Crust–Mantle Interactions and Granitoid Diversification

Crust–Mantle Interactions and Granitoid Diversification
Author :
Publisher : Geological Society of London
Total Pages : 260
Release :
ISBN-10 : 9781786202802
ISBN-13 : 1786202808
Rating : 4/5 (808 Downloads)

Book Synopsis Crust–Mantle Interactions and Granitoid Diversification by : J. Halla

Download or read book Crust–Mantle Interactions and Granitoid Diversification written by J. Halla and published by Geological Society of London. This book was released on 2017-03-01 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Publication sheds light on crust formation and tectonic processes in early Earth by focusing on Archaean granitoids and related rocks from West Greenland in the North Atlantic Craton, Karelia Province of the Fennoscandian Shield, Eastern Dharwar and Bundelkhand cratons in the Indian Shield and Bug Complex of the Ukrainian Shield. Resulting from the IGCP-SIDA 599 project `The Changing Early Earth’, this compilation of papers provides explanations on the nomenclature of Archaean granitoids and explores the petrology, element and isotope geochemistry, geochronology and metamorphism of granitoids and supracrustal rocks of variable metamorphic grade. This volume provides information on the increase and timing of crust-mantle interactions and granitoid diversification from early Archaean protoliths of island arc origin to the emergence of multi-source high-K calc-alkaline granitoid batholiths at convergent continental margins. The formation of abundant granitoid batholiths suggests a significant change in mantle dynamics and plate tectonics towards the end of the Archaean.


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