Focus on Sedimentary Environments

Modern subtropical carbonate beach

Sombrero Beach, Marathon, Florida Keys, USA

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carbonate gravel
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Carbonate beach sediment
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Sediment components

Examine the sediment in the image, and the enlarged image. Try to identify and list the main components of the sediment, in terms of biological groups.

Where did the different sediment components originally grow? The benthic habitat maps (tiles 14 and 15)of this area may enable you to answer the question.

Page © ; last updated 30 July, 2002