All Articles
VMS Deposits in Central Arizona
October 2004 by John Rothermel
Volcanogenic Massive Sulfide (VMS) deposits in the Central Arizona Precambrian volcanic belt occur within a felsic package of volcanic rocks capped by an exhalite unit comprised of cherts, iron formations and siliceous members.
The Unusual Forest Nugget Patch
This is the story of a nugget patch I’ve been working on that is a bit unusual. I won’t be telling you where it is located, but I will tell you how I found it and how I’ve worked it.
The Bawl Mill
• Lock ‘em up and throw away the keys
• Snow White and the 9 Justices?
• Child support wasn’t her “Primary” concern...
• Burglar makes a clean getaway
Ask the Experts
Q: A few questions about diamonds...
Ask The Experts—Difference between a Geiger counter and scintillator
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
The Golden Highway—Nevada County
Highway 49—the “Golden Highway”—heads northeast out of Placer County into a stretch of Nevada County that is almost as busy as it was during the Gold Rush. The neighboring towns of Grass Valley and Nevada City are still booming—a beautiful location to live in the Sierra foothills.
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The Bawl Mill
• Update: Forest Service Interim Rule
• The Guyana Highlands
• Prospecting with a VLF-Type Gold Detector
• Freegold Ventures' Golden Summit Project
• Picks & Pans: Working the Crevices
• Molybdenum
• 2004 California State Gold Panning Championships
• Company Notes
• Why Environmental Groups Prefer Kerry
• The French Mines of El Boleo
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
