Small Mining Operations
Exploring Placers with Auger Drills
June 2014 by Jim Halloran
Augers can be used effectively for placer exploration with certain limitations.
Gold Deposits of Montana
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
Legislative and Regulatory Update
- NEPA comments due
- Update on latest US Supreme Court suction gold dredging appeal
- Washington State tries to restrict suction gold dredging
Selecting A Low-Risk Region To Explore, Mine or Invest
“The evidence is clear—mineral deposits alone are not enough to attract precious commodity investment dollars...”
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...
Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
Dry Washer, Wet System or Metal Detector?
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
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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
