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Cannore Formation
Click to display on map of the Ancient World at:
Cannore Fm base reconstruction

Cannore Fm

Period: 
Neogene

Age Interval: 
Early Miocene


Province: 
S.India Kerala Konkan Basin

Type Locality and Naming

SUBSURFACE: The type section is in the Well CSP-1, Interval is 2060-2287m and thickness is 227m. [Original Publication: Mathur, R.B., Sreekantswamy, H.N., Ananthakrishna, K., Srivatsava, U.C., Biswas, S.K., Krishna, A., Bhosale, J.S., Rao, K.V.N., Satyanarayana, Y., Rathod, G.D., Bose, P.K., and Karwal, S. 1993: Lithostratigraphy of Indian Petroliferous Basins, Document VI, Kerala Konkan Basin, KDMIPE, ONGC Publication, pp 1-33.]

[Figure 1: Location map of type section (after J.Mishra in Raju and Misra, 2009)]


Lithology and Thickness

Claystone. Shales / claystone and sandstone with thin limestone bands with larger forams, molluscan shell fragments.

[Figure 2: Lithostratigraphy of Kerala-Konkan Basin (from dghindia.gov.in)]


Lithology Pattern: 

Relationships and Distribution

Lower contact

Lower boundary is unconformably overlies the Karwar Fm; or Calicut Fm (locally, which is also above the Karwar Fm)

Upper contact

Upper boundary is an unconformity below the overlying Mangalore Fm.

Regional extent


GeoJSON

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Fossils

Miogypsina, (L.) exentrica, Globorotalia sp. Uvigerina sp., Lenticulina sp.,


Age 

Early Miocene

Age Span: 
Beginning stage: BurdigalianFraction up in beginning stage: 0.0Beginning date (Ma): Ending stage: BurdigalianFraction up in ending stage: 1.0Ending date (Ma):

    Beginning stage: 
Burdigalian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
20.45

    Ending stage: 
Burdigalian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
15.99

Depositional setting

A fluctuating environment between middle shelf and upper bathyal.


Depositional pattern:  


Additional Information


Compiler:  

D.S.N Raju