Sentinel Butte Formation (Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 25 : 無料・フリー素材/写真
Sentinel Butte Formation (Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 25 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | These are Paleocene-aged, nonmarine, mostly siliciclastic sedimentary rocks, weathered and eroded into badlands topography.Stratigraphy: Sentinel Butte Formation, upper Fort Union Group, Upper PaleoceneLocality: outcrop near Coal Vein Trail, Little Missouri Badlands, South Unit of Roosevelt National Park, western North Dakota, USA |
| 撮影日 | 2008-08-28 15:28:03 |
| 撮影者 | James St. John |
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