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Research Paper | Geology | India | Volume 3 Issue 6, June 2014 | Popularity: 6.2 / 10

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Planktonic Foraminifera from Vridhachalam area; Cauvery Basin; South India; Tamil Nadu

N.Malarkodi

Abstract: The paper records the occurrence of well-preserved planktic foraminifera from Vridhachalam area of the Cauvery Basin; Tamil Nadu; south India. Preliminary analysis of the samples from Vridhachalam area shows abundant well preserved planktic foraminifera belonging to Parasubbotina; Subbotina; Igorina; Acarinina and Morozovell. ; Seventeen planktic foraminiferal species recorded in all the outcrop sections indicate Palaeocene early Eocene age. Reworked late Maastrichtian planktic foraminiferal species (Hedbergella holmdelensis; Globotruncana arca; and Globotruncana sp. ; Rugoglobigerina rugosa are common suggesting erosion of uplifted Cretaceous sediments. Species are illustrated based on SEM microphotographs.

Keywords: Planktic Foraminifera, Paleocene-Eocene, Biostratigraphy, Vridhachchalam, Cauvery Basin

Edition: Volume 3 Issue 6, June 2014

Pages: 32 - 35

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