File:Black shale (New Albany Shale, Upper Devonian; Clark County, Indiana, USA) (41694033411).jpg
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| Description |
Black shale from the Devonian of Indiana, USA. (public display, Geology Department, Wittenberg University, Springfield, Ohio, USA) From exhibit signage: Oil shale contains bituminous matter that yields petroleum by destructive distillation. A ton of rich oil shale may yield from 18 to 40 gallons of crude oil. It cannot compete with natural petroleum because of its greater cost to produce. Pilot plants have been experimenting with it for a number of years. It will probably constitute a large future reserve of oil. Large deposits occur in Colorado, Utah, Wyoming, Scotland, and elsewhere. The specimen shown here is the New Albany Shale from Clark County, Indiana. |
| Date | |
| Source | Black shale (New Albany Shale, Upper Devonian; Clark County, Indiana, USA) |
| 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@N05/41694033411 (archive). It was reviewed on 7 December 2019 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 | 19:06, 7 December 2019 | | 3,733 × 2,076 (4.88 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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