History & Geology
All About Chalcopyrite
March 2017 by Chris Ralph

Natural Gold Alloys

The Rush to Treasure Hill
There were some exceptional times in the far-flung history of the West. Rich finds of minerals that set men’s souls ablaze. From the rich gold fields of California, men who arrived too late to find riches went searching in every direction. The trail that we will follow leads east, past the shining silver district of the Comstock Lode.
Ask The Experts
Sulfides and oxides—what's the difference between the two?
Indicator Minerals for Gold & Silver

Butte, Montana—The Richest Hill on Earth
I recently had the opportunity to spend a day exploring around Butte, Montana and was amazed by the amount of mining that has taken place there. The old-timers called Butte “the richest hill on earth” and had pretty good reasons for doing so.
Undiscovered Placer Deposits in Alaska
These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.
Round Mountain, Nevada

Subscription Required:
The Bawl Mill
• Ask The Experts: Can you review the differences in dry washers?
• Ask The Experts: Will this detector work for me?
• Ask The Experts: Nickel assays
• Ask The Experts: Potential for developing magnesite deposit
• Our Readers Say
• Selectable Frequency vs Multi Frequency Detectors
• Detecting Alluvial Bench Deposits -- Pt II
• The Goldfield Mining District -- Then and Now
• Nevada's Lithium Boom
• Old Patch, New Detector
• Over The Divide: James H Harrand & Daniel Yesberger
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices