河南龙门店银矿床地质特征及找矿标志
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摘要
熊耳山西部是Ag-Pb-Au等多金属成矿带地球化学异常区。区内构造发育,岩浆活动频繁且强烈,北东向断裂是金、银等多金属矿床形成的重要赋矿构造,龙门店银矿床赋存于熊耳山成矿带西段,在空间上具有"三位一体"控矿格局。通过地球化学等手段圈定异常区,运用钻探、槽探及坑探对含矿蚀变破碎带进行揭露控制,认为505-I矿体及矿体内富矿分布均具有等距分布特征,断裂带产状变化较大或者有明显弯曲和构造交汇的部位是矿化主要集中的位置,矿床成矿流体和成矿物质主要来源于岩浆热液,并根据等距成矿理论推测龙门店银矿床深部寻找富集矿体具有较大的潜力。
The western part of Xionger mountain is a geochemical anomaly area of the Ag-Pb-Au polymetallic metallogenic zone.Intensive structures and magmatic rocks outcropped in this area.The NE-strike fracture is an important ore-bearing structure which controls the formation of gold and silver polymetallic deposit.The Longmendian silver deposit occurs in the western part of Xionger mountain metallogenic belt,the deposit has a spatial distribution pattern of "Three Factors-in-One Place".The anomalous areas were outlined by geochemical sampling survey,then the altered fracture zone was verified by field trenching,pitting and test drilling engineering works.The prospecting results showed that the rich silver orebodies have equidistant distribution characteristics in No.505-I orebody and within its internal texture.The silver mineralization occurs in the apparent changing place of fault attitude or in obvious bending position and junction part of different striking structures.The ore-forming fluids and ore-forming materials were mainly derived from magmatic hydrothermal fluid.According to the theory of equidistant mineralization distribution,there is great potential for finding new silver orebodies in the depth of Longmendian silver deposit.
The western part of Xionger mountain is a geochemical anomaly area of the Ag-Pb-Au polymetallic metallogenic zone.Intensive structures and magmatic rocks outcropped in this area.The NE-strike fracture is an important ore-bearing structure which controls the formation of gold and silver polymetallic deposit.The Longmendian silver deposit occurs in the western part of Xionger mountain metallogenic belt,the deposit has a spatial distribution pattern of "Three Factors-in-One Place".The anomalous areas were outlined by geochemical sampling survey,then the altered fracture zone was verified by field trenching,pitting and test drilling engineering works.The prospecting results showed that the rich silver orebodies have equidistant distribution characteristics in No.505-I orebody and within its internal texture.The silver mineralization occurs in the apparent changing place of fault attitude or in obvious bending position and junction part of different striking structures.The ore-forming fluids and ore-forming materials were mainly derived from magmatic hydrothermal fluid.According to the theory of equidistant mineralization distribution,there is great potential for finding new silver orebodies in the depth of Longmendian silver deposit.
引文
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[26]邵拥军,陈星霖,李永峰,等.豫西龙门店Ag-Pb-Zn矿床地球化学特征及成因分析[J].中南大学学报(自然科学版),2015,46(1):172-178.
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[28]申萍,沈远超,李光明,等.新疆阔尔真阔腊金矿床成矿流体包裹体研究[J].岩石学报,2004,20(4):969-976.
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[32]陈旺,郭时然,崔毫.豫西熊耳山铁炉坪、篙坪沟矿床银铅矿石稳定同位素研究[J].有色金属矿产与勘查,1996,5(4):213-218.
[33]高永丰,架文楼,魏瑞华.祁雨沟地区金矿床稳定同位素研究[J].矿床地质,1994,13(4):354-362.
[34]王志光,崔毫.华北地块南缘地质构造演化与成矿[M].北京:冶金工业出版社,1997:135-256.
[35]陈衍景,隋颖慧,Pirajno F.CMF模式的排他性依据和造山型银矿实例东秦岭铁炉坪银矿同位素地球化学[[J].岩石学报2003,19(3):551-568.
[36]邵世才,汪东坡.河南熊耳山蚀变断层岩型金矿床成因的地质及地球化学特征[J].地质论评,1994,40(8):520-525.
[37]叶会寿.华北陆块南缘中生代构造演化与铅锌银成矿作用[D]北京:中国地质科学院,2006:139-189.
[2]范文庆,范少军,王忠.河南洛宁龙门店银矿区地质特征及找矿前景[C]//河南地球科学通报,2008年卷(上册),2008:162-166.
[3]贺淑琴,郭建卫,万海泉,姚改委.河南省洛宁县龙门店银矿区地质特征及找矿远景分析[J].华北国土资源,2007,(1):20-22.
[4]周亚涛.河南省洛宁县龙门店银矿成矿地质背景及成矿地质条件[J].华北国土资源,2009(3):11-12.
[5]赵定生.河南龙门店银矿地质特征及成矿规律研究[J].黄金科学技术,2011,19(6):18-21.
