NDLI: Facies characteristics and depositional environments of the Paleocene–Eocene strata of the Jaisalmer basin, western India

Content Provider	Springer Nature Link
Author	Patra, A. Singh, B. P.
Copyright Year	2015
Abstract	The Paleocene–Eocene succession of the Jaisalmer area has hydrocarbon potential. This succession is dominantly represented by calcareous and argillaceous rocks with a subordinate proportion of arenites in the basal part. This succession is subjected for facies analysis using field characteristics coupled with petrography and we attempt to establish depositional environments based on facies analysis. A total of eight lithofacies are identified; those are cross-bedded sandstone, thinly bedded sandstone, laminated sandstone, yellow calcareous shale, chalky limestone, fossiliferous shale, fossiliferous limestone and nodular limestone. The upper Paleocene sandstones were deposited in shoreface to foreshore zones on barrier margins of a ramp/platform. The overlying lower Eocene to middle Eocene sequences containing limestone–shale alternation suggests their deposition in lagoons and tidal flats. The occurrence of ooids and peloids and diverse genera of larger foraminifera demonstrates that the deposition of carbonates took place in a tropical climatic condition. The facies associations suggest a complete 2nd order cycle of transgression–regression of the sea from shoreface to tidal flat in the Jaisalmer pericartonic basin.
Starting Page	331
Ending Page	346
Page Count	16
File Format	PDF
ISSN	08912556
Journal	Carbonates and Evaporites
Volume Number	30
Issue Number	3
e-ISSN	18785212
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-03-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lower Paleogene Facies Depositional environments Platform Transgression–regression Half graben Geology Mineral Resources Mineralogy
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology

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