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Written by Wendy Pitlick
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Thursday, 26 August 2010 |
Sanford Lab permanent pumping system online at 7,500 feet
LEAD A deep well pumping system that could allow the lab to pump up to 2,000 gallons of mine water per minute from the deepest parts of the Homestake Mine, was put online this week.
The system increases pumping capacity at the mine. Up to this point the lab has been pumping about 400 gallons of water per minute, in preparation for the deep well system installation. Currently the lab is releasing 1,200 gallons per minute of mine water and 1,000 gallons per minute of water from Barrick Gold’s Grizzly Gulch Tailings Facility into the environment daily. The S.D. Science and Technology Authority blends the mine water with Barrick water for treatment purposes.
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Written by Wendy Pitlick
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Thursday, 26 August 2010 |
BHSU scientists working to study microbes from deep within the earth’s core
SPEARFISH Just what life forms are lurking in the depths of the earth? How do they survive? How do organisms that have theoretically never seen the light of day react when microbes from the surface are introduced in the form of surface water blending with water that is hidden in the deepest crevices of the earth’s core?
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Written by Wendy Pitlick
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Thursday, 26 August 2010 |
LEAD It’s full speed ahead at the Sanford Lab as crews report that excavation of the Davis Cavern should be completed this week.
Sanford Lab employees have been working since last September to excavate the 30-foot wide by 60 feet long by 49 feet high space to prepare it for the Large Underground Xenon dark matter detector. At the same time, they have been working diligently to excavate a 50-feet wide by 17 feet high by 135 feet long transition cavern for the lab. Project Manager Willy McElroy said crews will work through August to remove the remaining waste rock from the transition cavern before it will be done.
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