Small Mining Operations
Exploring Placers with Auger Drills
June 2014 by Jim Halloran
Augers can be used effectively for placer exploration with certain limitations.
Hidden Value in Old Tailings
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
Who is a Qualified Person?
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
Early Summer Mining in Wyoming
Old tailing piles extend for miles. There was still plenty of water flowing here, so WPA members set up highbankers at several settling ponds.
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.
The Batteries Metal Rush
There is a major change coming in the economy of the world and now is the time for prospectors and miners to grab a ticket and get on board.
Underground Mining: Getting the Ore Out
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
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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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• A Few Methods for Sampling Hardrock Deposits
• Protecting Our Access to Public Lands
