All Articles
Gondwana Gold Gravels
June 2000 by Edgar B. Heylmun, PhD
The German scientist, Alfred Wegener, came out with his theory of "continental drift" in 1912. He was considered a crackpot and it was half a century before geologists and planetary scientists began to take a second look at his theory.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Wild and Scenic River Prospecting—North Fork of the American River
Today it is getting tougher and tougher to find a place to prospect. There is one significant haven left for the small miner...
Lucky Shot Mine and the Willow Creek Plutons
Once a thriving mining community, the town of Lucky Shot, Alaska, also known as Kellyville, is nowhere to be found today. Buildings were either hauled away or burned. The snow loads of the Talkeetna Mountains crushed some of...
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
The Keystone Gold-Copper District, Medicine Bow Mountains, Southeastern Wyoming
The Keystone district includes a group of mineralized shear zones and veins that are associated with the Keystone Quartz Diorite in the Medicine Bow Mountains of southwestern Wyoming. Gold production from this district is unknown, although some estimates suggest that 7,500 to more than 12,000 ounces were produced.
Mining, Health Care & Taxes
Like it or not, the US Supreme Court has ruled and the so-called “Affordable Care Act” (ACA) is now the law of the land—and the Tax Code. What’s more, despite the promises of many politicians to repeal it, it may be around in some form for years to come.
The Bawl Mill
• A sobering revelation
• "Greenbacks" for green energy
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The Bawl Mill
• Our Readers Say
• Guest Editorial—Unreasonable Interpretations
• Ruling Awards Giant Nugget to Finder
• Letter to the Editor
• Traditional Adversaries Reach Agreement
• The Gold Belts of Georgia
• Company Notes
• Placer Testing with Large Samples
• Quick Thinking & Rescue Devices Save Two Lives
• Picks & Pans: The Discovery Gulch Diggings
• Prospector Finds Cache of Emeralds in North Carolina
• My Old Carbide Lamp
• Melman on Gold & Silver
• Hands & Pans on the South Yuba River
• Permafrost Tunnel Shows Cross-sections of Past
• Mining Stock Quotes and Mineral & Metal Prices