[6]漆何为.龙门店银矿各矿体特点及找矿思路探讨[J].华北国土资源,2012,(2):72-76.
[7]王志光,崔毫,徐孟罗,等.华北地块南缘地质构造演化与成矿[M].北京:冶金工业出版社,1997:42-58.
[8]辛志刚.河南h坪金矿床成矿地质特征[J].黄金科学技术,2010,18(3):28-32.
[9]支风岐.河南省熊耳山西段沙沟西银铅矿区地质特征及找矿前景分析[[J].矿产与地质,2004,18(1):35-38.
[10]田宏伟,付彩云,张宝仁.祁雨沟隐爆角砾岩型金矿床资源评价[J].黄金科学技术,2010,18(1):6-10.
[11]刘红樱,胡受奚,周顺之.华山-熊耳山地块前寒武纪绿岩及其形成构造背景[J].地质论评,1998,44(3):233-242.
[12]李惠,李辛凡,徐外生,等.银矿地球化学勘查论文选集[C]//白银地质勘查基金办公室,1992.
[13]陈振阶,王静纯,冯建良,等.中国银矿[R].北京:北京有色地质矿产研究所,1992.
[14]徐文忻,庞春勇,棒月星,等.河南洛宁地区银矿床铅同位素找矿评价研究[J].矿产与地质,2001,15(6):705-711.
[15]陈正友.河南省铁炉坪银矿床地球化学特征「J].矿产与地质,2005,19(6):715-722.
[16]庞绪成,张凯涛,赵少攀,等.豫西龙门店银矿成矿规律及深部预测[J].矿物岩石地球化学通报,2016,35(2):272-278.
[17]胡受奚.交代蚀变岩岩相学[M].北京:地质出版社,1980:36-46.
[18]胡受奚,陈衍景,徐金方,等.华北地台花岗岩和地层中金含量与金成矿的关系[J].高校地质学报,1998,4(2):121-126.
[19]柴明明.河南洛宁县龙门店银矿床特征研究[J].中国科技信息,2013,(21):21-23.
[20]河南省有色金属地质矿产局第六地质大队.河南省洛宁县龙门店矿区银矿详查报告[R].2008.
[21]李治堂.陕西洛南大土西峪金矿主要地质特征[J].陕西地质,1988,6(2):1-11.
[22]范永香,阳正熙.成矿规律与成矿预测[M].徐州:中国矿业大学出版社,2003.
[23]方贵聪,陈远荣,蒋宗林,等.陕西洛南寺耳金矿成矿规律与成矿预测[J].地质与勘探,2011,47(6):1091-1098.
[24]刘江天,刘荫椿,付乐.就矿找矿理论浅析[J].黄金,2009,30(2):10-13.
[25]朱江建,林舸,曾乔松,等.剪切应变异常带近等距控矿模式---以粤西河台金矿为例[J].地质与勘探,2014,50(3):454-463.
[26]邵拥军,陈星霖,李永峰,等.豫西龙门店Ag-Pb-Zn矿床地球化学特征及成因分析[J].中南大学学报(自然科学版),2015,46(1):172-178.
[27]郑永飞.稳定同位素体系理论模式及其矿床地球化学应用[J].矿床地质,2001,20(1):57-70.
[28]申萍,沈远超,李光明,等.新疆阔尔真阔腊金矿床成矿流体包裹体研究[J].岩石学报,2004,20(4):969-976.
[29]林文通.热液的温度、压力和化学组分对矿床成矿作用的影响[C]//金银矿产选集.1996:18-34.
[30]高建京.豫西沙沟脉状Ag-Pb-Zn矿床地质特征和成矿流体研究[D].北京:中国地质大学地球科学与资源学院,2007.
[31]刘家军,何明勤,李志明,等.云南自秧坪银铜多金属矿集区碳氧同位素组成及其意义[[J].矿床地质,2004,23(1):1-10.
[32]陈旺,郭时然,崔毫.豫西熊耳山铁炉坪、篙坪沟矿床银铅矿石稳定同位素研究[J].有色金属矿产与勘查,1996,5(4):213-218.
[33]高永丰,架文楼,魏瑞华.祁雨沟地区金矿床稳定同位素研究[J].矿床地质,1994,13(4):354-362.
[34]王志光,崔毫.华北地块南缘地质构造演化与成矿[M].北京:冶金工业出版社,1997:135-256.
[35]陈衍景,隋颖慧,Pirajno F.CMF模式的排他性依据和造山型银矿实例东秦岭铁炉坪银矿同位素地球化学[[J].岩石学报2003,19(3):551-568.
[36]邵世才,汪东坡.河南熊耳山蚀变断层岩型金矿床成因的地质及地球化学特征[J].地质论评,1994,40(8):520-525.
[37]叶会寿.华北陆块南缘中生代构造演化与铅锌银成矿作用[D]北京:中国地质科学院,2006:139-189.