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Bureau of Economic Geology
10100 Burnet Rd. Bldg. 130
Austin
TX
78729
US
8-5
20230328
ArcGIS Metadata
1.0
BEG
10100 Burnet Rd. Bldg 139
Austin
Texas
78758
US
File Geodatabase Feature Class
0.012
Cedar Keys and Lawson Dolomites Top Seal Continuity
Areal extent of the confining zones
Publication Date: 2012
Geographic Extent: Central Florida
Continuity of top seal. As mentioned earlier, the middle Cedar Keys Formation, which makes up the top seal for the lower Cedar Keys and Lawson Dolomites, is a laterally continuous unit composed of massively bedded anhydrite (Miller, 1986; J. Haberfeld, Florida Department of Environmental Protection, personal communication, 2000). Miller (1986) provided numerous cross sections across southern Florida, demonstrating that this unit is laterally continuous. Although basement faults have been reported by numerous authors (Randazzo, 1997) across southern Florida, they should not regionally affect the hydraulic integrity of this anhydrite unit. To characterize the continuity of the top seal, we chose the map of Chen (1965), which shows the percent evaporites in the Paleocene Cedar Keys Dolomite. Winston (1994) also discussed evaporite distribution in the middle Cedar Keys interval (c8cedarkey). This map shows that the evaporites compose at least 20 percent of the Cedar Keys Dolomite throughout south central Florida.
Havorka, S., Romero, M., Warne, A., Ambrose, W., Tremblay, T., Trevino, R., and Sasson, D. "Sequestration of Greenhouse Gassesin Brine Formations: CO2 Brine Database. Bureau of Economic Geology Gulf Coast Carbon Center. 2012. https://www.beg.utexas.edu/gccc/research/brine-main
Central Florida
Cedar Keys/ Lawson
United States
Florida
Cedar Keys
Cedar Keys and Lawson Dolomites Top Seal Continuity
Cedar Keys and Lawson Dolomites
Lawson Dolomites
Lawson
Dolomite
Top Seal Continuity
Top Seal
Continuity
Polyline
Access constraints: Restriction Code: other restrictions; Other Constraints: Access constraints: None
Public access
Esri ArcGIS 13.0.0.36056
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