Abstract
The distributional pattern of various palynotaxa in the coal bearing sediments recovered from six borecores (MLG-23, MLG-24, MLG-28, SGK-2, SGK-3 and SGK-4) in Gundala area of Godavari Graben has suggested occurrence of five distinct palynoassemblages: Palynoassemblage-A marked in borecore MLG-23 shows dominance of monosaccates chiefly Parasaccites along with Plicatipollenites, Caheniasaccites, Divarisaccus, and Potonieisporites, represents Talchir palynoflora; Palynoassemblage-B characterized by dominance of radial monosaccates chiefly Parasaccites along with trilete taxa Callumispora in borecores MLG-23 and MLG-24, corresponds to Lower Karharbari palynoflora; Palynoassemblage-C distinguished in borecores MLG-24, MLG-28, SGK-2, SGK-3 and SGK-4 is marked by dominance of radial monosaccates mainly Parasaccites along with nonstriate disaccate Scheuringipollenites, represents Upper Karharbari palynoflora; Palynoassemblage-D in borecores MLG-23, MLG-24 and MLG-28 demarcated by dominance of nonstriate disaccates chiefly Scheuringipollenites, Ibisporites along with sub-dominance of few striate disaccates, viz., Faunipollenites, Striatopodocarpites, Crescentipollenites and Striatites signifies Barakar palynoflora; the youngest, Palynoassemblage-E identified in borecores MLG-24 and MLG-28 shows dominance of striate disaccates, viz., Striatopodocarpites and Faunipollenites in conjunction with Strotersporites, Crescentipollenites, Hamiapollenites, Corisaccites, Weylandites and Falcisporites. This palynoassemblage also shows the appearance of some stratigraphically significant palynomorphs, viz., Lunatisporites, Lundbladispora, Playfordiaspora, Klausipollenites, Kamthisaccites, Guttulapollenites and Crustaesporites symbolizing Late Permian Raniganj palynoflora. Almost a complete palynological succession from Talchir to Raniganj has been demarcated in Lower Gondwana succession of Gundala area.
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