Geology of the Colorado Plateau
The Colorado Plateau is a huge block in the earth's crust; penetrated by fractures and rifts, it remained as one, the blocks around it were tilted, squeezed and broken.
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Geologists have observed that the earth's magnetism and gravity change here. Impressing relics ofvolcanoes and torrents of lava are witnesses of far more eventfui times in the history of this block of crustal plate.
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In the course of the seasons, in the course of one single day, the colours change constantly: from purple into vermilion, from ochre into golden yellow. Myriads of tiny little crystal surface in the rock refract and reflect the light that shines on them, depending on the course of the sun, on clouds in the sky, on dust in the air, on rain that cleans them.

Extracts of Ulrike Stottrop