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| Description |
This rock has economic value - it’s a phosphate ore. The Phosphoria Formation is extensively mined in the Southeast Idaho Phosphate District. Phosphate and elemental phosphorus derived from processing of phosphorite rocks are used to make agricultural fertilizers and industrial chemicals. The Phosphoria Formation is the most famous phosphorite unit in America. On a global scale, phosphorite deposition was at its maximum, volumetrically, during the Neoproterozoic and Cambrian (see Zhongyicun Member phosphorite specimen). |
| Date | |
| Source | Peloidal phosphorite (4.6 cm across) from the Phosphoria Formation (Roadian Stage to Wordian Stage, lower Guadalupian Series, mid-Permian) at the Simplot Mine, southern Bingham County, southeastern Idaho, USA. |
| Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/8514036374. It was reviewed on 22 August 2014 by FlickreviewR 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 | 21:08, 22 August 2014 |
| 1,344 × 799 (248 KB) | Tillman | Transferred from Flickr via Flickr2commons |
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