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...
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Jim Madden's Gold
July 2016
Maybe we could find a few pieces of ore from that tunnel? It was worth a try. The old timers didn’t have that stamp mill for looks, so we set off to get some samples.
Maybe we could find a few pieces of ore from that tunnel? It was worth a try. The old timers didn’t have that stamp mill for looks, so we set off to get some samples.
I Finally Made It to Northern Nevada
August 2014
After a while I got a very nice signal and out came a sweet kidney-shaped bit of gold weighing about three grams.
After a while I got a very nice signal and out came a sweet kidney-shaped bit of gold weighing about three grams.
An Alaskan in the Lower 48
July 2013
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.
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.
Gemstones to Die For
November 2014
Some gems can potentially poison you, make you sterile and even make you forget who you are.
Some gems can potentially poison you, make you sterile and even make you forget who you are.
Nome Offshore Dredging Creates Challenges
June 2015
The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
The Alaska state government has been trying to keep up with and maybe even stay on top of the situation by studying the problems associated with rapid growth and how to solve them.
Backwards Find
July 2013
I furiously started pulling material out of the side wall and putting it in my scoop. It didn't take long to discover that the source of the scream was from a one-ounce chunk...
I furiously started pulling material out of the side wall and putting it in my scoop. It didn't take long to discover that the source of the scream was from a one-ounce chunk...
Green Valley Reconnaissance
January 2013
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
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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
