%0 Journal Article
%T The Sm-Nd Isochron Age of Metamorphic Mafic Volcanic Rocks in Qingyuan,Liaoning and Its Geological Significance<br>辽宁清原变质镁铁质火山岩Sm－Nd同位素年龄及其地质意义
%A LI Jun-jian
%A SHEN Bao-feng
%A MAO De-bao
%A LIN Yuan-xian
%A <br>李俊建
%A 沈保丰
%A 毛德宝
%A 林源贤
%J 地球学报
%D 1996
%I 
%X 在辽宁清原浑南群变质镁铁质火山岩中首次获得的Ｓｍ－Ｎｄ全岩等时线年龄为３０１８±１１０Ｍａ，证实了本区中太古代表壳岩的存在。浑南群为高角闪岩相至麻粒岩相。变质镁铁质火山岩的原岩相当于ＴＨ１型拉斑玄武岩，稀土配分为轻稀土亏损型模式。岩石的εＮｄ（ｔ）值为＋０．１９±０．１７，物源来自亏损相对较小的地幔。
%K Sm-Nd isochron age
%K mafic volcanic rocks
%K Liaoning Qingyuan<br>Sm－Nd等时线
%K 镁铁质火山岩
%K 辽宁
%K 清原
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=621CF755B1A341E5&jid=1DF69A47DE80569EC8F859DF61571180&aid=8A5BBB6F6CE57A2600AA00C6951966C8&yid=8A15F8B0AA0E5323&vid=BCA2697F357F2001&iid=38B194292C032A66&sid=C2F76551C0111538&eid=EC34D52BE81085CE&journal_id=1006-3021&journal_name=地球学报&referenced_num=2&reference_num=0