Western Mineral Resources

Prepared in collaboration with Russian Academy of Sciences, Mongolian Academy of Sciences, Korean Institute of Geosciences and Mineral Resources, Geological Survey of Japan/AIST, and Jilin University

U.S. Geological Survey
Open-File Report 2007-1183 Appendix B

Appendix B Description of Map Units for Northeast Asia Summary Geodynamics Map

By Leonid M. Parfenov, Gombosuren Badarch, Nikolai A. Berzin, Duk Hwan Hwang, Alexander I. Khanchuk, Mikhail I. Kuzmin, Warren J. Nokleberg, Alexander A. Obolenskiy, Masatsugu Ogasawara, Andrei V. Prokopiev, Sergey M. Rodionov, Alexander P. Smelov, and Hongquan Yan

2007

map of northeast Asia showing seven elements;  Sea or ocean, active continental margin ard, active subduction zone, craton, north Asian craton margin, cratonal terrane or superterrane, and tectonic collage
Major tectonic elements of northeast Asia

Introduction

The major map units on the Northeast Asia Summary Geodynamics Map are cratons, craton margins, cratonal terranes, superterranes, tectonic collages (Archean to Proterozoic, Vendian to Cretaceous, Late Cretaceous and Cenozoic), overlapping continental-margin arcs (Devonian to early Tertiary), transform continental-margin arcs (Devonian to Early Cretaceous), active arcs (Miocene through Present), and active subduction zones (Miocene through Present). Units are listed in order of map unit abbreviations within each major unit. The map units are described in Greninger and others (1999), Nokleberg and others (1994, 1997c, 2000, 2004), and Naumova (2006).


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