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Hillside Placers
July 2003 by Edgar B. Heylmun, PhD
Hills and mountains that contain gold deposits will weather and erode over a long period of time, and the eroded material will move slowly downhill. Frost wedging and roots are two of several agents that can cause bedrock to be fractured and...
Exploring A Historic Lode Mine
Climbing up the debris, I pointed my flashlight up a shaft ascending straight up as far as my light would shine. It was the stope of the pay shoot leading to the old tunnel above!
The Subsurface Suction Dredge
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
BLM Runs Check on Assay Services
The Bureau of Land Management (BLM) recently conducted a multi-year study of sixty-five assay laboratories to determine the accuracy of their testing procedures. The laboratories, all located in North America, were provided with ore samples of known concentrations without benefit of identifying the source as BLM. Payment was rendered for the service provided.
The "Drumstick"
These gifts of nature are all unique to say the least. Any large nugget is an added blessing to the long toiling hours a miner puts in on his claim. Each golden clunker found is an added bonus. And each big one found will be discussed around the dinner table, or the fireplace.
Ask the Experts
Q: How can I locate good places to prospect and meet like-minded individuals at the same time?
Continuing Hard Rock Exploration
We had been picking away at it, but the going was mightly slow. Why not use some explosives to advance a little quicker?
The Wild Rush To Find More Cobalt—Part II
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
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The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
• Gold Deposits in Skarn
• Picks & Pans: Highbanking on the American River
• Platinum Firm, Palladium to Remain Weak
• Spencer Opal Deposits, Idaho
• Company Notes
• Elko Mining Expo a Success
• Gold Prospecting in Alberta
• National Mining Hall of Fame to Induct Six
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
