History & Geology
Our Readers Say
August 1999 by Staff• "...just about more than I can stand."
• "I hope you can answer my number one question..."
• "...I still go out and mine a little at my old stompin' grounds in Siskiyou County..."
• "...New Prospecting Club in the Southeast."
• "...9 ounces...in two weeks."
• "...It's no secret..."
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Gold and Silver Deposits of Bodie, California
Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
The Goldfield Mining District, Nevada—Part II
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
Over the Divide: John A. Miscovich
Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.
$50 Million in Gold From 1857 Shipwreck Approved for Sale
The gold is all for sale. Just one tiny coin alone could go for $1 million because of its combination of rarity and the history behind it...
Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
The Bawl Mill • New Oregon Mining Legislation Friendly to Small Miner • Cutbacks at S. African Mines—Britain Blamed • BLM Reports That 'Mining' Brings Most Public Reward • Long-Term Camping Plan at Fortymile Proposed by BLM • "No Gold Sales" Says Nevada Senator • Panel Cuts Park Monies, Eases Mining Restrictions • State May Re-Examine Plans on Dredge Use Near Hope • Company Notes • Jim Butler's Political Career • Picks & Pans: Gold Recovery in Placer Mining Operations • Nevada Looks to Tourism to Fill Mining's Gap • PGMs in the United States • Miners Claim Victory in Fight That Began with Protest • U.S. Admits Botching Indian Funds Accounts • Gold Fever • Roads Protecting Grizzlies Reopen • Guanajuato Silver, Mexico • Roosevelt: From Boom Town to Mountain Lake • Dollar Must Slip for Gold to Rise • Looking Back • 1999 National Mining Hall of Fame Inductees • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices