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5 answers

talking 'economic value'

salt

oil?

then manganese 'nodules'

and perhaps one day methane hydrate

2007-12-12 02:21:48 · answer #1 · answered by jamus d woespuss 4 · 0 0

Salt

2007-12-12 08:45:02 · answer #2 · answered by ic2olney 4 · 0 2

Extrusive igneous rock like basalt.

2007-12-12 10:10:52 · answer #3 · answered by Now and Then Comes a Thought 6 · 0 2

oil

2007-12-12 12:07:07 · answer #4 · answered by Loren S 7 · 0 0

silica/ sand or diatoms/microscopic zooflagellates.

2007-12-12 10:47:06 · answer #5 · answered by Peggy P 4 · 0 1

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