Small Mining Operations
What Is Your Grade?
March 2021 by Thom Seal, PhD, PE
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
The Dredge Report
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
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.
PLP Update: Back to The 'Swamp' on Behalf of Small Miners
We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.
The Batteries Metal Rush
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
My First Carolina Nugget
On my weekends off I spent many hours dredging the Second Broad River from Cane Creek Road up to the headwaters. I used a three-inch dredge with air and graduated to a five-inch with air.
Gold in Tertiary Gravels
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Critical Minerals Update
The critical metals are essential to the modern lives we lead. The prices of critical metals are moving up even faster than government published rates of inflation, with little sign of slowing down.
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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
• Evaluating Gold Recovery with Mass Balance Calculations
• Clues for Detecting Ancient River Channels and Flats
• 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
