Harding Mine

Taos County, United States

The Harding Pegmatite Mine is a former adit mine that extracted lithium, tantalum, and beryllium from a Precambrian pegmatite sill. It ceased operations in 1958 and its owner, Arthur Montgomery, donated it to the University of New Mexico, which runs the site as an outdoor geology laboratory with mineral collecting permitted on a small scale.

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Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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