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When a layer of permeable rock sits on a denser layer, this can be a result. Water seeping down stops at the dense rock and works its way horizontally, dissolving copper and iron salts along the way. Zion National Park, Utah. | Canyonlands_20080529_155740_451_2X.jpg |
Iron and Copper | Copyright (c) Tom Nolle CIMI Corp. All rights reserved. |
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