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A giant sediment trap in the Florida keys

January 1, 1996

Aerial photography, high-resolution seismic profiling, coring and jet probing have revealed a large sediment-filled sinkhole in the Key Largo National Marine Sanctuary off Key Largo, Florida. The 600-m-diameter feature straddles coral reef and carbonate-sand facies and contains >55 m of marine lime sand and aragonite mud. Bulk 14C age determinations of mud from a 30- m sediment core indicate infilling rates exceeding 20 m/ka between 3 and 5.6 ka. The total thickness and nature of the sediment near the base of the sinkhole are not known.

Citation Information

Publication Year 1996
Title A giant sediment trap in the Florida keys
DOI
Authors E.A. Shinn, C.D. Reich, S.D. Locker, A. C. Hine
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Coastal Research
Series Number
Index ID 70018960
Record Source USGS Publications Warehouse
USGS Organization