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Basic Geology for the Independent Miner—Part IV Geology of Hardrock Gold Deposits
April 2006 by Chris Ralph
Geologic processes can either concentrate or disperse gold and other elements from adjacent rocks. It is the results of the concentration processes that the prospector is most interested in.
Uranium Deposits
The first reported occurrence of uranium in the United States was at Central City, Colorado, in 1871. However, prior to 1922, the ore was mined for its radium content, not uranium.
Ask The Experts: What to do with scheelite
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
Ask The Experts—Amalgamation
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
Mining Stock Quotes and Mineral & Metal Prices
A Data Miner Builds A Power Sluice
Data mining involves processing huge amounts of digital information to find hidden patterns and financial relationships. To executives, the findings are like gold, but on the weekends, I prefer seeing the real thing in the bottom of my pan.
Diamond Fever
In South Africa, a "gregory" is the term applied to a blunder of major proportion. James Gregory will forever be remembered in South African slang as the professor from Great Britain who made one heck of a "gregory."
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The Bawl Mill
• Federal Court to Address Dredge Permits—The Tulloch Rule
• Economic Impact of Mining in Alaska
• The Kenai Peninsula Goldfields
• Copper Price Keeps Canadian Miners Busy
• The Business of Mining: Financial Recoveries for Mandated Changes
• Utilizing Geologic Maps
• The Rich Hill Outing
• Picks & Pans: Detecting at Ganes Creek
• Copper Mine Opening in Utah
• Future of Mining in Bolivia Uncertain
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
