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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...MMAC Update
In May 2017, the district participated in a meeting with representatives from several state and federal agencies where they educated agency officials about the authority of Mining Districts, Mining Law and miner’s rights.
The Tangential Impulse Water Wheel in California Gold Mining History—Part I
The modern tangential impulse water wheel, a device best suited for hydroelectric power production where high water head is available, is an ingenious device born in the historic gold mining industry of California in the 19th Century.
Newmont Fined for Fatality
The agency said managers “showed a disregard for the miners’ welfare” and acted with “more than ordinary negligence” before the victim fell through a sinkhole while operating a large loader about 200 feet below the entrance of the mine.
Long-Term Camping Plan at Fortymile Proposed by BLM
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
Mining Stock Quotes and Mineral & Metal Prices
Utah Approves funds to Fight Feds
Republican legislators say the funding is necessary to protect state interests...
The Search Continues
The Wyoming State Geological Survey continues research on diamonds in the Laramie Mountains northeast of the UW campus.
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The Bawl Mill
• 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
