Episode Details

Discover how Kennecott Mines in Alaska became a copper empire thanks to a mind-blowing natural process: copper-rich fluids from ancient greenstone rocks were funneled through fractures into limestone, creating ultra-pure, massive ore deposits. Today, as a historic landmark managed by the National Park Service, you can still see the geology’s legacy—like that vibrant green malachite streak in the rock—offering a tangible link to the geological magic that fueled one of America’s greatest mining feats.

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