Small Mining Operations
Exploring Placers with Auger Drills
June 2014 by Jim Halloran
Augers can be used effectively for placer exploration with certain limitations.
Critical Minerals: Titanium
The metal is expensive, not because it is rare but because of the expense to produce and work it. The minerals mined for titanium are all oxides, unlike many base metals that are mostly mined as sulfide minerals.
Soft Rock Excavation Techniques
The Basics of Froth Flotation
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
Memories of Shirttail Creek, Northern California
…for a few hours, we fervently dug for gold. After we did a cleanup, I couldn’t believe the amount we got.
Montana Gold and Sapphires Revisited
I had a chance to visit the operation in person and talk with Neal. I was very impressed and I think our readers could learn a lot about building up a commercial placer operation from scratch…
Explosives delivery Goes Wrong at Australian Mine
February 2023On October 24th, 2022, a Massive Explosion Occurred in Western Australia, About 600 Miles From Perth.
The Smell of Gold -- Part II
While mapping, I also found rock chips in the soil that were characteristic of the same wall rock alteration that occurs adjacent to the known lodes in the greenstone belt.
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• Finding Gold with a VLF Detector—Part III
• Silver and Base Metal Deposits of the Pioche District
• California Dredgers: A Step Closer to Getting Back in the Water
• Arizona's Youngest...and Oldest Prospector
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Correction
• Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
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Legislative and Regulatory Update
• A Few Methods for Sampling Hardrock Deposits
• Protecting Our Access to Public Lands
