Small Mining Operations
Ask the Experts
December 2013 by Chris Ralph
Ore testing and other advice for starting up a mining operation.Underground in the Original 16-1 Mine
These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
Dredging The Outside Bend
This stringer was where it was not supposed to be, and it contained nuggets that were not supposed to be there.
Good Assays and Bad
The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...
Guinea Africa: Gold, Ebola, and a Monkey Barbecue
With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• Sierra County Gold—Part I
• ICMJ's Annual Index
• Ophir—Possibly the Best Kept Secret in Alaska—Part II
• Hunting for Hardrock: The Basics
• Gold in the San Francisco District Oatman, Mohave County, Arizona
• Heavy Glacial Rocks and Gold in the Midwest
• Strategic Metals—Part II
• The Amazing Mineral Tourmaline
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
Legislative and Regulatory Update
• It's the Bottom of the Ninth—And Not Just for California
• Our 29-Troy-Ounce Golden Blessing







