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publications > report > MGS-Whitley 1994


Miami Geological Society Publications
MGS- Whitley 1994

The Effects of Diagenesis on the Hydrology of the Surficial Aquifer, Broward County, Florida

By

Joseph F. Whitley

ABSTRACT

The Surficial Aquifer system of southeastern Florida supplies drinking water as a sole-source aquifer in Dade, Broward, and southernmost Palm Beach County. The aquifer consists primarily of marine to fresh water carbonates of Plio-Pleistocene age.

This study shows the relationships between diagenesis and the hydrology of the Surficial Aquifer in Broward County. Lithology and trace element concentrations were employed to determine zones of relatively high diagenesis. These zones are plotted on lithologic cross-sections and compared to geohydrologic cross-sections by Fish (1987). Zones of low hydraulic conductance (100 feet per day or less) correlate well with zones of high diagenetic trace element signatures. Lithologic and geochemical techniques of investigation used in this study can be helpful in the mapping of hydraulic conductance in similar carbonate terrains.

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Last updated: 23 December, 2004 @ 12:05 PM (KP)