Shelf Sedimentation, Shelf Sequences and Related Hydrocarbon Accumulation
SHELF SANDSTONES OF THE ROBULUS L ZONE, OFFSHORE LOUISIANA
Published:December 01, 1989
GEORGE F. HART, RAY E. FERRELL, JR, DONALD R. LOWE, ANN E. LENOIR, 1989. "SHELF SANDSTONES OF THE ROBULUS L ZONE, OFFSHORE LOUISIANA", Shelf Sedimentation, Shelf Sequences and Related Hydrocarbon Accumulation, Robert A. Morton, Dag Nummedal
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A detailed palynologic, sedimentologic, and mineralogic investigation of the Robulus L No. 2 and the Robulus L No. 5 sands in cores from Texaco well No. 6 of Vermilion Block 31, offshore Louisiana, confirms that the units were deposited in the middle to outer part of the continental shelf during the early Miocene Epoch. The co-occurrence of the dinocysts, Hystrichosphaeropsis obscura and Lejeunecysta hyalina, further restricts the cored intervals to the Burdigalian Age. Variations in the abundances of Polysphaeridium zoharyi, Lingulodinium machareophorum, Tuberculodinium vancampoae, and terrestrial organic matter indicate the sediments are mixtures of marine and...