Image:Taum Sauk precambrian-cambrian unconformity.jpg
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Taum_Sauk_precambrian-cambrian_unconformity.jpg (153KB, MIME type: image/jpeg)
Description: Precambrian/Cambrian unconformity at the site of the Taum Sauk powerplant. The upper angled layer layer of grey dolomite is approximately 500 million years old. The reddish rhyolite on which the dolomite rests is approximately 1.5 billion years old. There is a billion years of geologic history missing in this picture.
Source: Photographed by Kbh3rd on May 30, 2005.
License: Licensed for use under your choice of either the Gnu Free Documentation License, version 1.2 or later, or the Creative Commons Attribution license, version 2.0. When used elsewhere, the image may be attributed to "Wikipedian Kbh3rd".
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
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This file is licensed under Creative Commons Attribution 2.0 License. |
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- (del) (cur) 23:08, 30 May 2005 . . Kbh3rd (Talk | contribs) . . 799×562 (156,274 bytes) (Precambrian/Cambrian unconformity {{cc-by}})
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