Estimating Gold Values in Placer Gravels
May 2005 by StaffThe single most important question to be answered when evaluating a placer deposit is: “How much is it worth?” Accurate sampling of placer gravels is essential to obtain a reasonable estimate of the total gold values contained in the deposit.
The Interior Department is proposing a moratorium on new mining and grazing in a 176-square-mile area of central Arizona dotted with American Indian ruins, a possible first step toward a new national monument.
The “battle lines” are being clearly drawn. By the time you receive this issue both party conventions will take place within just a few weeks and there will be only four months until the final vote.
This article is intended to try to help someone who is breaking into gold detecting and using a pulse induction (PI) detector.
Pacific Island nations have started devising regulatory laws to help create a new industry in this near-resourceless region: mining the sea floor.
• Real or fool's gold?
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The Bawl Mill • Our Readers Say • Lode Gold in Nicaragua • Miners: Plan Ahead for Next Year's Taxes • California's Original Sixteen to One Mine • Montana Multiple Use Association Backs Miner • Picks & Pans: Detecting Micro-Nuggets • Diamond Search Underway in Alaska and Minnesota • Mining Outfits Eye 50-Year Supply of Iron Ore • Goldfield—Princess of the Mojave • Couple Creates Jewelry of the Iron Range • Melman on Gold & Silver • Looking Back • Mining Stock Quotes and Mineral & Metal Prices