A hitherto unknown river type from the Archaean at Bhurkuli (Jharkhand, E India)
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Date
2017-08
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Instytut Geologii UAM
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Abstract
The Archaean granitoid pluton of the Singhbhum craton in E India is overlain by Archaean to Palaeoproterozoic metasediments.
These sediments are still poorly known and their stratigraphy is under debate. Several scattered, most probably
Meso- to Neoarchaean, conglomerates are present in the state of Jharkhand that differ so much in characteristics
that they are probably not related to each other. The sedimentology of a series of conglomerate patches and layers near
Bhurkuli has been investigated, including the characteristics of the clasts. It is deduced on the basis of these characteristics
and the sedimentological context that the Bhurkuli conglomerates represent the channel facies of a river system
that differed from the types of fluvial systems that exist nowadays.
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Keywords
conglomerates, fluvial system, pebble characteristics, Precambrian, Singhbhum Craton
Citation
Geologos, 2017, 23, 2, pp. 109-122
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ISBN
978-83-232187-4-6
ISSN
1426-8981