湖南苗儿山白钨矿床的发现及其找矿意义
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摘要
该矿床是近些年在湖南城步地区地质矿产调查工作中发现的一处初具规模的白钨矿床。矿床产于苗儿山志留纪花岗岩体断裂破碎带内,严格受断裂破碎带控制,与燕山期花岗岩关系密切,属高中温气成-热液断裂破碎带充填型矿床,并具有较大的找矿潜力,可作为进一步工作的矿产勘查基地,显示出较好的找矿前景。
The Miaoershan scheelite deposit of Chengbu area,Hunan province,which is found by using the latest metallogenic theory and method,is a new kind of tungsten deposit.Study roughly,this deposit located in the faulted and shattered zone of Miaoershan Caledonian granitoid,also it is hand in glove with Yanshanian granite,strictly controlled by faulted and shattered zone.The ore body is steady and the mineralization is even,they make it to be a medium-size deposit,it is interpreted a model of high-mid temperature pneumatolytic-thermal fill in faulted and shattered zone.The research indicate that this deposit is a typical one formed by the transmagmatic fluids(MTTF),which can be a further work target for prospecting.Additionally,miaoershan and the surrounding area,holding complex structure,intensive magma activity,preferable mineralization condition,brought out a bright prospecting foreground.
The Miaoershan scheelite deposit of Chengbu area,Hunan province,which is found by using the latest metallogenic theory and method,is a new kind of tungsten deposit.Study roughly,this deposit located in the faulted and shattered zone of Miaoershan Caledonian granitoid,also it is hand in glove with Yanshanian granite,strictly controlled by faulted and shattered zone.The ore body is steady and the mineralization is even,they make it to be a medium-size deposit,it is interpreted a model of high-mid temperature pneumatolytic-thermal fill in faulted and shattered zone.The research indicate that this deposit is a typical one formed by the transmagmatic fluids(MTTF),which can be a further work target for prospecting.Additionally,miaoershan and the surrounding area,holding complex structure,intensive magma activity,preferable mineralization condition,brought out a bright prospecting foreground.
引文
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[2]邓晋福,赵国春,赵海玲,等.中国东部燕山期火成岩构造组合与造山-深部过程[J].地质论评,2000,46(1):41—47.
[3]罗照华,卢欣祥,陈必河,等.碰撞造山带斑岩型矿床的深部约束机制[J].岩石学报,2008,24(3):447—456.
[4]李福顺,符海华.大义山云英脉型锡矿容矿构造特征[J].华南地质与矿产,2002,(1):29—33.
[5]肖庆辉,邓晋福,马大铨,等.花岗岩研究思维与方法[M].北京:地质出版社,2002.
[6]朱永峰.地幔流体与地球的放气作用[J].地学前缘,1998,5(增刊):71—75.
[7]朱永峰,曾贻善,艾永富.长英质岩浆中液态不混溶与成矿作用关系的实验研究[J].岩石学报,1995,11(1):1—8.
[8]郑基俭,贾宝华.骑田岭岩体的基本特征及其与锡多金属成矿作用关系[J].华南地质与矿产,2001,(4):50—57.
[9]湖南地质矿产局.湖南省区域地质志[M].北京:地质出版社,1988.
[10]宋才见,覃贤禄,谭湘宁,等.湖南城步地区重力异常的初步研究[J].物探与化探,2007,3(5)414—434.
[11]毛景文,李晓峰,张荣华,等.深部流体成矿系统[M].北京:中国大地出版社,2005:365.
[12]魏道芳,潘仲芳,金光富,等.南岭锡矿调查评价主要进展及找矿前景分析[J].华南地质与矿产,2005,10(2):2—11.
[13]蔡锦辉,毛晓冬,蔡明海,等.湖南骑田岭白腊水锡矿床成矿地质特征[J].华南地质与矿产,2002,10(2):55—59.
[14]罗照华,莫宣学,卢欣祥,等.透岩浆流体成矿作用-理论分析与野外证据[J].地学前缘,2007.14(3),165—183.
[15]罗照华,卢欣祥,陈必河,等.透岩浆流体及其成矿作用导论[M](出版中).
[16]罗照华,梁涛,陈必河,等.2007d.板内造山作用与成矿[J〗。岩石学报,2009,23(8):1945—1956.
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