A review of the current status of the Older Metamorphic Group and Older Metamorphic Tonalite Gneiss: Insights into the Palaeoarchaean history of the Singhbhum craton, India

Axel Hofmann, Rajat Mazumder

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

The Older Metamorphic Group and the Older Metamorphic Tonalite Gneiss are classic examples of Palaeaoarchaean highgrademetamorphic rocks of the Singhbhum Craton of India. The Older Metamorphic Group is a supracrustal assemblage that was probably deposited as a greenstone belt-type succession before c. 3.32 Ga, the low-grade equivalents of which are found in parts of the Iron Ore Group. The Older Metamorphic Tonalite Gneiss represents a suite of granitoids that are tectonically interleaved with the supracrustal gneisses and that formed over an extended period of time, 3.53-3.45 Ga and possibly later, by processes of Archaean crustal growth.

Original languageEnglish
Pages (from-to)103-107
Number of pages5
JournalGeological Society Memoir
Volume43
DOIs
Publication statusPublished - 2015

ASJC Scopus subject areas

  • Geology

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