Correlation of coal seams in Chirimiri coalfield, M.P., on the basis of sporae dispersae

D.C. Bhardwaj; S.C. Srivastava

doi:10.54991/jop.1968.537

Authors

D.C. Bhardwaj 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

DOI:

https://doi.org/10.54991/jop.1968.537

Abstract

Fifteen samples of coal collected from different parts of Chirimiri Coalfield, M.P., have been sporologically investigated. The qualitative and quantitative composition of the samples at generic level indicates that the general dominance is constituted by Lophotriletes, Microbaculispora, Indotriradites and Sulcatisporites. In addition to these, Horriditriletes, Retusotriletes, Potonieisporites, Faunipollenites and Ginkgocycadophytus are characteristically associated with the dominants. The association of these genera has enabled segregation of the samples into three assemblages. Assemblage A is dominated by Microbaculispora. Assemblage B is dominated by Microbaculispora in association with Indotriradites and Assemblage C has the dominance of Microbaculispora associated with Retusotriletes and Potonieisporites. It is suggested that the samples represent three coal seams corresponding to Assemblages A, B & C.

The succession of mioflora in Chirimiri coalfield has been found to show general similarity with the succession of the three older coal seams in the northern part of Korba coalfield. The age of Chirimiri coal deposits is suggested as Lower Barakar.

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