Small Mining Operations
Evaluating Gold Recovery with Mass Balance Calculations
March 2021 by Keith Bowen
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
Good Research and Bad Luck
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
How to Refine Silver—Pt II
Silver recovery from low-level solutions is frequently done in a cell that has a cathode with 2 to 5 or more times the surface area as the anode.
PLP Update: The Path for Legally Re-Starting Suction Gold Dredge Mining in 2021
Present conflicts and realizations having to do with dependence on China have illuminated the fact that suction dredge miners have a vital role to play and are an ignored and untapped domestic resource—until now.
Sampling for Success—Part I
All these decisions and more depend on the richness of a claim—something that is determined by sampling. But sampling isn’t cheap, and even collecting the samples can be more difficult than it appears on the surface.
The Highs and Lows of Drywashing
We were met with a plethora of mechanical problems with the dry washer and even a few with the excavator that were at times frustrating, but we were in this for the long haul, so we needed to solve these problems and move forward.
Now Is The Time For Exploration
I’ve been following the precious metals for decades, and I haven’t seen a move this powerful in many years.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
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The Bawl Mill
• Ask The Experts - Info on Santa Cruz beach placers?
• Ask The Experts - Detectors and flour gold
• Ask The Experts - Why is the gold in these clays?
• Ask The Experts - Can you explain colloidal gold?
• Ask The Experts - Where did this kimberlite come from?
• Ask The Experts - Can gold particles combine to form a nugget?
• Placer Gold Deposits in the Western States
• Clues for Detecting Ancient River Channels and Flats
• What Is Your Grade?
• State of Idaho Looks to Invest in Gold and Silver
• Colorado Uranium Mining in the 1950s Boom
• Drywashing for Desert Gold—Part II
• Decoding Dredge Capacity
• I Just Tripped Over A Nugget
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
