Prospecting & Detecting
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
April 2013 by Scott Harn
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.How Rich Must My Ore Be?
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
A Successful Trip Through Gold Basin
This time we took the detectors. Roger had worked that spot very well and wanted to see if my new detector would uncover any gold he might have missed.
The Story Behind the Story
Anyone who has found a patch knows the difficulties involved. Those who haven’t can guess, and with any effort will soon realize it.
Autumn Gold
November 2023" I went on a detecting trip in Northern California a few weeks ago. I called several friends to see who wanted to meet up with me. With an undeniable crispness in the air, I left Redding and started my drive to the goldfields."
The Life of an Independent Prospector
“JP, is it possible to make a living looking for gold with a metal detector?” I get asked this question a lot...
Mother Lode Leaf Gold
After removing about six inches of dirt and cobbles, the sound was a bit more recognizable. I was now confident that there was a definite target and not just a ground noise.
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The Bawl Mill
• Ask the Experts - processing plants that can extract rare earth metals
• Ask the Experts - what does MDB&M stand for?
• Ask the Experts - proper mining claim procedures
• The Hughes Creek Placers, Montana
• Benefits of a Detecting Partner
• Excavator Testing Wet Placer Ground
• Hard Rock Milling: A Matter of Scale
• Paperwork Guy—A Cautionary Tale
• ICMJ Online Forum Now Available
• Detecting For Gold—Are You Up For It?
• A Trip Down the Yukon River
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
