|mhorn||Дата: Tuesday, 06.03.2012, 13:14 | Сообщение # 1|
|Talib A., Gaur K.N., Singh Y.P., Wasim S.M., Anjum S. (2012) Some Foraminiferal Taxa in the Middle to Late Jurassic Sediments of Kaiya Dome, Kutch // Journal of the Geological Society of India. Vol.79, pp.161-168. |
The Chari Formation exposed at Kaiya Dome, Kutch yielded a foraminiferal assemblage comprising 41 species dominated by the family Vaginulinidae. A systematic account of 11 species, reported for the first time form the Indian subcontinent, is presented. The foraminiferal assemblage is employed for preliminary interpretations regarding age, palaeoecology, and palaeobiogeography. The assemblage suggests a Callovian to Oxfordian age for the exposed sequence at Kaiya Dome. A near shore, open marine environment ranging from mid to outer shelf with fluctuating strandline is interpreted on the basis of the recovered foraminiferal assemblage. The Kaiya Dome foraminiferal assemblage exhibits a Tethyan affinity and suggests that the Kutch region, along with neighbouring regions, was engulfed by a shallow southwestern arm of Tethys during Middle to Late Jurassic times.
Middle Jurassic - Lower Cretaceous ammonites & aptychi