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Looking Back
March 2005 by Staff
Excerpts from CMJ published 50 years ago this month.Crushing, Grinding and Pulverizing
There are many different ways to get the gold out. We will take a look a few examples of crushing and grinding, and potentially which ores they may be best suited for.
Miners Win Again in SREP vs. USFS
It’s been three years since the Siskiyou Regional Education Project (SREP) filed a lawsuit against the Siskiyou National Forest (SNF) in an attempt to require a Plan of Operation and financial guarantee (bond) for all mining located in Riparian Reserves (in or near water).
The Business of Mining—Home Office Tax Deduction
It is not just a few small-scale prospectors who use a home office. An increasing number of miners, prospectors, and mining-related business owners are operating at least a portion of their business from a home office.
Mining Claim Fees Are Going Up
The Northwest Mining Association reports that the claim maintenance fee for 2004-2005 will be raised.
Silverton's Gold
Within this area, about two million ounces of gold and fifty million ounces of silver have been mined. Faults, dikes, veins and fissures that carry the ore form a concentric radial pattern—like spokes on a wagon wheel—around the caldera core.
Finding Gold in Mokelumne River Canyon
The Mokelumne River was first worked by the ‘49ers, and foundations of Spanish missions and old miner’s cabins are still present. Elton’s first experience with Roaring Camp came in 1947, when he took a job packing in supplies...
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
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The Bawl Mill
• $100 Million Lost on Faulty ESA Listing
• Geologists Locate Giant Gemstones
• Miner Wins Important Victory Against Forest Service
• Philippines Asks Foreigners to Invest in Mining
• The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers
• Healthy Interest at Recent Vancouver Conferences
• Idaho Silver Miners Come to Aid of Tsunami Victims
• Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains
• Researchers Trace History of Hope Diamond
• The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada
• Resolution Copper Mine, Arizona
• Company Notes
• China Ups Investment in Foreign Minerals
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
