Geology and Geochemistry of Metaigneous Rocks from the Vinjamuru Arc Terrane, Krishna Orogen: Implications to Evolution at the Southeastern Margin of the Eastern Dharwar Craton

Chatterjee, Chiranjeeb (2017) Geology and Geochemistry of Metaigneous Rocks from the Vinjamuru Arc Terrane, Krishna Orogen: Implications to Evolution at the Southeastern Margin of the Eastern Dharwar Craton. PhD thesis, Indian Institute of Science Education and Research Kolkata.

PDF (PhD thesis of Chiranjeeb Chatterjee (09IP10)) Chiranjeeb_Chatterjee,_THESIS.pdf - Submitted Version Restricted to Repository staff only Download (20MB)

Abstract

The accretion, during orogeny, of juvenile material to continental crust along continental or island arcs at cratonic margins is considered responsible for most Paleoproterozoic crustal growth of regions, with seaward migration of subduction zones during prolonged processes and evolution of regional scale magmatic and metamorphic belts. In contrast to Andean style orogenesis involving termination by continental collision, Cordilleran-style occurs by subduction of the oceanic crust in a Pacific-type tectonic setting. The present work provides a new insight into accretionary orogenic processes at craton margins and the growth of juvenile crust in the Paleoproterozoic.

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