Prospecting & Detecting
The Subsurface Suction Dredge
November 2013 by Steve Herschbach
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
Fountain of Youth Gold
Across and downstream of our operation was a large pile of huge boulders. It was logical to think that water forces may have deposited gold in and around these boulders. We moved our dredge over and started pulling the rock pile apart.
An Alaskan in the Lower 48
Our destination was some old hydraulic workings where the old miners had washed literally mountains of material away to expose gold in ancient river channels.
Diamond Prospecting in Indiana
My first personal experience with placer diamonds was on a gold prospecting trip in Indiana about 8 years ago, when a fellow prospector was cleaning his gold concentrates.
It Pays to Know Your Bedrock
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
Sampling Placer Stockpiles
Sampling other people's stockpiles or dumps has some inherent risks that sampling undisturbed ground does not have.
Twenty-Five Gold Indicators You Should Know
I frequently get asked, "What should I look for when I am out prospecting that will tell me there are good amounts of gold present in the ground?"
Gold Hunting on Libby Creek
The biggest nugget I have found detecting here was three grams and the following weekend someone found a 9-gram nugget while detecting. Some have even found quarter-ounce nuggets, with one being a chevron nugget.
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The Bawl Mill
• Ask the Experts
• One Potato, Two Potato...
• Proper Placer Sample Processing
• Strategic Metals—Part I
• Dry Washing to Capture Fine Gold
• Are There Any Good Prospects Left?
• Ophir—Possibly the Best Kept Secret in Alaska!
• Southern Oregon's Illinois River—A Lesson in Sharing
• Using Sucker Guns to Find Gold
• Making Adjustments to Catch Fine Gold
• A Few Thoughts About Successful Nugget Hunting
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
