--> Abstract: Recognizing Marine-Burial Diagenesis: Criteria and Examples from Quaternary to Neogene Platform to Slope Carbonates, Bahamas and Florida, by L. A. Melim and P. K. Swart; #90937 (1998).

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Abstract: Recognizing Marine-Burial Diagenesis: Criteria and Examples from Quaternary to Neogene Platform to Slope Carbonates, Bahamas and Florida

MELIM, LESLIE A., Western Illinois University; PETER K. SWART, University of Miami

Summary

Marine-burial diagenesis of Neogene platform to slope carbonates takes place in marine pore fluids during shallow burial and results in a mature limestone with moldic porosity, blocky to dogtooth calcite spar, and neomorphism. These fabrics are essentially identical to fabrics long considered diagnostic of meteoric diagenesis but the stable carbon and oxygen isotopic values indicate alteration is seawater. We present three examples from cores in the Bahamas and Florida that document the range of fabrics formed during marine-burial diagenesis in high and low permeability sediments.