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Re: causes of K-T ferns
Dan Varner writes:
Bentonite is "fossilized" volcanic ash--turned into a clay. It's
rather soapy in texture and is used as a drilling mud and a filler in candy
bars and many other things.
Candy bars??? Which candy bars in particular?
Gosh, am I eating volcanic ash whenever I bite into a Snickers?
ZH
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