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Looking Back
February 2007 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.Gold Deposits in Skarn
Skarn consists of coarse-grained calcium, magnesium, iron, and aluminum silicates formed by hydrothermal solutions, which replace limestone or dolomite near the contact with an igneous intrusion. The contact metamorphism is usually caused by an intrusion such as quartz monzonite, granodiorite, or similar rock type, which may or may not be mineralized.
Guest Editorial—Globalizing Mining in America, Part I
Is it environmental concern that's driving mining out of the United States or rather politics on the grandest scale?
Melman on Gold & Silver
…At present we may be entering a period of relative stability on many economic fronts and, therefore, our focus is now trending more toward social upheaval and the resultant increase in tensions as the prime movers for the precious metals.
The Bawl Mill
• Ripe for the picking
Ask the Experts
Q: Graphite spray to prevent sticking when using cast iron molds
Picks & Pans: Gold Recovery in Placer Mining Operations
Two of the major factors affecting the profitability of a placer mining enterprise are the relative efficiency of the mining equipment, and the rate and percentage of recovery obtained while conducting mining operations.
The Whabouchi Lithium Project
One company that is actively working to develop their lithium property is Nemaska Exploration, with their primary project located near the Cree community of Nemaska, situated on the shores of Champion Lake.
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The Bawl Mill
• Prospectors Beat Mining Claim Tax
• In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico
• Update On “Special Rock” Kicking
• Michigan DEQ Gives Tentative OK to Nickel, Copper Mine
• Saved Before the Tax Bell Tolled
• The Petersville—Yentna Goldfields
• Demand for Copper Boosts Zambian Mining
• Doc Livingston
• Bum Luck
• San Manuel Mine Officially Closes With a Bang
• Environmentalists Target Pebble Mine
• Detecting in Australia's Pilbara Region
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
