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Identifying the Noble Metals Simple Tests That Work
May 2006 by Charles L. Butler
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...Additional articles that might interest you...
Alaska: Large-Scale Mining Can Be Done Right
March 2014
"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."
"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."
Ask The Experts
June 2015
Geologic references for northern Nevada
Geologic references for northern Nevada
1999 National Mining Hall of Fame Inductees
August 1999
Ceremonies to induct 1999s nominees into the National Mining Hall of Fame will be held Sunday October 10,
1999 at the Adam's Mark Hotel in St. Louis, MO.
Ceremonies to induct 1999s nominees into the National Mining Hall of Fame will be held Sunday October 10,
1999 at the Adam's Mark Hotel in St. Louis, MO.
Idaho Silver Miners Come to Aid of Tsunami Victims
March 2005
The Bunker Hill Mine is doing its part to help tsunami victims by sending crates of bandages impregnated with silver to Indonesia.
The Bunker Hill Mine is doing its part to help tsunami victims by sending crates of bandages impregnated with silver to Indonesia.
The Klamath Mountains
September 1999
Over 7 million ounces of gold have been produced in the Klamath Mountains of northwestern California, 64% of which has been from placers.
Over 7 million ounces of gold have been produced in the Klamath Mountains of northwestern California, 64% of which has been from placers.
Investors Hope to Revive Idaho Gold Mine
June 2001
A small group of investors led by retired businessman Ray Bohn is trying to revive a remote Idaho gold mine shut down since 1942.
A small group of investors led by retired businessman Ray Bohn is trying to revive a remote Idaho gold mine shut down since 1942.
Melman on Gold & Silver
September 2002
Anyone looking for stability sure didn’t appreciate the financial markets of this past month as they fell, rose, fell and rose with dizzying swiftness, changing directions on the turn of a dime. This was as true of the gold share markets as it was of the financial markets in general.
Anyone looking for stability sure didn’t appreciate the financial markets of this past month as they fell, rose, fell and rose with dizzying swiftness, changing directions on the turn of a dime. This was as true of the gold share markets as it was of the financial markets in general.
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• Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
• Orko Silver Corp.
• Miners Win Again in SREP vs. USFS
• The Willow Creek-Hatcher Pass Alaskan Goldfields
• Metal Detecting for Gold Within Andesite and Basaltic Volcanic Mining Districts
• How to Prospect for Silver Field Tests You Can Use to Detect the Hidden Metal
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
