To: Piltdown_Woman
ping
To: longshadow
Damn! Spherulites? Ooids? Pisoliths? What I wouldn't give for a thin-section of these things. Could be volcanic glass, quartz, or calcium carbonate. If CaCO3, then we may be looking at the bottom of an ancient body of water.
42 posted on
02/07/2004 9:07:04 AM PST by
Aracelis
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