All Articles
An Expensive Lesson
October 2011 by Jim Foley
Alaska is a land of extremes and the weather is no exception. By the time we reached the mighty Yukon River we could see a dark line of clouds stretching from east to west as far as the eye could see.State May Re-Examine Plans on Dredge Use Near Hope
The State Division of Governmental Coordination said it should have been asked to review the project a year ago to make sure the mine complies with the Alaska Coastal Zone Management Plan.
A Test Grid Dredged for Gold Values
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
Fire Agate in Arizona
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.
In Pursuit of Gold & Silver in the Sierra Madres—The Plan
In my travels, and my experience with gravity tables, one thing has implanted itself in my mind. What about the tails?
Ask The Experts: What indicator rocks should I be looking for in northern Nevada?
Q: Can you tell us what the indicator rocks are? I’ve looked at the nearby digs and pushes that were made for gold and it looks like we’re digging on some similar material...
125 Years of Mining History in the Panamints
Two years after California's major gold discovery, another find was made in Ballarat, Australia. The news of the discovery went world-wide, and many of the California prospectors had heard plenty about Australian gold—especially the 2,284-ounce nugget found there.
Legislative and Regulatory Update
• Bill to address RS 2477
• Roadless Rule update
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The Bawl Mill
• Legislative And Regulatory Update
• Ask The Experts—Separating platinum from sands using bubbles
• Ask The Experts—Extraction of micro gold from black sands
• Ask The Experts—Difference between a Geiger counter and scintillator
• Then and Now: Is Gold Really Money?
• Gold, Quartz & Chalcedony—Part I
• Prospecting Australia—Part I
• Oregon Dredge Permit Litigation Update
• Gold From Black Sand Tailings
• The Fine Art of Panning Heavy Sands
• California State Gold Panning Championships
• The Golden Days of Julian, California
• Judge Denies Request To Delay Michigan Mine
• Melman on Gold & Silver
