蒋法文,刘亮,陈健

• 1:淮南矿业(集团)有限责任公司地质院
• 2:安徽理工大学地球与环境学院

摘要(Abstract)：

通过对淮南煤田潘三煤矿1煤层中的侵入岩体剖面样品的系统采集,采用X射线荧光光谱(XRF)和光学显微镜等手段,研究了岩浆岩在垂向上岩性和矿物的演化特征。结果表明:岩浆岩从剖面下部到上部,岩性由基性过渡到中性,到上部的酸性;且其矿物组成亦呈现规律性分布:在顶底部有少量蚀变产物绿泥石和热液成因后生黄铁矿;与煤层接触的岩浆岩,裂隙发育,多为热液成因黄铁矿和石英充填;岩浆岩中钾长石蚀变程度从岩床中部向顶底部逐渐增强,岩床中部长石晶形完好,顶底部长石蚀变,受岩浆热液作用影响较大。

关键词(KeyWords)： 岩浆岩;矿物;1煤层;潘三矿;淮南煤田

Abstract:

Keywords:

基金项目(Foundation): 国家973基础研究项目(2014CB238903);; 国家自然科学基金项目(41373110);; 淮南矿业集团科技创新项目资助

作者(Author): 蒋法文,刘亮,陈健

参考文献(References)：

• [1]Cooper,J R,Crelling,J C,Rimmer,S M,et al.Coal metamorphism byigneous intrusion in the Raton Basin,CO and NM:implication for gener-ation of volatiles.International Journal of Coal Geology,2007,71:15-27.
• [2]Dai,S,Ren,D.Effects of magmatic intrusion on mineralogy and geo-chemistry of coals from the Fengfeng-Handan Coalfield[J].Hebei,China.Energy&Fuels,2007,21:1663-1673.
• [3]Golab,A N,Carr,P F.Changes in geochemistry and mineralogy ofthermally altered coal,Upper Hunter Valley,Australia.InternationalJournal of Coal Geology,2004,57:197-210.
• [4]Yao,Y,Liu,D.Effects of igneous intrusions on coal petrology,porefracture and coalbed methane characteristics in Hongyang,Handan andHuaibei coalfields,North China.International Journal of Coal Geology2012,96-97:72-81.
• [5]Chen J,Liu G,Li H,et al.Mineralogical and geochemical responses ofcoal to igneous intrusion in the Pansan Coal Mine of the Huainan coal-field,Anhui,China.International Journal of Coal Geology 2014,124:11-35.
• [6]苗林,刘桂建,吴盾,等.淮南煤田潘三井田西部岩浆岩侵入年代确定与意义[J].中国煤炭地质,2012,24(11),4-6.
• [7]Middlemost E A K.Naming materials in the magma/igneous rock sys-tem.Earth-Science Reviews,1994,37,215-224.