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Schist Rock Formations
Photograph by Peter Essick
The Colorado River has eroded these schist formations into fudge-like shapes and shades. Schist, a metamorphic rock, contains mineral crystals that can be seen by the naked eye.
The Colorado River has eroded these schist formations into fudge-like shapes and shades. Schist, a metamorphic rock, contains mineral crystals that can be seen by the naked eye.