Castle Geyser eruption (6.56 PM on, 11 August 2013) 31 : 無料・フリー素材/写真
Castle Geyser eruption (6.56 PM on, 11 August 2013) 31 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | Castle Geyser (Castle Group, Upper Geyser Basin, Yellowstone Hotspot Volcano, northwestern Wyoming, USA).Castle Geyser is the namesake & largest member of the Castle Group in Yellowstone’s Upper Geyser Basin. It has a large, gray, asymmetrical, terraced geyserite mound that is relatively old, estimated to be near-latest Pleistocene to mid-Holocene in age. Minor eruptions are water-phase only, and last less than 15 minutes. Major eruptions have a longer-than-15 minutes water phase, which gradually changes to a mixed water-steam phase and then a moderately noisy steam phase. |
| 撮影日 | 2014-02-26 22:17:10 |
| 撮影者 | James St. John |
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