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Prospecting With Color
December 2000 by Edgar B. Heylmun, PhD
Perhaps no one factor has caused more confusion in the search for ore than the attempt to use color as a guide to prospecting. Yet, there is a reason for every color seen in rocks, so it deserves to be noted.
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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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Melman on Gold & Silver
November 2002
To paraphrase Shakespeare, “To war, or not to war, that is the question.” That was the question that dominated national and international headlines over the past month, at least those headlines that were not otherwise occupied by detailing information about one market collapse after another around the world. It is hard to know which was the more important story.
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Searching for Placer Diamonds
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In order to search for placer diamonds, the prospector needs to first become familiar with the commodity that he/she is looking for. Diamonds are extraordinary minerals with extreme hardness that have inherited beauty sought for personal adornment and...
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The Bawl Mill
• Letter to the Editor
• Potaro District, Guyana
• World Gold Council Launches $3 Million Ad Campaign
• Prospecting for Platinum in Wyoming
• Picks & Pans: More Big River Dredging in Northern California
• Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
• A Changing Diamond Industry Looks to Canada for Growth
• History of Mining—Bradshaw Mountains, AZ—Part II
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
