Understanding the transportational and depositional setting of Panchet Formation, Purulia and Bankura districts of West Bengal, India---- Evidence from grain size analysis

The rocks of Triassic Panchet Formation (TPF) of West Bengal, India, predominantly include sandstones of medium to fine grain-size, with subordinate shale and pebble horizons. Textural parameter like mean, standard deviation, skewness and kurtosis are calculated using standard methods to understand...

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Bibliographic Details
Published in:Frontiers of Earth Science 2011-06, Vol.5 (2), p.138-149
Main Authors: GOSWAMI, Bapi, GHOSH, Dipsikha
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
environment
Geological time
gondwanaland
panchet
Particle size
Petrology
Research Article
Sedimentation & deposition
textural parameters
Triassic
West Bengal
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Summary:The rocks of Triassic Panchet Formation (TPF) of West Bengal, India, predominantly include sandstones of medium to fine grain-size, with subordinate shale and pebble horizons. Textural parameter like mean, standard deviation, skewness and kurtosis are calculated using standard methods to understand the transportation and the depositional environment of the sediments in a part of Panchet Formation. Granulometric analyses indicate the presence of fluvial environment interrupted with aeolian, beach and tidal environments prevailed during the time of deposition of the sediments in this part of Gondwanaland during the Triassic time.
ISSN:2095-0195
2095-0209
1673-7490
DOI:10.1007/s11707-011-0169-y