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Karasur Formation

Karasur Fm


Period: 
Paleogene

Age Interval: 
early Paleocene (outcrop at Pondicherry area)


Province: 
E.India Cauvery Basin

Type Locality and Naming

PONDICHERRY OUTCROP:


Lithology and Thickness

Composed mainly of coarse, bioturbated impure calcarenite with scattered shell and corals, massive or indistinctly bedded and variably cemented resulting in nodular fabric. It is approximately 120 m thick;"


Lithology Pattern: 
Sandy limestone


Relationships and Distribution

Lower contact

Conformable onto Mettuveli Fm

Upper contact

Conformably overlain by Manaveli Fm

Regional extent

not available. NOTE: GeoJSON omitted pending more information; but seems limited to Pondicherry Outcrop


GeoJSON

null

Fossils


Age 

Early Paleocene (vague)

Age Span: 

    Beginning stage: 
Danian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
66.04

    Ending stage: 
Selandian

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
60.45

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Extracted from Shyam N. Mude Shyam Yawale and Vishal Choudhari (2020) "Sedimentological and geochemical characterization of Manaveli and Cuddalore formations, Puducherry Basin, India", Journal Indian Association of Sedimentologists, 37 (2): 115-130.