Large Scale Mining
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.
“The ability to have 20 tons produced here in America helps our country mitigate those supply concerns.”
The proposed mine would be built on state-owned land in the Bristol Bay region, near the world’s largest wild sockeye salmon fishery.
If approved, the project would use block caving to extract the remaining ore, most of which is 7,000 feet below ground level.
They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.
I’ve been following the precious metals for decades, and I haven’t seen a move this powerful in many years.
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
Polymetallic skarn deposits are an interesting class of deposits that can contain a number of different types of metals.
Many miners know that lead is very commonly associated with silver values, but the truth is that it is also associated with gold values in many locations as well.
We are at a crossroads; either we establish the mining, production and refining of rare earth elements here in the US or we remain subjected to the whims of the Chinese government.
- NEPA comments due
- Update on latest US Supreme Court suction gold dredging appeal
- Washington State tries to restrict suction gold dredging
US uranium mines produced less than 174,000 pounds in 2019, according to the February Energy Information Administration report. That’s down from 4.9 million pounds in 2014.
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.