The Ottakovil formation (Also spelled Ottakoil) is a geological formation in the state of Tamil Nadu, India.[1]
Ottakovil formation | |
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Stratigraphic range: Middle Maastrichtian ~ | |
Type | Geological formation |
Unit of | Ariyalur Group |
Underlies | Kallamedu Formation |
Overlies | Kallakurichi Formation |
Location | |
Location | Ottakovil |
Description
editThe formation was a shallow marine environment with fossils of Echinoids, Nautilus, Ammonites, Alectronia as well as calcareous nannoplankton.[1][2]
Fossil Content
editFossils of Echinoids, Nautilus, Ammonites, Alectronia as well as calcareous nannoplankton have been reported from the formation as well.[1][2]
Color key
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Notes Uncertain or tentative taxa are in small text; |
Ichnofossils from the Ottakovil formation | ||||
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Genus | Species | Material | Notes | Member |
Thalassinoides | T.sp[1] | An ichnofossil made by decapod crustacens, or fish | ||
Ophiomorpha | O.sp[1] |
References
edit- ^ a b c d e "Ottakovil Formation". indplex.geolex.org. Retrieved 2024-12-18.
- ^ a b Rai, Jyotsana; Ramkumar, Mu.; Sugantha, T. (2012-12-26), "Calcareous Nannofossils from the Ottakoil Formation, Cauvery Basin, South India: Implications on Age and Late Cretaceous Environmental Conditions", On a Sustainable Future of the Earth's Natural Resources, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 109–122, ISBN 978-3-642-32916-6, retrieved 2024-12-19109-122&rft.date=2012-12-26&rft.isbn=978-3-642-32916-6&rft.aulast=Rai&rft.aufirst=Jyotsana&rft.au=Ramkumar, Mu.&rft.au=Sugantha, T.&rft_id=https://doi.org/10.1007/978-3-642-32917-3_5&rfr_id=info:sid/en.wikipedia.org:Ottakovil formation" class="Z3988">