Small Mining Operations
Modern Mining Reclamation
September 2015 by Chris Ralph
A study showed that between 1930 and 1980, only a quarter of one percent of the land in the United States was used in all mining applications combined, including surface mining, tailings disposal, underground mines, and all mineral processing facilities.
Getting Into Hot Water While Reclamation Dredging
Once I started dredging with heated water pumped into my wetsuit, I never went back to not having heat except late in the summer when the water is very warm.
Practical Advice for Milling Hard Rock Ores
The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.
Customizing Your Dredge
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
Bering Sea Gold—Part I
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
From Curiosity to Mine Owner
His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.
Wilfley Tables—Repair, Rebuild & Set Up
I researched the Internet and found a number of table makers, but technology has changed in the last 25 years. No one could sell me a kit for a new deck with wooden riffles...
Refractory Gold Processing
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
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• Detecting Nuggets—Overcoming New Challenges
• Retired Geologist Warned Public of Pending EPA Disaster
• Piles of Gold
• AMRA Takes On USFS in Idaho
• Iron Ores and Iron Mining
• Two Men Claim Discovery of Nazi Treasure Train
• Melman on Gold & Silver
• Emergency Dredging Closures in Washington State
• More Gold Recovered Off Florida Coast
• Mining Stock Quotes and Mineral & Metal Prices
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