Prospecting & Detecting
Ask the Experts
March 2014 by Chris Ralph
Breaking cemented gravelsAdditional articles that might interest you...
Feather River Gold
February 2017
I didn’t think too much of our dredge hole and we were both considering a move when we hit bedrock. There was a good quantity of flakes and fines, but no nuggets.
I didn’t think too much of our dredge hole and we were both considering a move when we hit bedrock. There was a good quantity of flakes and fines, but no nuggets.
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.
Revisiting the Rocker Box
August 2016
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
The Essentials of Dry Washing
August 2013
Most dry washers have a feed rate adjustment. It needs to be set so that the material flows evenly over the riffles and does not bury them.
Most dry washers have a feed rate adjustment. It needs to be set so that the material flows evenly over the riffles and does not bury them.
Gold Rush in the Congo—Part II
June 2013
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
We needed something to cook on, so we brought most of our kitchen with us including our full-size oven, which was pretty funny to see in the middle of a rainforest. Food was always a concern, but fortunately for us...
Find of a Lifetime
May 2013
My metal detecting hobby began about ten years ago when I bought a used metal detector for about $300. I got it specifically to look for meteorites. It was pretty much worthless, not user friendly, and I did not find anything with it.
My metal detecting hobby began about ten years ago when I bought a used metal detector for about $300. I got it specifically to look for meteorites. It was pretty much worthless, not user friendly, and I did not find anything with it.
Prospecting for Gold in Baja California
April 2015
It was one of those awkward situations as we walked, fatigued and too thirsty to speak a word.
It was one of those awkward situations as we walked, fatigued and too thirsty to speak a word.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Prospecting Hard Rock
• Reese River Silver Mining District, Nevada
• Twenty-Five Gold Indicators You Should Know
• Alaska: Large-Scale Mining Can Be Done Right
• Gold of the Iditarod Mining District, Alaska
• Bedrock
• Natural Gold Alloys
• Government Takes Land for Open Space
• Comments on Gold Rush and Bering Sea Gold Series
• Hidden Value in Old Tailings
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
