Abstract
Raniganj Coalfiold is the type-area for the Raniganj Stage of the Damuda Series (Lower Gondwana). Palynological analysis of a bore-core in Dishergarh area of this coalfield suggests a constant and continuous preponderance of striate disaccate genera, without any remarkable miofloral break within the succession. Apiculate trilete, non-striate disaccate and monolete genera are next in order of frequency. The Raniganj mioflora can be differentiated from that of the underlying Barren Measures by the rarity of an enveloping monosaccate genus Densipollenites, and substantial increase of triletes, while from that of the overlying Lower Panchet by the paucity of Callumispora, mesosporoid trilete and taeniate disaccate genera.
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