What is it about?
The tectonic significance of "Satpura orogenic trend" previously attributed to Grenville orogeny (~950 Ma) has been critically analysed. It has been demonstrated that the "Satpura orogenic trend" developed during an orogenic event at ~1600 Ma which was associated with granulite metamorphism in the Satpura region as well as the adjacent Chhotanagpur terrane. An earlier granulite event and orogenic event in the region is also recorded at ~2100 Ma.
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Why is it important?
The paper critically analyses in position of the suture between the North Indian Block and South Indian Block as well as the direction of subduction between the two blocks.
Perspectives
People interested to understand the evolution of Earth during the transition period from oxygen poor Neoarchean eon to Paleoproterozoic eon with elevated amount of oxygen content in the atmosphere which initiated the process of formation of giant deposits of iron and manganese as well as the organic evolution.
Prof. Sarada Mohanty
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This page is a summary of: Evolution of the “Central Indian Tectonic Zone”: A Critique Based on the Study of the Sausar Belt, January 2020, Springer Science + Business Media,
DOI: 10.1007/978-3-030-40593-9_3.
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