File:Wyodak Coal (Upper Paleocene; Wyodak Coal Mine, Wyoming, USA).jpg
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| Description |
English: Sub-bituminous coal in the Tertiary of Wyoming, USA. (photo stitch by Mary Ellen St. John)
This is the thickest economic coal unit in America - the Wyodak Coal. It's a 70 to 90 feet thick sub-bituminous coal interval in the early Tertiary-aged Fort Union Formation. As the name suggests, sub-bituminous coal is a rank of coal that has characteristics of both lignite coal and bituminous coal. Sub-bituminous has a higher carbon content than lignite and lower carbon content than bituminous. Western American coal is highly desirable as it lacks much pyrite, which is moderately common in eastern American coal. If air pollution treatment measures are not in place, burning pyritic coal produces acid rain. A coal-burning power plant is present across the road (behind the photographer). Much coal from this mine is also shipped east via railroad. Stratigraphy: Wyodak Coal, Fort Union Formation, Upper Paleocene Locality: Wyodak Coal Mine, northern side of Interstate 90, 5 to 6 miles east of the town of Gillette, central Campbell County, Powder River Basin, northern Wyoming, USA (44° 18' 01.44" North latitude, 105° 23' 08.79" West longitude) See info. at: en.wikipedia.org/wiki/Wyodak_Mine |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/37910880924/ |
| 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@N05/37910880924. It was reviewed on 2 December 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 | |
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| current | 19:39, 2 December 2020 | | 6,222 × 1,365 (4.59 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/37910880924/ with UploadWizard |
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