A Problem of High-Grade Polymetamorphism  

作　　者：Tatiana A.Zabrodskaya Elithabeth I.Moiseeva 

机构地区：[1]Department of Petrology,Geological Faculty,Moscow State University

出　　处：《地学前缘》2009年第S1期197-197,共1页Earth Science Frontiers

摘　　要：A problem of evolution of high-grade polymeta- morphic terrain appeared in last decades:in worldwide complexes the identification of true stages of polymetamorphism encounters a problem of zircon zoning(or garnet etc.)that is the function of fluid activity and therefore the newly formed zone can not always be recorded.Structural geology allows discriminating between different stages of metamor-

关 键 词：p-T PATHS HIGH-GRADE polymetamorp-hism PSEUDOSECTIONS LOCAL EQUILIBRIA 

分 类 号：P554[天文地球—构造地质学]