A Giant Sediment Trap in the Florida Keys

Key Largo Sinkhole Mineralogy Data

Depth Mineralogy  mbsf   mbsl   Aragonite   Calcite   14C Age (years) 5 11.1 95 ± 5 5 ± 5 3,270 ± 60 6 12.1 95 ± 5 5 ± 5 * 7 13.1 95 ± 5 5 ± 5 * 8 14.1 95 ± 5 5 ± 5 * 9 15.1 95 ± 5 5 ± 5 * 10 16.1 95 ± 5 5 ± 5 3,640 ± 60 11 17.1 95 ± 5 5 ± 5 * 12 18.1 95 ± 5 5 ± 5 3,840 ± 70 13 19.1 95 ± 5 5 ± 5 * 14 20.1 95 ± 5 5 ± 5 * 15 21.1 95 ± 5 5 ± 5 4,060 ± 70 16 22.1 95 ± 5 5 ± 5 * 17 23.1 95 ± 5 5 ± 5 4,050 ± 70 18 24.1 95 ± 5 5 ± 5 * 19 25.1 95 ± 5 5 ± 5 * 20 26.1 95 ± 5 5 ± 5 4,220 ± 70 21 27.1 95 ± 5 5 ± 5 * 22 28.1 * * 4,630 ± 70 25 31.1 * * 4,820 ± 70 27 33.1 * * 4,760 ± 80 54.5+ 60.6+ 95 ± 5 5 ± 5 5,650 ± 90 * no samples sent for 14C age dating or run on the XRD. + sample from jet probe.

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

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