NDLI: Of Stromatolites in a Mixed Siliciclastic-carbonate Succession : an Example from Palaeo-mesoproterozoic Tadpatri Formation , Cuddapah Basin , India

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Of Stromatolites in a Mixed Siliciclastic-carbonate Succession : an Example from Palaeo-mesoproterozoic Tadpatri Formation , Cuddapah Basin , India

Content Provider	Semantic Scholar
Author	Mitra, Rahul Chakrabarti, Gopal Shome, Debasish
Copyright Year	2018
Abstract	The thick succession of Palaeo-Mesoproterozoic Tadpatri Formation in an around Utakonda (15°16ʹ08.80ʹʹN, 77°52ʹ01.77ʹʹE) is represented by mixed siliciclastic-carbonate succession with mafic-ultramafic sill bodies. Stromatolites are commonly observed in an association with the carbonates. The vertical distribution as well as the changing patterns of the stromatolite in the studied section of the Tadpatri Formation is documented. Stratifera, domals and columnars are the most common types and these all are dominantly recorded in six different stratigraphic horizons of the studied section. Domals are small to large, hemispherical to slightly elongated and isolated to laterally link. Columnars are also small to large in size, laminae are convex-upward and branching is occasionally observed. In the lower most stromatolitic horizon (H-I) stratifera is dominant whereas in the upper horizons (H-V and H-VI) large sized domals and columnars are common. Small to medium sized domals and columnars are most common in the lower to middle stromatolitic horizons (H-II, H-IV). Branching in columnar stromatolite is also observed but restricted within the second stromatolitic horizon (H-II). Stratifera stromatolites are mainly formed in supratidal-intertidal environment whereas domals and columnars are formed in intertidal-subtidal environment.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://ijrar.com/upload_issue/ijrar_issue_1241.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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