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Rabanpalli Formation
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Rabanpalli Fm base reconstruction

Rabanpalli Fm

Period: 
Tonian

Age Interval: 
Late Tonian


Province: 
Proterozoic S.India Bhima Basin

Type Locality and Naming

Lowest formation (1 of 5) in Bhima Gr


Lithology and Thickness

Conglomerate, pebbly sandstone, quartz arenite (Fig – images A and B).

[Figure Bhima Gr gield photographs illustrating lithology and sedimentary structures. Rabanpalli Fm - (A) Granule conglomerate and coarse grained sandstone alternation; and (B) Thick-bedded, planar cross-stratified beds alternating with planar parallel beds. (C) Shahabad Limestone Fm - limestone-marl rhythmite. (D) Gray flaggy limestone (Katamdevarahalli Limestone Fm), over brown shale of Halkal Fm. Note sharp contact (black arrow) between the two. (from Saha et al., 2016)]


Lithology Pattern: 
Conglomerate


Relationships and Distribution

Lower contact

Angular unconformity onto greenstone belt, Closepet granite (Archean)

Upper contact

Overlain by Shahabad Limestone Fm

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[76.16,16.21],[76.11,16.48],[76.75,17.15],[77.43,17.45],[77.69,17.2],[76.16,16.21]]]]}}

Fossils


Age 


Age Span: 

    Beginning stage: 
Tonian

    Fraction up in beginning stage: 
0.76

    Beginning date (Ma): 
787.20

    Ending stage: 
Tonian

    Fraction up in the ending stage: 
0.78

    Ending date (Ma):  
781.60

Depositional setting

Fan-delta conglomerate, then upward transition to shallow shelf.


Depositional pattern:  


Additional Information


Compiler:  

From: Saha D. (Dilip), Patranabis-Deb, S., and Colllins, A.S. (2016) Proterozoic stratigraphy of southern Indian cratons and global context. In: Stratigraphy & Timescales, 1: 1-59.