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To:
Junior
the Grand Canyon was formed by a lightning bolt despite the lack of fulgarites
,/p>
Despite the fact that nearly ALL of the Grand Canyon is composed of silica quartz.
334
posted on
08/14/2002 9:09:44 PM PDT
by
Scully
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To:
All
D'oh! Too late in the evening. I meant silica SANDSTONE. Sorry.
335
posted on
08/14/2002 9:12:12 PM PDT
by
Scully
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