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Jagatsinghpur Formation
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Jagatsinghpur Fm base reconstruction

Jagatsinghpur Fm

Period: 
Neogene

Age Interval: 
Late Miocene - Pliocene


Province: 
E.India Mahanadi Basin

Type Locality and Naming

SUBSURFACE: Well MND-8, Interval is 600-1932 m and thickness is 1332m. [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-6; Interval is 375-1100 m and thickness is 725 m.


Lithology and Thickness

Predominantly clays with some sands. The sands are coarse to fine grained. 200-1300 m thickness.

[Figure 1: Location Map of well MND -8 (modified after Shukla et al., 2014)]

[Figure 2: The lithocoloumn of the type (Holo) section of the Jagatsinghpur Formation in Well MND - 8 showing the foraminiferal assemblage, age, and paleobathymetry
(modified after Pandey, J., ONGC, 1986)]

[Figure 3: The lithocolumn of the Reference (Hypo) section of the Jagatsinghpur Formation in Well MND - 6 showing the foraminiferal assemblage, age, and paleobathymetry (modified after Pandey, J., ONGC, 1986)]


Lithology Pattern: 
Claystone


Relationships and Distribution

Lower contact

Lower boundary contact to Konark Fm is gradational to unconformable.

Upper contact

Upper boundary contact to Mahanadi Fm is gradational to unconformable.

Regional extent


GeoJSON

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Fossils

Globorotalia pseudopima, G. ungulate, G. tumida, Sphaeroidinella dehiscens and Rotaliotinopsis semiinvoluta, Pulleniatina preaecursor, Streptochilis globigerum.


Age 

Late Miocene - Pliocene

Age Span: 

    Beginning stage: 
Tortonian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
11.63

    Ending stage: 
Zanclean

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
3.60

Depositional setting

Non-marine to bathyal.


Depositional pattern:  


Additional Information


Compiler:  

D.S.N Raju