Small Mining Operations
The Miner’s Switchback
May 2018 by Bilbo Kringle
Common thought is the switchback slows the velocity of the rushing water and gold drops out from the cut bank to a fill gravel bar within or below the switchback. I am not going to disregard that model; however, I hope to improve upon it.
PLP Update: How to Restore The Rights of Suction Dredge Miners
A two-pronged approach is necessary to restore suction dredging; federal preemption needs to be established as addressed above via petition; and clarification from the EPA is needed to establish that no Section 402 permit is necessary when there is no “addition” of a pollutant.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
Who is a Qualified Person?
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
Advancements in Non-Toxic Gold and Silver Leaching
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
The Subsurface Suction Dredge
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
Resurrecting An Old Hard Rock Mine--The Saga Continues
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
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The Bawl Mill
• Ask The Experts - Is this a significant cobalt find?
• Ask The Experts - Is this ICOG deposit commercially feasible to mine?
• Ask The Experts - How to sell gold specimens
• Our Readers Say
• Putting Together A Small Free Gold Mill
• Feds Sue California over Sales of Public Lands
• Legislative and Regulatory Update
• What To Do When Gold Recovery and Assay Values Differ
• Metal Detecting Old Hard Rock Mine Dumps
• Because I Said So
• Hecla Fights Bad Actor Label in Montana
• Prepping For A New Season of Gold Hunting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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