Small Mining Operations
Designing and Evaluating Placer Gold Recovery Plants
September 2014 by Chris Ralph
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
PLP and MMAC Update
Wyoming's Billion Dollar Nugget—The Trilogy Ends
Our testing over the past 15 years was to confirm or deny the USGS report completed in 1978. Besides the half acre test dig, we completed many additional test digs by hand and with the backhoe.
What Happened to The Gold Prospecting and Mining Summit?
We continue to seek out a patented mining property with an owner who is willing to host such an event with a water supply and enough remaining gold to make it worthwhile for the students.
A Father’s Day to Remember: 24,000 Ounces Gold in Quartz
Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
Nice Specimen Gold Recovered in Northern California
Each specimen is carefully examined to determine if it would be beneficial or not to use an acid treatment to reveal more of the gold.
The Miner’s Switchback
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.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging
• Gully Prospecting and Mining
• Wilfley Tables—Repair, Rebuild & Set Up
• Finding Streams of Gold
• This is Why You Check Your Tailings
• Lode or Placer: What Difference Does It Make?
• New Rules to Impact the Lease/Buy Decision
• There's a First Time for Everyone
• Appeals Court OKs Permits for Upper Peninsula Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• Mining Journal Honored as Prospecting Magazine of the Year!
