Picks & Pans: Detecting Micro-Nuggets
May 2005 by Martin H. MilasI like to play in a big sandbox called the Mojave Desert. I have different ways of getting my kicks. My particular delight is seeing, “How low can I go?” Blame it on too much sun, but there are days I don’t feel like drywashing.
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
Landowners complained that mineral mining on or near their property could damage property values while leaving them without a cut of potential profits.
…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.
Q: Would a mining company be interested in this area for just the magnetite?
Laccoliths are unusual igneous features that seem to occur in the stable interior parts of continents. They are concordant igneous intrusions that have domed the overlying rocks and are circular in plan, and less than 10 miles in diameter. This article deals with some of the laccoliths found in the scenic Colorado Plateau province of Utah, Colorado, and Arizona...
The Bawl Mill • Our Readers Say • Estimating Gold Values in Placer Gravels • 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 • 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