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..."
Gold, Quartz & Chalcedony—Part II
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
All About Pyrite
Most prospectors learn early that pyrite is fool's gold...but the truth is it can be an excellent indicator mineral for gold and in many cases does contain small amounts of gold.
Confluence Placers
Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...
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.
The Long Road to Gold Point, Nevada
Apart from the hard rock mines, there are abundant gold-bearing placers, especially in the areas in and around Oriental Wash.
Gold Deposits of the Ivory Coast
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
What Are Those Rocks In My Pan?
The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.
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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
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