PALYNOSTRATIGRAPHY OF THE DUBRAJPUR FORMATION (EARLY TRIASSIC TO EARLY CRETACEOUS) OF THE RAJMAHAL BASIN, INDIA

A comprehensive review of the lithology, megafloras and palynology of the Dubrajpur Formation of the Rajmahal Basin, eastern India indicates that this important unit comprises strata of Early and Late Triassic, late Early to early Mid Jurassic and latest Jurassic to Early Cretaceous age. The age ran...

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Bibliographic Details
Published in:Palynology 2006-01, Vol.30 (1), p.133-149
Main Authors: TRIPATHI, ARCHANA, RAY, ATANU
Format: Article
Language:English
Subjects:
Asia
assemblages
biostratigraphy
boreholes
Coal
Coalfields
Dubrajpur Formation
eastern India
Geological surveys
Geology
India
Indian Peninsula
Jharkhand India
Lithology
lithostratigraphy
Mesozoic
microfossils
miospores
Palynology
palynomorphs
palynostratigraphy
Plantae
Pollen
Rajmahal Basin
Sediments
Shales
spores
Stratigraphy
stratotypes
Taxa
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Summary:A comprehensive review of the lithology, megafloras and palynology of the Dubrajpur Formation of the Rajmahal Basin, eastern India indicates that this important unit comprises strata of Early and Late Triassic, late Early to early Mid Jurassic and latest Jurassic to Early Cretaceous age. The age range of the Dubrajpur Formation is concluded to be Early Triassic (Induan) to Early Cretaceous (Berriasian-Hauterivian) based on palynological evidence. It is hence a profoundly diachronous succession.
ISSN:0191-6122
1558-9188
DOI:10.2113/gspalynol.30.1.133