Location of high-resolution seismic track lines and approximate boundary of filled sinkhole.
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.
[Model | Sed rate | Oblique airphoto | Seismic profile | Mineralogy]