Geothermal Project Heats Up

The 10,000 miles of underground tunnels beneath Butte have filled with water since the closure of the Berkeley Pit and, in 1982, the shut-off of groundwater pumps that had dewatered the underground in the past. These waters are typically regarded as a liability, but a new project at Montana Tech is viewing the watery mines of Butte as a potential […]

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No More Chemocline

In the past, a chemocline was observed in the Berkeley Pit Lake. “Chemocline” refers to changes in the water chemistry at a certain depth. Pumping Pit water for copper extraction has caused the chemocline to disappear. For more on the chemocline and mining copper from Berkeley water, go HERE.

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