Prospecting & Detecting
Hard Rock Milling: A Matter of Scale
April 2013 by Chris Ralph
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
How to Upgrade Your Pocket Plunger
These three simple upgrades, when taken together, will considerably increase a pocket plunger’s magnetic pull and make it less susceptible to breakage.
Eolian Placer Gold
I would first like to mention that I am not a geologist. I have, however, spent the last 8 years intently searching for gold nuggets with a metal detector. I have found gold in numerous locations, and in several different types of gold deposits.
Detecting Alluvial Bench Deposits
The same questions you ask yourself about gold trapping features in the present stream can be applied to the benches above the stream. Just imagine the stream at a much earlier time, before it cut its way down to the present level…
Our Readers Say
• Prospecting for Diamonds in Kimberlite by W. Dan Hausel
• Miners referring to their activity as “recreational”
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Recovering Fine Gold with Oleophilic Adhesion
Oleophilic means "affinity to or attracted to oils," and this includes gold an diamonds.
Still Gold in Humbug, Arizona
Has anyone made it through childhood, or even adulthood, without at least one dream of finding gold or buried treasure? It is the stuff of daydreams—the kindling for the flame of hope. We so long for it that we eagerly accept stories and maps from friends and strangers alike that promise us fame and fortune.
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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
• Paperwork Guy—A Cautionary Tale
• ICMJ Online Forum Now Available
• Detecting For Gold—Are You Up For It?
• A Trip Down the Yukon River
• Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
