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Photos and comments from Arizona and around the world
by James Tanner May 17 2013, 19:11
Desert Varnish http://t.co/xWzohK8CXy James Tanner (@Genealogysstar)May 17, 2013
Desert Varnish http://t.co/xWzohK8CXy
Desert Varnish
With the rain coming down in sheets, it was interesting to see the patterns of the rain water on the cliffs. It dramatically illustrated why the desert varnish (mostly minerals such as manganese dissolved in the water) is formed from rain water.
http://fb.me/2BkqV7Z5D
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