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EvC Forum ⇒ Science Forums ⇒ Geology and the Great Flood ⇒

How to make sand.

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purpledawn
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Message 10 of 121 (429369)
10-19-2007 1:54 PM 		Reply to: Message 9 by iceage
10-19-2007 1:03 PM

Sand or Fish Poop?
There's the sand from the parrot fish. Would that be considered biologically derived?
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Much of the fine white sand found in coral reef settings is ground-up coral (limestone) that has passed through the digestion system of the parrot fish.
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