Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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The Bathonian-callovian Boundary in the Middle Jurassic Sediments of Jaisalmer Basin, Western Rajasthan


Affiliations
1 Department of Earth Sciences, Florida International University, Miami - 33 199, United States
     

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StrictIy localized collection of ammonites has helped demarcate the Bathonian-Callovian boundary in the Middle Jurassic outcrop of the Kuldhar section (Jaisalmer Basin). Latest Bathonian age has been assigned to the association of Sivajiceras congener (Waagen) [M] and Macrocephalites triangularis Spath [M] recorded from the lower "beds" of the Kuldhar Member ("bed" 4), facilitating the placement of the Bathonian-Callovian boundary between "beds" 4 and 5

Keywords

Middle Jurassic, Bathonian-Callovian boundary, Kuldhar section, Jaisalmer Basin, Western Rajasthan.
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  • The Bathonian-callovian Boundary in the Middle Jurassic Sediments of Jaisalmer Basin, Western Rajasthan

Abstract Views: 196  |  PDF Views: 2

Authors

Sreepat Jain
Department of Earth Sciences, Florida International University, Miami - 33 199, United States

Abstract


StrictIy localized collection of ammonites has helped demarcate the Bathonian-Callovian boundary in the Middle Jurassic outcrop of the Kuldhar section (Jaisalmer Basin). Latest Bathonian age has been assigned to the association of Sivajiceras congener (Waagen) [M] and Macrocephalites triangularis Spath [M] recorded from the lower "beds" of the Kuldhar Member ("bed" 4), facilitating the placement of the Bathonian-Callovian boundary between "beds" 4 and 5

Keywords


Middle Jurassic, Bathonian-Callovian boundary, Kuldhar section, Jaisalmer Basin, Western Rajasthan.