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.
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Bucket Dredged Boulder Gold
January 2010
The black sand was loaded with mercury from the river, but there wasn’t enough to pick up all the fines. We took out the amalgam and had to suction up the remaining fine gold.
The black sand was loaded with mercury from the river, but there wasn’t enough to pick up all the fines. We took out the amalgam and had to suction up the remaining fine gold.
Gold Mine Plans Upheld in Lawsuit
May 2004
Officials for the largest gold producing company in the world claimed a significant legal victory over environmentalists who they accused of abusing the appeals process to thwart mining in Nevada.
Officials for the largest gold producing company in the world claimed a significant legal victory over environmentalists who they accused of abusing the appeals process to thwart mining in Nevada.
From the Editor
September 2005
Thanks to the hard work of our writers and staff, along with the support of our advertisers, we are beginning our 75th year in print.
Thanks to the hard work of our writers and staff, along with the support of our advertisers, we are beginning our 75th year in print.
Sierra County Gold—Part II
January 2014
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
Using a Winch to Work Smarter, Not Harder
July 2009
It’s really a kick to watch a boulder weighing several tons moving out of your dredge hole and onto the cobble pile being pulled by a cable attached to your portable winch.
It’s really a kick to watch a boulder weighing several tons moving out of your dredge hole and onto the cobble pile being pulled by a cable attached to your portable winch.
Silver Hill, North Carolina
November 2000
To the writer's knowledge, this was the first discovery of silver and lead in North Carolina and perhaps one of the first official discoveries of silver east of the Mississippi River.
To the writer's knowledge, this was the first discovery of silver and lead in North Carolina and perhaps one of the first official discoveries of silver east of the Mississippi River.
Legislative and Regulatory Update
June 2006
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
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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
