Geotripper
News and views from the geologic realm
Showing posts with label
Devonian
.
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Showing posts with label
Devonian
.
Show all posts
Wednesday, July 16, 2008
Time Beyond Imagining - A Brief History of the Colorado Plateau, Part 4: Something is Missing!
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The Grand Canyon is assumed by many to be an encyclopedia of earth history, that the rocks exposed there reveal a complete sequence of sedi...
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