File:Agate Bridge- Water Under Bridge.jpg
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English: Water created Agate Bridge and will destroy it. The fossilized tree that now forms Agate Bridge grew in a lush subtropical forest 217 million years ago. When this tree died, it washed into a river and its quick burial by river sediments prevented decay. Volcanic ash dissolved in groundwater provided silica, which reacted with the log and slowly crystallized it into quartz. Million of years later, rivers and streams eroded massive layers of rock strata to expose this fossilized tree. Inevitably, water now carving the small gully under Agate Bridge will cause its collapse. The supportive concrete span, constructed in 1917, is tenuous attempt at preservation. Water will always have its way.
Agate Bridge @ Petrified Forest National Park, Arizona |
| Date | |
| Source | https://www.flickr.com/photos/44124370018@N01/49536031492/ |
| Author | daveynin |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by daveynin at https://flickr.com/photos/44124370018@N01/49536031492. It was reviewed on 15 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:38, 15 March 2020 | | 3,984 × 2,656 (3.13 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by daveynin from https://www.flickr.com/photos/44124370018@N01/49536031492/ with UploadWizard |
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