- Ph.D. Columbia University, 1973
- Diplome d'Etudes Supérieures (Stratigraphy-Paleontology), Marseilles, 1967
- Licence des Sciences, Marseilles, 1966
Stratigraphy, paleoceanography, and paleogeography of the Caribbean. Radiolarian and smaller foraminiferal biostratigraphy. Litho- and biostratigraphy of deep sea sequences in the Caribbean Sea and exposed deep sea sequences on land. Climate changes as recorded in pelagic sequences. The Cretaceous-Tertiary Boundary in southern Haiti and other Caribbean sites.
Other interests include carbonate facies development and distribution in the Plio-Pleistocene carbonates of South Florida and their relation to the region's hydrogeology.