Tuesday, January 28, 2014

Geo 730: Jan. 28, Day 393: Rock Rainbow

Another shot of what I believe is secondary mineralization caused by weathering of pyrite and reprecipitation of metallic minerals on a cleavage plane of Galice slate. The rainbow colors are quite pretty.

Photo unmodified. May 8, 2013. FlashEarth Location. Indexed.
Posted by Lockwood at 1:03 PM
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1 comment:

Cujo359 said...

The iridescence reminds me a bit of the inside of an abalone shell.

January 28, 2014 at 1:18 PM

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