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- Unit is exactly "Supai Formation"
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Supai Sandstone
A classic red-bed sample typical of the sandstones from the Supai Formation.
Both thin section images were taken at a 400x magnification.
Both thin section images were taken at a 400x magnification.
Supai Shale
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.
Both thin section images were taken at a 400x magnification.