Qualla: Climax Mine

Climax Mine: Introduction

Fri, 30 Jan 2026 00:00:00 GMT

Photo credit Ken Lund from Las Vegas, Nevada, USA, CC BY-SA 2.0. In 1879, a prospector named Charles Senter staked a claim on Fremont Pass during the Colorado Silver Boom, convinced the gray mineral veining the rock had to be worth something. It was not gold. It was not silver. Senter had no idea what it was. He held those claims for sixteen years, performing the required annual assessment work, before a chemist finally identified the mineral as containing molybdenum. Even then, there was virtually no market for it. Senter would wait another two decades before selling his claims for 0,000 in 1918. The mine that rose on those claims, the Climax mine, went on to become the largest molybdenum mine on Earth, supplying three quarters of the world's molybdenum and reshaping modern metallurgy from a perch high on the Continental Divide.

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Image: Ken Lund from Las Vegas, Nevada, USA | CC BY-SA 2.0

Climax Mine: The Metal Nobody Wanted

Fri, 30 Jan 2026 00:00:00 GMT

Photo credit CC BY-SA 3.0. Molybdenum was a solution waiting for a problem. When Senter discovered the outcropping of molybdenite veins on Bartlett Mountain in 1879, the metal had no industrial application. He settled with his Ute wife a few miles north, worked a gold placer to make a living, and kept perf...

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Image: CC BY-SA 3.0

Climax Mine: A Mountain Consumed

Fri, 30 Jan 2026 00:00:00 GMT

Photo credit Jeffrey Beall, CC BY 4.0. The Climax Molybdenum Company reopened the mine in 1924 and operated it nearly continuously until the 1980s. The operation encompassed approximately 14,350 acres of patented mining claims at an elevation of roughly 11,300 feet on Fremont Pass, straddling the Continental Divide in...

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Image: Jeffrey Beall | CC BY 4.0

Climax Mine: Boom, Bust, and Rebirth

Fri, 30 Jan 2026 00:00:00 GMT

Photo credit Clyde Charles Brown, CC BY-SA 4.0. The mine shut down between 1995 and 2012 as molybdenum prices fell too low to justify extraction. Owner Freeport-McMoRan continued environmental cleanup while keeping the mine ready for a potential restart. In December 2007, the company announced a 00 million plan to reopen with ...

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Image: Clyde Charles Brown | CC BY-SA 4.0

Climax Mine: Healing the Divide

Fri, 30 Jan 2026 00:00:00 GMT

Photo credit James St. John, CC BY 2.0. Mining on this scale leaves scars that outlast the industry. About 20 different federal and state agencies have overseen Climax operations, including the EPA, the U.S. Forest Service, and the Bureau of Land Management. In 1991, the company declared the Storke Level ore abandoned ...

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Image: James St. John | CC BY 2.0