Large Scale Mining
New Technology for Extracting Lithium To Be Tested in Nevada
December 2017 by George Corfield
Production of the Lithium will be completed in a 48-hour process with much less waste and a substantial increase of recovery rates from around 40% with conventional evaporation to near 90%.
Hardrock 101
April 2023Scaling and Hazard Rock
Critical Minerals: Titanium
The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.
The ABCs of XRF
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
Managers at Fault for Two Deaths at Meikle Mine
Two miners were killed in an accident partly because someone wedged a broom handle against a reset button to bypass an alarm that would have shut down the system, federal safety investigators said.
Mohave County, Arizona: The Oatman/San Francisco Mining District
The Oatman/San Francisco Mining District’s historic gold production of 2.2 million ounces of gold since the 1880s makes this area Arizona’s greatest primary gold producing district.
Comstock Mining Gets Approval
The approval, which affects 87 acres on the south end of Silver City, allows the company to move forward with exploration to determine the area's mining potential.
EPA Recommends Against Reissuing Permit for PolyMet Mine
PolyMet contends the project will actually reduce mercury and sulfate discharges into the St. Louis River watershed because it will clean up an old iron mining waste pond at the processing plant site.
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