Water availability and geology of Sumter County, Alabama
Open-File Report
75-459
By: Marvin E. Davis, Thomas H. Sanford, and Patrick O. Jefferson
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Abstract
Geologic units that crop out in Sumter County include the Selma Group of Late Cretaceous age; the Midway and Wilcox Groups of Tertiary Age; and terrace deposits and alluvium of Quaternary age. The Tuscaloosa Group, consisting of the Coker and Gordo Formations, and Eutaw Formation of Late Cretaceous age underlie the entire county. The Cretaceous units dip southwestward about 45 feet per mile and strike northwestward. They consist chiefly of deposits of sand, gravel, chalk, and clay.
Potential sources of large supplies of ground water are major aquifers in the Coker, Gordo, and Eutaw Formations; expected yields are 1.6 mgd (million gallons per day or more per well. The Naheola and Nanafalia formations, Tuscahome Sand, and terrace deposits and alluvium are expected to yield 10 to 50 gallons per minute per well.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Water availability and geology of Sumter County, Alabama |
| Series title | Open-File Report |
| Series number | 75-459 |
| DOI | 10.3133/ofr75459 |
| Edition | - |
| Year Published | 1975 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 48 leaves :ill. (some col.), maps (some folded, col.) ;29 cm.; (193 p. - PGS) |
| Google Analytic Metrics | Metrics page |