007,(01).
    [44]陈婉君,杨智荣.广东大顶铁矿田多金属矿床地质特征及成矿规律[J].科技创新导报,2008,(29).
    [45]郑大中,郑若锋.前寒武纪条带状铁建造形成机理新探[J].资源环境与工程,2007,(02):12-15
    [46]王书丹.对鞍山式铁矿(条带状含铁石英岩)的尾矿含金认识初探[J].中国矿业,2002,(03):22-25.
    [46]温汉捷,张羽旭,樊海峰,胡瑞忠.华南下寒武统地层的Mo同位素组成特征及其古海洋环境意义[J].科学通报,2010,(02):176-181
    [47]赵竹平.柏林孤子山铁矿区域地质与矿床地质研究[J].黑龙江科技信息,2010,(08):36
    [48]黄符桢.赣南钨矿成矿规律与找矿前景分析[J].中国高新技术企业,2010,(10):7-8
    [49]郑培玺.山东招远灵雀山金矿床地质特征及成因模式研究[D].吉林大学,2006
    [50]赫英,张维萍,岳可芬,张红强,成一.地球深部包体与成矿关系——一个有意义的研究方向[J].地球科学与环境学报,2010,(01):24-26
    [51]高玉宝,余斌,龙涛.有色矿山低品位矿床开采技术进步与发展方向[J].有色金属(矿山部分),2010,(02):4-7.
    [52]刘军,靳淑韵.辽宁弓长岭铁矿磁铁富矿的成因研究[J].现代地质,2010,(01):80-88
    [53]E. Belousova,W. Griffin,Suzanne Y. O'Reilly,N. Fisher. Igneous zircon:trace element composition as an indicator of source rock type[J] Contributions to Mineralogy and Petrology,2002,143,(5).
    [54]李江海,刘守偈,牛向龙,高危言.早期碰撞造山带的构造样式及其板块构造演化意义:以华北克拉通五台山花岗岩-绿岩区为例[J].岩石学报,2009,(03):481-494.
    [55]侯贵廷,王传成,王延欣,肖芳锋,李乐.鲁西蒙山新太古代末闪长岩体的区域构造意义——SHRIMP锆石U-Pb年代学证据[J].高校地质学报,2008,(01).
    [56]庄育勋,王新社,徐洪林,任志康,张富中,张锡明.泰山地区早前寒武纪主要地质事件
    与陆壳演化[J].岩石学报,1997,(03).
    [57]翟明国.华北克拉通的形成演化与成矿作用[J].矿床地质,2010,(01):24-36.
    [58]张艳军,宋丙剑.试论俯冲带成矿作用——以斑岩型及块状硫化物型矿床为例[J].中国西部科技,2010,(05):25-27.
    [59]葛宏力,林敬兰,黄炎和.崩岗风化壳形成的地质作用[J].福建农林大学学报(自然科学版),2010,(01):73-78.
    [60]杜利林,杨崇辉,郭敬辉,王伟,任留东,万渝生,耿元生.五台地区滹沱群底界时代:玄武安山岩SHRIMP锆石U-Pb定年[J].科学通报,2010,(03):246-254.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700