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1990•Journal of the Geological Society of IndiaRequires access

Metamorphism and Magnetic Susceptibilities in South Indian Granulite Terrain

C. N. Ramachandran

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Abstract

Abstract The magnetic susceptibilities measured in 220 metamorphic rocks collected over a traverse distance of about 2500 km, from South Indian granulite terrain, varied over a wide range. The wide variation in the susceptibilities, 6-4420×10-6 emu/cc is explained in terms of changes in magnetic mineralogy during prograde and retrograde metamorphic processes.

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Abstract The magnetic susceptibilities measured in 220 metamorphic rocks collected over a traverse distance of about 2500 km, from South Indian granulite terrain, varied over a wide range. The wide variation in the susceptibilities, 6-4420×10-6 emu/cc is explained in terms of changes in magnetic mineralogy during prograde and retrograde metamorphic processes.

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Available abstract

Abstract The magnetic susceptibilities measured in 220 metamorphic rocks collected over a traverse distance of about 2500 km, from South Indian granulite terrain, varied over a wide range. The wide variation in the susceptibilities, 6-4420×10-6 emu/cc is explained in terms of changes in magnetic mineralogy during prograde and retrograde metamorphic processes.

Key concepts: Granulite, Metamorphic rock, Metamorphism, Geology, Terrain, Geochemistry, Traverse, Geomorphology

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