Nature of the Crust Below the Achankovil Shear Zone,India Based on Gravity Data

查看全文 作　　者：Niraj [1]Kumar;[1]A.P.Singh;[1]B.Singh 机构地区：[1]National Geophysical Research Institute,Room No.208,Gravity Magnetic Study Group 出　　处：《地学前缘》索引2009年第16卷第S1期,共2页 摘　　要：Evolutionary history of continents and supercontinents, and their implications on solid earth processes, require an understanding of the growth of the continental crust through time and space.Suture zones are the remnant regions inherited by Proterozoic tectonics between amalgamated terranes and the long-lived shear systems are commonly assumed to represent such boundaries.One such often debated is the 关 键 词：SOUTHERN GRANULITE TERRANE Achankovil shear zone TERRANE boundary gravity ANOMALY intracratonic litho-tectonic feature