File:Gold-limonite, Buckhorn Mine, Crystal Hill Mining District, southern Colorado (14550539948).jpg

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Gold & limonite (brownish) from southern Colorado’s Buckhorn Mine, one of several old gold mines in the Crystal Hill Mining District. The area is in the mountains on the western flank of the Rio Grande Rift Zone. The Buckhorn Mine principally produced gold and silver, plus small amounts of a few other metals. Mineralization is associated with Tertiary-aged igneous intrusions and rift-related faults that cut through Precambrian gneisses.

Locality: Buckhorn Mine, Crystal Hill Mining District, south-central Saguache County, southern Colorado, USA.

(CSM # TM 12158, Colorado School of Mines Geology Museum, Golden, Colorado, USA)
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Source Gold-limonite, Buckhorn Mine, Crystal Hill Mining District, southern Colorado
Author James St. John

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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/14550539948. It was reviewed on 1 August 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

1 August 2014

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current22:15, 1 August 2014Thumbnail for version as of 22:15, 1 August 20141,234 × 1,249 (1.13 MB)Tillman (talk | contribs)Transferred from Flickr via Flickr2commons

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