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.
Additional articles that might interest you...
East Coast Prospecting Challenges
August 2009
There is one gold prospecting requirement... that remains a steeper challenge to prospectors in certain portions of the United States.
There is one gold prospecting requirement... that remains a steeper challenge to prospectors in certain portions of the United States.
Dry Washer, Wet System or Metal Detector?
April 2016
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
I love to dry wash old nugget patches found by detector operators, and I have found my fair share of gold dry washing those areas. I have also found a few nuggets using a detector on the bedrock exposed by dry washing the patches.
Long-Term Camping Plan at Fortymile Proposed by BLM
August 1999
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
Gold Rush in the Congo
May 2013
It all started with a phone call from my friend and prospecting partner Pat Keene. He told me that he knew of an investor who was just starting out in the gold industry and was looking for a gold consultant to go to Africa to prospect and analyze a 400 sq. mile concession in the middle of the Congo rainforest. I waited for the “just kidding” line...
It all started with a phone call from my friend and prospecting partner Pat Keene. He told me that he knew of an investor who was just starting out in the gold industry and was looking for a gold consultant to go to Africa to prospect and analyze a 400 sq. mile concession in the middle of the Congo rainforest. I waited for the “just kidding” line...
Ask the Experts
July 2014
What to do with black sands
What to do with black sands
Nevada Regulators Reach Agreement With Queenstake Resources
November 2009
Environmental regulators ordered Jerritt Canyon Mine near the Nevada-Idaho line closed on May 30 for failure to install equipment to control mercury air emissions. Yukon-Nevada blamed the failure on needed parts that didn’t arrive in time.
Environmental regulators ordered Jerritt Canyon Mine near the Nevada-Idaho line closed on May 30 for failure to install equipment to control mercury air emissions. Yukon-Nevada blamed the failure on needed parts that didn’t arrive in time.
Melman on Gold & Silver
March 2011
...rising inflation has been perhaps the greatest single positive influence during past golden bull markets, and the fires of inflation, particularly those driven by rising food prices, do appear to be glowing ever brighter.
...rising inflation has been perhaps the greatest single positive influence during past golden bull markets, and the fires of inflation, particularly those driven by rising food prices, do appear to be glowing ever brighter.
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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
