File:Peloidal phosphorite Phosphoria Formation Simplot Mine Idaho.jpg

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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.

22 August 2014

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27 February 2013

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current21:08, 22 August 2014Thumbnail for version as of 21:08, 22 August 20141,344 × 799 (248 KB)TillmanTransferred from Flickr via Flickr2commons

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