Reflected light photomicrograph of pitted galena for #ThinSectionThursday #geology #cdnsci http://pic.twitter.com/oOHOVOs5zR
— Steve Piercey (@steve_piercey) May 25, 2017
via Twitter https://twitter.com/steve_piercey
May 25, 2017 at 01:22PM
Reflected light photomicrograph of pitted galena for #ThinSectionThursday #geology #cdnsci http://pic.twitter.com/oOHOVOs5zR
— Steve Piercey (@steve_piercey) May 25, 2017
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