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An Experimental Petrologic And Geochemical Study Of Deccan Trap Basalts : Part I, Deccan Traps From Tamia, Central India ; Part Ii, Crystallization Relationships Of Deccan Basalts At 6.35 Kbars, Tobi Helene Cohen
FIU Electronic Theses and Dissertations
New major, minor, and trace element data for the Chakhla- Delakari sill and three nearby lava flows in the proximal area of Tamia are presented. Based on abundances of trace elements, it is inferred that the sill was the feeder of the two uppermost lava flows which tapped magmas from a LREE-, Rb-enriched source. The oldest (lowermost) flow shows greater affinity with the western Deccan lavas. The association of the feeder sill with a large network of parallel trending sills and dikes, and the elongate Satpura Dome, is taken to infer that a major locus of eruption of the Deccan …