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

John J.W. Rogers ¹

Affiliations
1 Dept of Geology, CB#3315, University of North Carolina, Chapel Hill, NC 27599-3315, US

Abstract

Estimates of stabilization ages of the world's Precambrian cratons reveal a pattern in which all blocks stabilized at ages ≥ 3.0 Ga occur in one area of the end- Paleozoic supercontinent Pangea. These blocks center around India, where at least two cratons (Western Dharwar and Singhbhum) show evidence of crustal growth terminating at or before ∼3.0 Ga. This concentration of ≥3.0-Ga blocks is regarded as an Archean supercontinent referred to as "Ur."

Keywords

Tectonics, Precambrian Craton, Dharwar, Singhbum.

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