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Training Videos From NIOSH
April 2004 by Staff
Mining safety professionals can take advantage of training videos provided by the National Institute for Occupational Safety and Health.Legislative and Regulatory Update
• Oregon passes SB 838
• Meanwhile, in California
Millennium of Russian Gold on Display in U.S.
Russian treasures of gold and jewels, which survived centuries of upheaval and even the Bolshevik Revolution, will make their home in the United States for the next 10 months.
The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
Relocating A Historic Vein
Opportunities exist in both hardrock and placer. Production costs to operate a small placer mining project are a lot less than for a hardrock mine. Underground placers are a different story, but generally, recovering placer gold takes...
Placer Platinum
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
The Significance of Nuggets in Placers
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
New Arsenic Study Supports Tougher Standards
A National Academy of Sciences report shows that the Environmental Protection Agency greatly underestimated the cancer risks of arsenic in drinking water, according to EPA officials and other environmental experts familiar with the report.
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The Bawl Mill
• Our Readers Say
• Wyoming—A Land That Time (And Explorationists) Forgot
• Two Arrested in Alleged Mining Investment Scheme
• Wall-Rock Alteration
• Melman Reports From PDAC—News About India, China, and a Potential Shortage of Nickel
• Picks & Pans: Family's Identity Forged Working Nevada's Gold
• Researching Suitable Areas to Detect for Free-Milling Gold
• A Working Arrastra
• The Golden Highway—Amador County
• Prospectores Unite in Washington State
• Flexible Circuits Possible From Gold Wire
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
