Professional Equipment for Serious Detectorists!

Magazine

Small Mining Operations

Cyanide-Free Gold Separation

Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Practical Advice for Milling Hard Rock Ores


The problem is that extracting gold from hard rock is often a lot more difficult than processing placer gravels. Still, there is some very high-grade ore out there in many old mining areas.

What To Look For—And Look Out For—In A Placer Mineral Report


Buying a placer claim or investing in a placer mining property comes with plenty of financial risks. You need as much information as possible about the mineral deposit in order to minimize those risks.

A Third Generation Small-Scale Hardrock Revival


One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.

Small-Scale Processing of Hard Rock Ores


Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.

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...

The Giant King Mine


Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

My First Carolina Nugget


On my weekends off I spent many hours dredging the Second Broad River from Cane Creek Road up to the headwaters. I used a three-inch dredge with air and graduated to a five-inch with air.

Subscription Required:
The Bawl Mill   • Our Readers Say   • The Basics of Crushing and Milling Operations   • Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?   • Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker?   • Ask The Experts—Precious metals in water?   • Rediscovering Placerville, California   • Eastern Arizona: Gold and Base Metal Deposits—Part I   • Over The Divide—Daryl J. Nelson   • Legislative and Regulatory Update   • Mining Stock Quotes & Mineral and Metal Prices   • Melman on Gold & Silver

Free:
Mud Men: Pocket Miners of Southwest Oregon—Part I

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue