File:KansasPopRock2.jpg
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Summary
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Iron Sulfide Concretions
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| Description | Typical examples of iron sulfide concretions, which are certified Boji stones. They are found in the Smoky Hill Chalk Member of the Niobrara Formation of Kansas. Both regular, upper row, and polycuboidal, lower row, varieties shown in picture. These concretions are about 3 centimeters in diameter. |
| Date | |
| Source | Own work |
| Author | Paul Heinrich |
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:09, 11 March 2008 | | 1,080 × 718 (1.42 MB) | Cristellaria (talk | contribs) | {{Information |Description=Typical examples of iron sulfide concretions, called “Kansas Pop Rocks”, which are found in the Smoky Hill Chalk Member of the Niobrara Formation of Kansas. Both regular, upper row, and polycuboidal, lower row, varieties sho |
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