All Articles
Commercial Placer Mining With Jigs
August 2010 by Chris Ralph
During the upward stroke, water is pushed up through the shot layer causing it to open up and lifting the gravel particles above. The heavier particles settle faster based on Stokes law, and move down into the shot bed layer, while the lighter...
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Legislative and Regulatory Update
• Forest Service proposes further changes to mining regs
• Preble’s mouse resurrected
Family Sues US Mint for Return of Rare Gold Coins
In a federal lawsuit, a family claims the US Mint illegally seized 10 gold coins that the family had found among a dead relative’s possessions.
Tantalum
Tantalum is a refractory metal which is non-toxic, ductile; easily fabricated, has a high melting point, is highly resistant to corrosion and is a good conductor of heat and electricity. It has the unique ability to transmit an alternating current in only one direction.
The Bawl Mill
• Do as I say, not as I do...
• By the numbers...
Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
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.
Melman on Gold & Silver
…money creation by central banks… could even accelerate further as governments desperately seek to stimulate some sort of powerful economic growth. Historically, rapid money creation rates have been positive for gold and silver.
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The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts: Bench Top Crushers
• Ask The Experts: How to remove precious metals from lead?
• How to Properly Ground Balance to Find the Most Gold
• Authorities Search for Lost Treasure Hunters
• Alaska Geologist Survives Grizzly Attack
• The Guaniamo Diamond Area, Venezuela—Part II
• How California Became the Golden State
• The Rocky Bar Mining District, Idaho
• Mining Stock Quotes, Mineral & Metal Prices
Free:
The Jenkins Mine Project—The Golden Rules of Science
• Melman on Gold & Silver
• ICMJ Again Matches Funds For PLP Donations
