Gold mine that produced 41 million ounces now houses America's deepest lab
The former Homestake Gold Mine in South Dakota has been repurposed into the Sanford Underground Research Facility, the deepest laboratory in the United States. The site now hosts advanced physics experiments, including research on neutrinos.
Why it matters
It highlights the successful transition of industrial infrastructure into scientific research facilities, enabling breakthroughs in fundamental physics.
A gold mine in South Dakota once produced millions of ounces of precious metal. Today, the same site is being used to study some of the biggest mysteries in the universe.The Homestake Gold Mine in Lead, South Dakota, operated for 125 years before it closed in 2001. According to Sanford lab, during its lifetime, the mine produced about 41 million ounces of gold and 9 million ounces of silver, making it the largest and deepest gold mine in North America at the time.The mine later took on a completely different when in 2006, businessman T Denny Sanford pledged $70 million to help revive plans for an underground research laboratory. Barrick Gold Corporation, which owned the Homestake property, donated land, while South Dakota committed more than $40 million to the project.
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