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Chintalapudi Formation
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Chintalapudi Fm base reconstruction

Chintalapudi Fm

Period: 
Permian

Age Interval: 
Late Permian


Province: 
E.India Krishna-Godavari Basin

Type Locality and Naming

LANDWARD: Named after Chintalapudi town. The type section is located in the southeast direction of Chintalapudi town at a small hill. The hypostratotype is in the well Kommugudem-A (depth interval: 3570-3375 m). It was named after the Chintalapudi town by King (1880), and ONGC team headed by Venkatarengan et al. (1993) adopted it and issued as Document-VII by KDMIPE, ONGC, Dehradun (1993). [Original Publication: King, W. (1880) The Upper Gondwanas and other formations of the coastal region of the Godavari district. Memoirs Geological Survey of India, Vol. 18 (3), pp. 151-113.]. Reference well: Karlacheruvu Hill and Well Kommugudem-A, About 10 Km in Karlacheruvu Hill and 3375-3570 m i.e., 195 m in Kommugudem-A well.

Synonyms: Chintalapudi Sandstone


Lithology and Thickness

Sandstone. This formation consists of predominantly sandstone with cross laminations. It has a thickness of 195 m.


Lithology Pattern: 
Sandstone


Relationships and Distribution

Lower contact

Unconformable with the Barakar Fm (see Gondwana Basins)

Upper contact

Unconformable with the Gollapalli Fm / Mandapeta Fm (but is partly coeval with the Mandapeta

Regional extent

Coeval with Kamthi Fm in Pranhita-Godavari Basin (Gondwana basins of Peninsular India)


GeoJSON

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Fossils

Plant fossils are Glossopteris species G. indica, G.angustifolia. G.communis, G.raniganjensis, G.intermedia, G.spathulata, G.liniaris, Vertibraria indica and Phyllotheca australis. Spore-pollen-Gaunipollenites, Striatopodocarpites striatites, Guttulapollenites, Weylandites and Lunatisporites (Prasad and Pundeer (1999)


Age 

Late Permian (Tatarian)

Age Span: 

    Beginning stage: 
Wuchiapingian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
259.55

    Ending stage: 
Induan

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
250.89

Depositional setting

Fluvial.


Depositional pattern:  


Additional Information

This formation is outcropped in Karlacheruvu Hill.


Compiler:  

D.S.N Raju and A. Nallapa Reddy