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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Blog post recommendation

Memories of Floods Past: The 1997 New Year's Day Flood in the Sierra Nevada

There is a very strange looking meadow in the Sierra Nevada foothills 700 feet above the Tuolumne River. Bedrock around here is generally poorly exposed and deeply weathered. The region is one of gentle topography, with low hills and broad open valleys. But in this meadow, the rocks are barren and unweathered, looking as if they were recently quarried. And in a sense they have. A river

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