Studies on the petrography and microfloristic of coals of Karharbari and Barakar stage from parts of North Karanpura coalfield, Bihar

Bankim Mukherjee; Arabinda Ghosh

doi:10.54991/jop.1972.1478

Authors

Bankim Mukherjee Department of Geological Sciences, Jadavpur University, Calcutta-32
Arabinda Ghosh Department of Geological Sciences, Jadavpur University, Calcutta-32

DOI:

https://doi.org/10.54991/jop.1972.1478

Abstract

In the North Karanpura Coalfield, around Bachra-Khalari two coal measures of lower Gondwana age are exposed to having diversified coal characters. The coals show marked differences in their physico-chemical and floral conditions of deposition as revealed by detailed petrographic and palynological studies. Based on palynological findings, the status of the two coal measures - the lower measure belonging to the upper Karharbari Stage and the upper measure to the lower Barakar Stage - is ascertained. The miofloristic aspect of distribution reveals a close affinity of the Karharbari Stage with the Barakar Stage. This is also supported by geological evidence in the area and suggests a gradual passage of one measure to the other.

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