Small Mining Operations
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December 2015 by Staff
Designing and Evaluating Placer Gold Recovery Plants
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...
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.
Principles of Designing Your Mill Production System, Part II: Mill Design
Starting small with quick profitability gives you a lot of financial elbow room plus real-world experience that can be used for final mill design.
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.
New Research Tool for Miners in Wyoming
The Wyoming Geological Survey released an online interactive map...
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
Caught Between A Hard Rock and A Rare Earth Place
The same day, while two of us were heading to Vancouver to attend the mining convention, two others from our team were headed to Nevada to begin loading the millsite equipment.
Subscription Required:
The Bawl Mill
• Ask The Experts
• SB 838 and the Salem Witch Hunt
• Small-Scale Hard Rock Production
• Researching Mineralized Areas
• MMAC & PLP Update
• VLF Detector Operating Modes
• Using Geologic Maps
• Canadian Company Recovers 1,111-Carat Diamond
• Lost Sally's Gold
• Time to File Claims in Southern California
• Colorado Disputes Key Part of EPA Mine Report
• Picking Our Way Through Bedrock
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
Free:
Legislative and Regulatory Update
• What Is Incidental Fallback?
