The nature of Grooved Pavement and Palynology from overlying Talchir and Karharbari sediments in west Bokaro Coalfield, Bihar, India

A. Prakash; S.C. Srivastava; R.S. Tiwari

doi:10.54991/jop.1977.1049

Authors

A. Prakash Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226007, India
S.C. Srivastava Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226007, India
R.S. Tiwari Birbal Sahni Institute of Palaeobotany, 53, University Road, Lucknow 226007, India

DOI:

https://doi.org/10.54991/jop.1977.1049

Keywords:

Palaeopalynology, Grooved pavement, Permo-Carboniferous, West Bokaro Coalfield (India)

Abstract

A sequence of Talchir Formation overlying the polished pavement of metamorphic rocks has been palynostratigraphically studied from the Dudhi River section of West Bokaro Coalfield. The groove-like markings on the pavement, trending S 60ºE in direction, have been observed. The tillite, rafted boulders and the thick laminated shales suggest glacial as well as f1uvio-glacial conditions during Talchir sedimentation. The thin carbonaceous beds, associated with the sandstone at the top of this formation, have been found to contain a Callumispora, Microbaculispora and Parasaccites rich mioflora. Palynologically this resembles the Lower Karharbari miospore assemblages known from other areas. The Talchir mioflora is less diverse while the subsequent one shows significant complexity in quality as well as quantity.

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