Structural, Petrological, and Chronological Constraints from Eastern India and Implications for the similar to 1.0 Ga Assembly of Greater India

PRABHAKAR, N
BHATTACHARYA, A
SATHYANARAYANAN, M
MUKHERJEE, PK

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Publication date

January 2014

DOI

10.1086/676459

Publisher

University of Chicago Press

Journal

The Journal of Geology

Abstract

The Great Proterozoic Fold Belt of India (GIPFOB) is the inferred accretion zone between the North India Block (NIB) and the South India Block (SIB). Mesoscopic structures, phase petrology, and U-Th-Pb (total) monazite ages in the Bangriposi Shear Zone (BSZ) located in the eastern syntaxis of the GIPFOB along the fringe of the Paleo/Mesoarchean Singhbhum Craton (SC) are examined to constrain the time of NIB-SIB assembly. The BSZ at the eastern fringe of the Archean Singhbhum Craton is a NNE-trending west-vergent 0.95-1.0 Ga greenschist-facies (<0.6 GPa at 500-30 degrees C) sinistral-reverse shear zone. The BSZ is dominated by Meso/Neoarchean (2.6-3.1 Ga) cratonic lithologies and an overlying suite of intensely to weakly deformed cobble/gran...

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Structural, Petrological, and Chronological Constraints from Eastern India and Implications for the similar to 1.0 Ga Assembly of Greater India

Abstract

Extracted data

Structural, Petrological, and Chronological Constraints from Eastern India and Implications for the similar to 1.0 Ga Assembly of Greater India

Abstract

Extracted data

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