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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 38 (1968)No. 3. (September), Pages 863-868

A Florida Sabellariidae Reef and its Effect on Sediment Distribution

Ralph Gram

ABSTRACT

Heavy minerals and size distribution of bottom sediments and reef materials have been examined in a Sabellariidae reef at Seminole Shores, Florida, approximately 100 miles northeast of Miami. Heavy mineral and shell fragment percentages in the reef material are up to ten times greater than in the adjacent bottom sediment. This distribution results from the tendency of the worm Phragmatopoma lapidosa to utilize the finer mineral grain sizes and platy shell fragments in tube construction. Accordingly, these worms improve the sorting of the beach sediments to a significant degree.


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