Small Mining Operations
Underground Mining: Stoping Methods
October 2016 by Chris Ralph
In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.
Resurrecting An Old Hard Rock Mine—Safety Is No Accident
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
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.
How to Stake Your Own Mining Claims—Part II
I’d like to offer some practical comments about staking and maintaining mining claims. Owning your own claim is the dream of many prospectors. I’ve made good money off my mining claims, both from the minerals I have found on them as well as from leasing out some of my claims to larger mining and exploration companies.
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.
The Basics of Exploration Leases and Contracts—Part II
This is the point where you might ask, “What do these types of contracts typically look like and how are they negotiated?” Well, that is the topic of this month’s article.
Gold Recovery with Centrifugal Bowls
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
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Setting up a gravity dredge
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• A New Prospecting Spot
• MMAC & PLP Update
• Digging It Dry
• Alternative Financing Alternatives
• Dredging Therapy
• Moving The Big Rocks
• Modesto, California Man Finds 18-Ounce Nugget
• New ICMJ Website Almost Here
• California State & National Gold Panning Championships
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices







