文档介绍：辽宁南部石炭-二叠系界线处同位素分析辽宁南部石炭-()05文章编号:02532697(2005)02—0058一O3辽宁南部石炭一二叠系界线处同位素分析王大锐许坤吴炳伟薛尚义李玮王永军((}()()83;2中目石油天然气集团公一J咨询【};4l}1围地质大学北京1()()(}83)摘要:辽宁南部大连金州湾剖面位于东北与华南,华北的交界区域,为海相一海陆交互相沉积剖面,"goo_厂"""n带附近发现了沉积碳酸盐岩内大幅度的碳同位素组成正向波动,,:辽宁南部地区;石炭一二叠系;金州湾剖面;同位李组戎中图分类号:TE1113文献标识码:AStableisotopicshiftnearboundaryoftheCarboniferousandPermianinthesouthernLiaoningProvinceofChinaWANGDa—rui'XUKun?WUBing—weiXUEShang—yiIIWeiWANGYong—jun(1RCSCar(PC,Beijing1(J()()83,(,,ina;2Advisory(PC,Beijing100724一China;3ExplorationandDevelopmentResearc]lInstituteo,LiaoheOil/PC,Panjin12401().(7hina;4ChinauniversityofGeos(ientes,Beijing1()()()83,China)Abstract:TheJinzhouBaySectionlocatedinDalianofthesoulhernLiaoningProvinceisneartheboundarybetweennorthandsouthChinaplatewithmarineandcontinental—~,agerina——,:southernLiaoningProvince;CarboniferousPermianperiod;JinzhouBaysection;position我国华北地区石炭一二叠系为重要的产烃层系,由于缺乏连续的海相沉积,使得我国北方油气区石炭系与二叠系地层界线的划分一直是困扰我国地层学研究和油气勘探的问题,,氧同位素组成异常波动,(tg台型)为海陆交互含煤沉积地层,下起奥陶系马家沟组灰岩之顶,上至黄旗(太原),金州台凹陷之内,与辽东一吉南地块相比,表现出比辽东更为开阔的滨浅海特征,,,大魏家,石灰窑子等地,分布局限,仅存本溪组,,本溪组与太原组的灰