Coal reserves and resources in Indian Go... Black, Bright, Banded, occasional boney lamination The Indian Coal deposits mainly occur in two stratigraphic horizons: Permian Gondowana and the Tertiary. The Gondowana coal contributes about 99.5% of total coal deposit in India and the Gondowana coal formation is mainly confined within the Peninsular...

Geographical distribution of coal in Ind... Geographical distribution of coal in India: A Brief Review Age of coal deposits in India: There are two age groups of coal deposits in India Paleozoic / Gondowana Coal ~ 98% of total coal deposits in India Cainozoic / Tertiary Coal ~ 2% of total coal deposits in India Gondowana Coals in India: About 95 %...