For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.

Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.

Since last year’s articles on explosives for mining, several people have asked for more information about becoming a licensed blaster.

I had a chance to visit the operation in person and talk with Neal. I was very impressed and I think our readers could learn a lot about building up a commercial placer operation from scratch…

Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.