Small Mining Operations
Ask The Experts
June 2016 by Chris Ralph
Q: How do I improve my small-scale mining operation’s gold production?Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
All About Hard Rock Drills
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
Guinea Africa: Gold, Ebola, and a Monkey Barbecue
![](http://www.icmj.com/userfiles/images/201412/17-guinea.jpg)
Gold in Guyana—Part II: Process Optimization at Sacre Coeur Minerals' Lower Puruni Alluvial Mining Project
![](http://icmj.com/userfiles/images/201208/TOC-gold-in-Guyana.jpg)
Wyoming's Billion Dollar Nugget—The Trilogy Ends
![](/userfiles/images/201107/toc-wyoming.jpg)
Scams, Scammers and Schemes
Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.
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.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• The Heavy Minerals in Your Concentrates
• MMAC & PLP Update
• Pocket Gold
• Critical Metals: Antimony
• Care and Lubrication of a Model 13 Laboratory Wilfley Table
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Detectors: Past, Present and Future
• Mining Districts: A Short Review of Legal Authorities