Browse Items (2 total)

  • Unit is exactly "Supai Formation"

http://dl.dropbox.com/u/66399955/GC-15.JPG
Classic red-bed sample from the Supai Formation with silt-sized grains of mostly quartz. Some grains are semi-rounded.

Both thin section images were taken at a 400x magnification.

http://dl.dropbox.com/u/66399955/GC-14.JPG
A classic red-bed sample typical of the sandstones from the Supai Formation.

Both thin section images were taken at a 400x magnification.
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