High-temperature crustal anatexis in a clockwise P-T-t path: Isotopic evidence from a granulite-granitoid suite in the Eastern Ghats belt, India

From: Journal of the Geological Society | Date: January 1, 2003| Author: Basei, M; Kar, Rajib; Teixeira, W; Bhattacharya, S | Copyright information

Abstract: The high-grade metamorphic belt of the Eastern Ghats, India, displays polyphase deformation structures, a complex metamorphic record and dehydration melting in different crustal protoliths. Hightemperature melting in pelitic and greywacke-like precursors in a clockwise P-T path, decompression and subsequent isobaric cooling have recently been described from the south-central sector of this belt. In this contribution, high-temperature melting has been dated at c. 1162 Ma by Sm-Nd who...

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High-temperature crustal anatexis in a clockwise P-T-t path: Isotopic evidence from a granulite-granitoid suite in the Eastern Ghats belt, India
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