Palynological correlation of coal seams in Godavari Graben, Andhra Pradesh, India

Abstract

The palynological study of various coal seams from Yellandu, Kothagudem, Belampalli, Ramakrishnapuram and Ramagundam coalfields of Godavari Graben has been done. The distributional pattern of various palyno-taxa has suggested the occurrence of six miospore assemblages. Miospore Assemblage E is marked by the association of Parasaccites and Scheuringipollenites. Assemblage D is characterised by the dominance of Brevitriletes. In assemblages C1, C2 and C3, Brevitriletes is associated with Hennellysporites. Indotriradites, although rare, occurs only in this assemblage. Horriditriletes and Latosporites characterise Assemblage B in association with Brevitriletes Primuspollenites gains significance only at this stage of palynofloral succession. In the youngest Assemblage A all the triletes decrease appreciably giving way to nonstriate-disaccates, Scheuringipollenites, so as to take up the dominance. The sporological succession shows only one change after Assemblage E (Upper Karharbari) was deposited. Miospore assemblages D to A represent the Lower Barakar palynoflora.