Abstract
Palynofloras have been recorded from the Barakar Formation in the Borehole MBKW-3, Barpali–Karmitikra Block, Mand–Raigarh Coalfield, Chhattisgarh. Three distinct palynoassemblages have been identified and referred to the following palynoassemblage zones – Gondisporites raniganjensis (Latest Permian); Faunipollenites varius (latest Early Permian), and Scheuringipollenites barakarensis (late Early Permian). It is inferred that these deposits contain the representative palynoassamblages of Early to Late Permian in age. The First Appearance Datum (FAD)s of Arcuatipollenites pellucidus, A. ovatus, Guttulapollenites hannonicus, Lundbladispora microconata, Alisporites opii, Klausipollenites sp., and Goubinispora indica (at 41.95, 45.90, 98.35 m depth), indicate the closing phase of Permian, as these elements are the key species that mark a transition from Permian to the Lower Triassic. An attempt has been made here to reconstruct the phytogeographical provincialism on the basis of Guttulapollenites recorded in this basin.
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Acknowledgements
Authors are thankful to Prof. Sunil Bajpai, Director, BSIP, Lucknow for kind permission to publish this work. They extend their sincere thanks to the Dy. DG and officers of the Coal Wing Division, Geological Survey of India, Kolkata, for providing borecore samples for the present study. They also extend sincere thanks to reviewer Dr Cortland Eble, Kentucky Geological Survey, University of Kentucky for encouragement, suggestions and comments, which have greatly improved the earlier version of the manuscript. One of the authors (Saurabh Gautam) expresses his gratitude to the UGC, New Delhi for granting the RGNF Fellowship to carry out Ph.D. work at BSIP, Lucknow.
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Murthy, S., Ram-Awatar & Gautam, S. Palynostratigraphy of Permian succession in the Mand–Raigarh Coalfield, Chhattisgarh, India and phytogeographical provincialism. J Earth Syst Sci 123, 1879–1893 (2014). https://doi.org/10.1007/s12040-014-0498-9
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DOI: https://doi.org/10.1007/s12040-014-0498-9