Bureau of Economic Geology

Gulf Coast Carbon Center

Cedar Keys/Lawson, Central Florida Region (10)

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Comments on Geologic Parameters

10 Fluid Residence Time:

There are essentially no data on ground-water flow rates and directions in the lower Cedar Keys and upper Lawson Dolomites. However, Meyers (1989, his fig. 13) showed that ground water in the lower Floridan aquifer are 10,000 yr old. In all probability the ground waters in the underlying lower Cedar Keys and upper Lawson Dolomites are significantly older. Therefore, we assign a date of more than 20,000 yr for fluid residence time in the lower Cedar Keys and upper Lawson Dolomites of southern Florida.

10 Reference:

Meyer, F. W., 1989, Hydrogeology, ground-water movement, and subsurface storage in the Floridan Aquifer system in southern Florida: U.S. Geological Survey, Professional Paper 1403-G, 59 p.


Cedar Keys/Lawson Parameters
Cedar Keys/Lawson home
Formation by parameter
01 Depth
02 Permeability/hydraulic conductivity
03 Formation thickness
04 Net sand thickness
05 Percent shale
06 Continuity
07 Top seal thickness
08 Continuity of top seal
09 Hydrocarbon production
10 Fluid residence time
11 Flow direction
12a CO2 solubility brine: formation temperature
12b CO2 solubility brine: formation pressure
12c CO2 solubility brine: formation water salinity
13 Rock/water interaction
14 Porosity
15 Water chemistry
16 Rock mineralogy

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