Acritarchs and associated microplankton from the Katageri formation of the Badami group, South India

Viswanathiah, M. N. and Venkatachalapathy, V. and Shankara, M. (1984) Acritarchs and associated microplankton from the Katageri formation of the Badami group, South India. Review of Palaeobotany and Palynology, 41 (1–2). pp. 13-30. ISSN 0034-6667

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The Katageri Formation of the Badami Group contains abundant dolomites which are spread over a number of places, most typically at Konkankop village, Bijapur District of Karnataka. This dolomite member reaches a thickness of about 35 m, and unconformably overlies the Gokak Quartzarenite of the Ramdurg Formation and underlies the Halkurki Argillites of the Katageri Formation. Detailed palynological studies of the dolomite, attempted here for the first time, revealed the occurrence of as many as thirty taxa falling under nineteen genera: Baltisphaeridium, Micrhystridium, Schismatosphaeridium, Dactylofusa, Leiofusa, Leiovalia, Navifusa, Ooidium, Ovulum, Symplassosphaeridium, Pterospermopsis, Granomarginata, Kildinella, Leiosphaeridia, Macroptycha, Nucellosphaeridium, Protosphaeridium, Bion and Tasmanites. Their morphosystematic study, comparative study of microbiota and biostratigraphic evaluation have provided data regarding the age of the rocks with which they are associated; accordingly, the age assignable to this Konkankop Dolomite could be Ordovician—Silurian.

Item Type: Article
Additional Information: Unmapped bibliographic data: PY - 1984/3// [EPrints field already has value set] JO - Review of Palaeobotany and Palynology [Field not mapped to EPrints]
Subjects: Physical Sciences > Earth Science
Divisions: PG Campuses > Manasagangotri, Mysore > Earth Science
Depositing User: Praveen Kumari B.L
Date Deposited: 08 Aug 2013 10:45
Last Modified: 08 Aug 2013 10:46

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