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Karentia Volcanic Formation
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Karentia Volcanic Fm base reconstruction

Karentia Volcanic Fm

Period: 
Cretaceous

Age Interval: 
early Aptian


Province: 
NW.India Rajastan-Barmer Basin

Type Locality and Naming

SUBSURFACE: [Referred Publication: John Dolson, Stuart D. Burley, V.R. Sunder, V. Kothari, Bodapati Naidu, Nicholas P. Whiteley, Paul Farrimond, Andrew Taylor, Nicholas Direen, and B. Ananthakrishnan, 2015 : The Discovery of the Barmer Basin, Rajasthan, India, and its petroleum geology : AAPG Bulletin, 99 (issue 3, 1 Mar 2015), pp. 433-465; https://doi.org/10.1306/10021414045]


Lithology and Thickness

Volcanics.

[Figure 1: Detailed stratigraphy in the Barmer Basin, with newly proposed stratigraphic units, linked to summary tectonic evolution and reservoirs, seals and source rocks in the basin. (Dolson et al., 2015)]


Lithology Pattern: 
Lava


Relationships and Distribution

Lower contact

Unconformably overlies the Lathi Fm.

Upper contact

Unconformably overlain by the Ghaggar-Hakra Fm.

Regional extent

Exposed in Samoo hill area.


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[70.79,25.63],[71.05,26.35],[71.53,26.53],[71.72,26.19],[71.54,25.64],[70.79,25.63]]]]}}

Fossils


Age 

Aptian

Age Span: 

    Beginning stage: 
Aptian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
121.40

    Ending stage: 
Aptian

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
117.30

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

From appendix table in Dasgupta, S., and Mukherjee, S. (2017), Brittle Shear Tectonics in a Narrow Continental Rift: Asymmetric Nonvolcanic Barmer Basin (Rajasthan, India). J. Geol., v. 125, no. 5