西藏改则地区拉果错蛇绿岩地球化学特征及成因.pdf

文档介绍：10000569/2007/023(06)152130 ActaPetrologicaSinica 岩石学报
西藏改则地区拉果错蛇绿岩地球化学特征及成因
王保弟1,2,3 许继峰1曾庆高2 康志强1,3 陈建林1,3 董彦辉1,3
WANGBaoDi1,2,3,XUJiFeng1,ZENGQingGao2,KANGZhiQiang1,3,CHENJianLin1,3andDONGYanHui1,3
,广州 510640
,拉萨 851400
,北京 100039
,GuanzhouInstituteofGeochemistry,ChineseAcademyofSciences,Guangzhou510640,China
,Lhasa851400,China
,Beijing100039,China
20070108收稿,20070523改回.
WangBD,XuJF,ZengQG,KangZQ,
southofGerzearea,,23(6):1521-1530
Abstract LhaguoTsoophiolite,whichisgeographicallylocatedinsouthofGerzecounty,Tibet,pleted
ophiolitespreservedonthesouthsideoftheBangong
mainlyconsistsofmantleperidotites、cumulates、pillowlavas、dykes、
analysesindicatesthatmaficintermediaterocksintheophioliteareenrichedinLILE,suchasSr、Rb,depletedinHFSE,suchasNb、
Ta,positionalcharacteristicsofislandarcvolcanicrocks,andtheirrareearthelementsalsomainlyshowaflat