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.The Gold of Plumas de Oro
Their rewards were far better than they had anticipated, resulting in one of the best clean-ups they had ever seen.
The Basics of Exploration Leases and Contracts—Part I
Let’s take a look at these important property aspects individually, because they all affect the value of a property and how much mining companies might or might not be interested acquiring it.
Sunset Sunbaker
He began hiking my way and was as astonished as I was when he saw it. Another high five moment! It makes you wonder how long this gold had just been sitting there on the ground.
Detecting Canyon Bedrock in The Sierras
My plan was to go up the canyon along a ridge and then drop into the canyon whenever I came across a spot that might give me reasonable access.
Following Clues to an Old Mill and Vein Strike
My last update on this adventure was in the April 2012 issue and involved our search for the northern extension of the Cedarberg Mine. At that time we had found it and we were in the process of returning for some detecting when Mother Nature struck with a late rain and snow storm.
Advantages of Modern Prospectors
Modern-day placer miners have many advantages over the prospectors of the gold rush days. Our prospectors can reap many benefits from accumulated knowledge of the last 100 to 150 years, which is a long and impressive list.
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
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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
