Small Mining Operations
Care and Lubrication of a Model 13 Laboratory Wilfley Table
June 2016 by Roger Neuscheler
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
The Bucking Room
Since this position was the least desirable due to the hard physical labor, the bucking room was used as punishment. Do you have a mediocre worker? Bad attitude? Off to the bucking room!
Papa's Got A Brand New Dredge!
It was time to prime the pump and start the engine! Dan’s priming method is to use a small, submersible, 12-volt pump. My priming method is to use a hand-operated diaphragm pump.
Hard Rock University: Expensive Hobby or Real Business?
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
Determining The Optimal Crushing Size for Gravity Recovery
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.
The Smell of Gold—Part I
Some claim they can smell gold. This may be, but when I take a whiff of gold, I smell dirt, rotten eggs, garlic or just nothing: my nose is everything but sensitive.
Fire Assay Finish by Silver Nitrate Fusion for PGMs
…my intent is to distribute this information in layman’s language so that even the “backyard/shade tree/mom & pop” fire assayers can benefit.
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.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts
• The Heavy Minerals in Your Concentrates
• MMAC & PLP Update
• Pocket Gold
• Critical Metals: Antimony
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Detectors: Past, Present and Future
• Mining Districts: A Short Review of Legal Authorities
