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Carboniferous floras in siliciclastic rocks of Kashmir Himalaya, India and the evolutionary history of the Tethyan Basin

Published online by Cambridge University Press:  03 January 2013

KAMAL JEET SINGH
Affiliation:
Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow-226007, (U.P.)India
RAJINDER SINGH
Affiliation:
Department of Geology and Mining, Jammu & Kashmir State, Jammu, India
CHRISTOPHER J. CLEAL*
Affiliation:
Department of Biodiversity & Systematic Biology, National Museum of Wales, Cathays Park, Cardiff CF10 3NP, UK
ANJU SAXENA
Affiliation:
Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow-226007, (U.P.)India
SHAILA CHANDRA
Affiliation:
Flat Number 105, Beverly Park Apartment 422, New Hyderabad, Lucknow-226007, (U.P.)India
*
§Author for correspondence: chris.cleal@museumwales.ac.uk

Abstract

The Fenestella Shale Formation of Jammu and Kashmir Himalaya comprises latest Viséan or Serpukhovian siliciclastic deposits formed along the southern margins of the Palaeotethys Ocean. A sequence of shallowing upward and deepening upward units indicates changes from shoreface to offshore and deeper shelf conditions, probably controlled by eustatic changes in an otherwise passive depositional system. Some of the finer-grained, shallow marine deposits have yielded fossil floras dominated by sub-arborescent lycopsids (Sublepidodendron, Lepidodendropsis) sphenophytes (Archaeocalamites) and pteridophylls (Nothorhacopteris, Triphyllopteris). The assemblage compares with other Gondwanan floras of this age that have been assigned to the Paraca floral realm, and are taken to indicate relatively warm climatic conditions that existed just prior to the onset of the Carboniferous–Permian ice-age.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 2013 

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