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Green Mountain Kimberlite | |
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Green Mountain kimberlite, Boulder Co., Colorado, USA Two examples of the Green Mountain Kimberlite (some polished faces) from Green Mountain, Boulder County, Colorado. The Green Mountain kimberlite is approximately 572 MA and is not known to be diamondiferous. |
| © J. Nemitz | Photo ID: 233067 View Count: 17 |
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