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Pandikunta Limestone Formation
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Pandikunta Limestone Fm base reconstruction

Pandikunta Limestone Fm

Period: 

Age Interval: 


Province: 
Proterozoic S.India Pranhita-Godavari west basin

Type Locality and Naming

Middle formation (2 of 3) of Mallamapalli Gr


Lithology and Thickness

Limestone (thickness about 1270 m): consisting of limestone, dolomitic limestone, dolomite with common nonbranching stromatolites (Fig. – image B), and thin lenses of glauconitic sandstones

[Figure: Pranhita-Godavari valley basin Field photographs illustrating lithology and sedimentary structures. (A) Bollapalli Fm - Sandstones. (B) Pandikunta Limestone Fm - Stromatolites. (C) lower part of Mulug Gr - Intercalated conglomerate and sandstone. (D) Rajaram Fm - Limestones. (E) Sullavai Gr Venkatpur Sandstone Fm - Large aeolian cross-strata. (F) Albaka Gr - Cross-stratified sandstone. (G) Somandevara Quartzite Fm - Rippled unit. (from Saha et al., 2016)]


Lithology Pattern: 
Limestone


Relationships and Distribution

Lower contact

Underlain by Bollapalli Fm

Upper contact

Overlain by Karlai Shale Fm (or Pandikunta Shale Fm)

Regional extent

Approximately coeval with Kotapalle Limestone Fm and upper Madhumtorna Shale Fm of Devalmari Gr in Pranhita-Godavari east basin


GeoJSON

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Fossils


Age 


Age Span: 

    Beginning stage: 
Statherian

    Fraction up in beginning stage: 
0.55

    Beginning date (Ma): 
1,690.00

    Ending stage: 
Statherian

    Fraction up in the ending stage: 
0.7

    Ending date (Ma):  
1,660.00

Depositional setting

Tidal flat to stable 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.