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Paradeep Formation
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Paradeep Fm base reconstruction

Paradeep Fm

Period: 
Cretaceous

Age Interval: 
Late Campanian - Maastrichtian.


Province: 
E.India Mahanadi Basin

Type Locality and Naming

SUBSURFACE: Well MND-8, Interval is 4898-5068 m. [Original Publication: Raju D.S.N, Dwivedi R.N, Misra Ravi, Stratigraphy of Mahanadi Basin, (2009) pp 293-296 in Raju and Misra (2009), ONGC Bulletin, Vol. 44, no.2]. Reference well: MND-5; Interval is 2888-2990 m.

Synonyms: Sequence-I of Mahapatra (2006); Mahanadi stages-M1 to M5 of Pandey, 1986.


Lithology and Thickness

Sandstone. Mainly sandstones with minor shales/claystones. A high gamma-ray section of alternation sand and shale occurs towards the top. About 400 m thickness in the graben areas and is thin over the horsts.


Lithology Pattern: 
Sandstone


Relationships and Distribution

Lower contact

Unconformable with Salipur Volcanic Fm basalts = these volcanics are correlated with Rajmahal Traps Fm

Upper contact

Unconformable and coincides with Cretaceous-Paleogene (KTB) Hiatus; followed by Kalighat Fm

Regional extent


GeoJSON

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Fossils

Planktic foraminifera in the holostratotype include Globotruncana cacarata, Gt. arca, and R. fornicata and Rugoglobigerina rugosa. Equivalents of this age in some wells foraminifera are absent and the age is assigned based on palynological data.


Age 

Late Campanian - Maastrichtian.

Age Span: 

    Beginning stage: 
Campanian

    Fraction up in beginning stage: 
0.6

    Beginning date (Ma): 
76.76

    Ending stage: 
Maastrichtian

    Fraction up in the ending stage: 
0.8

    Ending date (Ma):  
67.27

Depositional setting

Laterally varies from non-marine to middle-outer shelf.


Depositional pattern:  


Additional Information


Compiler:  

D.S.N Raju