Company Notes

June 2004 by Stan D'Orio

Gold Prospecting on the East Fork River, Alaska (Part III—Conclusion)

March 2003
In this trip, Riley came along with Jay, and Harold came down later. We brought a six-inch dredge down to the creek. We had hoped to use it, but we didn’t.

Finding Gold with a VLF Detector—Part III

June 2014
The higher the sensitivity setting, the louder and sharper the signal from a gold nugget or other metal target.

Diary of a Diamond Prospector

April 2017
I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.

The Montanore Copper and Silver Project

June 2015
This adit will be nearly 3.5 miles long when it reaches the ore zone.

Eastern Arizona: Gold and Base Metal Deposits—Part I

February 2011
Arizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.

Melman on Gold & Silver

September 2004
One of the most frequently quoted sayings on Wall Street is that “markets love to climb a wall of worry.” We’re not so sure about the “climbing” part of it...

The Seven Troughs Mining District

September 2016
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.

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The Bawl Mill   • Higher Copper Price Brings Hope, Jobs   • Zeballos Gold Camp, British Columbia   • Agreement Allows Pogo Mine to Resume Construction   • Treasure Hawk Mine Back in Action   • Oregon Dredgers Receive Threats From Environmentalists   • Understanding Hard Rock Mining: Terms and Methods—Part I   • Mood at Calgary Conference is Subdued, But Optomistic   • Reinventing the Wheel—The Infinity-Jet   • Endangered Species Act is a Mess   • Placer Platinum   • Here Come the MineBots   • Agency Gives Initial Backing to Kensington Mine   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back   • Melman on Gold & Silver   • Brits Thwart Robbery of Gold and Cash

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