April 2004 by Edgar B. Heylmun, PhDWall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
Ore testing and other advice for starting up a mining operation.
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The ESA has become an unwieldy beast that was hijacked by government agencies run amok, and by extreme environmental groups who saw it as a way to lock up public lands and to generate income through exaggerated claims and continuous lawsuits.
What gives this illustration great importance is America may be facing the same kind of dilemmas that have brought Japan’s market such long-term grief.
Q: A few questions about diamonds...
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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 • 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 • Training Videos From NIOSH • 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