Focus on Sedimentary Environments

A modern carbonate beach and lagoon

Grassy Key, Florida Keys, USA

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sediment resin mount
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enlarged image
Tidal flat sediment, mounted in resin and polished. Scale in mm.
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Sediment composition

Ignore the 'swirly' effect in the sample, which is a result of the making of the resin mount, not a property of the original sediment.

On brief examination of the sediment (use the large image), what components can you identify? What range of grain size does the sample show?

Further information on grain size and other sediment properties.


Page © ; last updated 30 July, 2002