Glacier groove in Precambrian gneiss. From the Geology Teaching Slides of Dr. Arthur Gibbs Sylvester.
Sunday, October 2, 2011
Glacier Groove in Precambrian Gneiss
Glacier groove in Precambrian gneiss. From the Geology Teaching Slides of Dr. Arthur Gibbs Sylvester.
Labels:
arthur gibbs sylvester,
geology,
photography
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