Prospecting & Detecting
Our Readers Say
February 2014 by Staff
• Prospecting for Diamonds in Kimberlite by W. Dan Hausel• Miners referring to their activity as “recreational”
ICMJ Visits Sonora, CA
June 2023Hard Rock Milling: A Matter of Scale
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.
It's Not Always El Dorado
This was “pocket” country. All around were “pockets” that had been hand dug by old and new miners.
ICMJ Visits Downieville, California
January 2023Preparing For The 2021 Mining Season
On my final prospecting day of 2020, I went up to a spot where I had found gold years before and had my best day of the year—four nuggets for nearly one-quarter-ounce of gold.
The Idaho Gamble Part 1
May 2023Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
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• The Perfect Summer
• Eolian Gold Deposits
• Copper Deposits of Alaska
• Divide and Conquer—Detecting Old Placer Grounds with Friends
• Reserves and Resources Explained
• Critical Metals: Lithium
• Coprolite—A Prospector's Tale
• Comstock Mining Gets Approval
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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SB 838 and the Future of Mining in Oregon
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