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Baripada Beds Formation
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Baripada Beds Fm base reconstruction

Baripada Beds Fm

Period: 
Neogene

Age Interval: 
Middle to Late Miocene


Province: 
E.India Mahanadi Basin

Type Locality and Naming

OUTCROP (the only formation in outcrop in Mahanadi Basin!)

[Original Publication: Hora, S.L. 1939. On two small collection of fossil remains from Balasore, Orissa. Record of Geological Survey of India, 74(2): 199-215.]


Lithology and Thickness

Conglomerates, Shales and Limestone

[Figure 1: Composite lithosection of Baripada beds and its distribution of fossil remains, Mahanadi Basin (Source: Sharma and Patnaik 2013,2014)]


Lithology Pattern: 
Coarse-grained sandstone


Relationships and Distribution

Lower contact

Upper contact

Regional extent

OUTCROP


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[87.01,21.85],[86.67,21.78],[86.57,21.6],[86.32,21.53],[86.05,20.93],[85.5,20.41],[85.41,19.92],[85.08,19.78],[84.66,19.11],[85.03,18.67],[85.86,19.36],[87.95,20.58],[87.01,21.85]]]]}}

Fossils

The record of Orbulina suturalis by Bhalla and Dev (1975) from the limestone bed suggests an age not older than 14 Ma (not older than Middle Langhian of Middle Miocene. The discovery of Late Miocene suid T. intermedius from shale overlying the limestone is significant, as it suggests an age range of 10-8 Ma.


Age 

The integration of above points validates that the Baripada beds belong to Middle to Late Miocene age.

Age Span: 

    Beginning stage: 
Langhian

    Fraction up in beginning stage: 
0.5

    Beginning date (Ma): 
14.91

    Ending stage: 
Tortonian

    Fraction up in the ending stage: 
0.7

    Ending date (Ma):  
8.56

Depositional setting

Shallow marine, relatively under low energy conditions


Depositional pattern:  


Additional Information


Compiler:  

D.S.N Raju