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A Giant Sediment Trap in the Florida Keys

Key Largo Sinkhole Seismic Profile

A
Cruise Track Plot
Location of high-resolution seismic track lines and approximate boundary of filled sinkhole.
B
Seismic Profile
Seismic profile (red line in figure A) across filled sinkhole. Note boundary between skeletal-sand cap and gas-filled lime mud below. Possible cave or cavern at left occurs in all profiles crossing southern edge of sinkhole.

[Introduction]
[Model | Sed rate | Oblique airphoto | Seismic profile | Mineralogy]

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U.S. Department of the Interior, U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
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Updated: 21 April, 1998@03:53:13 PM (THF)