All Articles
Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
September 2004 by Jim Straight
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.Additional articles that might interest you...
Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?
February 2011
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
What minerals are magnetic? I have heard that super magnets (rare earth magnets) can capture platinum. True?
Ask the Experts
September 2013
Is Burkina Faso safe for prospecting?
Is Burkina Faso safe for prospecting?
Sierra County Gold—Part II
January 2014
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
Prospecting in Northern Sierra County, California
November 2006
From the mid-1850s and even into the early 1900s, Northern Sierra County boomed with mining activity. This area was flooded with miners, establishing such towns as LaPorte, Gibsonville, Spanish Flat, Whisky Diggings...
From the mid-1850s and even into the early 1900s, Northern Sierra County boomed with mining activity. This area was flooded with miners, establishing such towns as LaPorte, Gibsonville, Spanish Flat, Whisky Diggings...
The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II
August 2013
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
Recovering Values from Black Sands
May 2007
Every placer miner has to deal with it in one form or another, and some locations have it far worse than others, but nearly every placer has at least some of it: black sand. It collects in our concentrates and gets in the way of recovering our fine gold.
Every placer miner has to deal with it in one form or another, and some locations have it far worse than others, but nearly every placer has at least some of it: black sand. It collects in our concentrates and gets in the way of recovering our fine gold.
Rare Earth Deposit May Be Awaiting Discovery
July 2010
Bill and the geologist lost interest and as far as I know, nothing more was done to locate the deposit.
Bill and the geologist lost interest and as far as I know, nothing more was done to locate the deposit.
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Please Note:
• The Bawl Mill
• Kerry Proposes Large Fees on Miners
• Is a Gold Rush Coming to the Iron Range?
• The Klamath Oldland
• Baker City is Defined by Gold Rush
• Coeur Alaska Hopes to Begin Work on Gold Mine This Fall
• Crater of Diamonds, Arkansas
• Company Plans to Develop Cabinet Mountains Mine
• I-147 Before Montana Supreme Court
• Diamond Exploration and Mining Heating Up in North America
• Gold in Serbia
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
