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- Outcrop of Weverton Formation quartzite atop Biscuit Mountain, Pond Mountains (South of Thoroughfare Gap), Virginia by Callan Bentley
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A lovely outcrop on a lovely spring day.
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- 146
- Explore Score
- 26
- Graywacke and Tafoni Weathering on Sandstone, Ocean Beach, San Francisco, CA by Robin Rohrback-Schiavone
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Ocean Beach in San Francisco showcases some of the jumbled mess that is the Franciscan Complex. Here you can see graywacke abutting tafoni-weathered sandstone. Behind this wall is a small sea cave in which, until storms deposited about four feet of sediment in two years, the contact between the graywacke and underlying...
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- Total Views
- 223
- Explore Score
- 32
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- 4
- Total Views
- 1879
- Explore Score
- 1
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- 5
- Total Views
- 1951
- Explore Score
- 1
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