Small Mining Operations
Shaker Tables for Processing Hard Rock Ores
May 2017 by Chris Ralph
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
California to Allow Suction Dredging in 2019?
There are a few questions you will need to ask yourself before you apply for a suction dredge permit from the State Water Resources Control Board.
The Underground Mining Adventure Continues
Our group of independent miners have been busy crafting a uniquely designed ladder/ore cart track from the bottom of an 85-foot mine shaft in a historical hard rock mine.
California Dredgers: A Step Closer to Getting Back in the Water
...Judge Ochoa ordered the parties to participate in mandatory settlement hearings starting June 24, 2014.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Early Summer Mining in Wyoming
Old tailing piles extend for miles. There was still plenty of water flowing here, so WPA members set up highbankers at several settling ponds.
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