Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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'Sonapahar Group': A Proposed New Lithostratigraphic Unit in the Precambrian Rocks of the Shillong Plateau


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1 Gauhati University, Gauhati, Assam, India
 

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A new lithostratigraphic unit-the 'Sonapahar Group' - Within the Precambrian rocks of the Shillong plateau is formally proposed for the pelitic, basic, calc-silicate and banded ferruginous rocks showing evidences of medium (to high) grades of regional metamorphism and varying degrees of metasomatism.
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  • 'Sonapahar Group': A Proposed New Lithostratigraphic Unit in the Precambrian Rocks of the Shillong Plateau

Abstract Views: 251  |  PDF Views: 133

Authors

M. Narayana Rao
Gauhati University, Gauhati, Assam, India
J. M. Choudhury
Gauhati University, Gauhati, Assam, India

Abstract


A new lithostratigraphic unit-the 'Sonapahar Group' - Within the Precambrian rocks of the Shillong plateau is formally proposed for the pelitic, basic, calc-silicate and banded ferruginous rocks showing evidences of medium (to high) grades of regional metamorphism and varying degrees of metasomatism.