File:Green Dragon Spring (9 August 2011).jpg
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| Description |
English: Green Dragon Spring, southern Back Basin, southern Norris Geyser Basin, Yellowstone Hotspot, northwestern Wyoming, USA on 9 August 2011. (looking ~ESE)
At Green Dragon Spring, water emerges from three water-filled basins that form one larger pool having an irregularly elongated outline. The easternmost of these three basins occurs in a “cave”, under an overhang of lithified Upper Pleistocene disrupted kame deposits. The walls and ceiling of the “cave” are yellowish, greenish, and orangish in places, which can be difficult to see in the shadows and rising steam. The colored areas represent coatings of elemental sulfur and iron sulfates. The hot to boiling-hot, acidic water emerging at Green Dragon Spring appears to be derived via subsurface conduits or subsurface diffuse flow from Gray Lakes, immediately west of here. Green Dragon Spring’s water drains westward, back to Gray Lakes. Water at Green Dragon Spring is often deep green and slightly murky. During the annual Norris Geyser Basin disturbances, water here becomes muddy brown (= high abundance of suspended, fine-grained sediments). |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/8273509572/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/8273509572. It was reviewed on 30 October 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 19:38, 30 October 2020 | | 960 × 538 (334 KB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/8273509572/ with UploadWizard |
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