All Articles
Lode Gold in Nicaragua
May 2005 by Edgar B. Heylmun, PhD
Nicaragua, a Central American country about the size of Iowa, has not been a major gold producer, yet the nation is filled with lode gold occurrences. Natural and man-made disasters have made the country one of the poorest in...
Additional articles that might interest you...
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...
Heavy Glacial Rocks and Gold in the Midwest
December 2013
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
Mining Expedition at Eagle Rock—Part I
May 2009
We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.
We spent the winter and spring months obtaining all of the prospecting and camping gear that would be needed to sustain the five of us for 14 days on the river.
Fellow Miner, Left for Dead, Needs Our Help
September 2002
On January 11, 2002, at 7:00 am, a passerby found what he thought was a dead body by the Pro-Mack South Quartzsite store in front of the gate to the storage lockers next door. The police arrived to find Don Thornton, the Pro-Mack South Quartzsite store manager, unconscious, black and blue...
On January 11, 2002, at 7:00 am, a passerby found what he thought was a dead body by the Pro-Mack South Quartzsite store in front of the gate to the storage lockers next door. The police arrived to find Don Thornton, the Pro-Mack South Quartzsite store manager, unconscious, black and blue...
Guanajuato Silver, Mexico
August 1999
For 250 years, the Guanajuato Mining District of Mexico produced 20% of the world's silver. The old colonial city of Guanajuato (pop.100,000) is wedged in a narrow canyon in the Sierra de Guanajuato, at an average elevation of 6,750 feet.
For 250 years, the Guanajuato Mining District of Mexico produced 20% of the world's silver. The old colonial city of Guanajuato (pop.100,000) is wedged in a narrow canyon in the Sierra de Guanajuato, at an average elevation of 6,750 feet.
Ask The Experts—Difference between a Geiger counter and scintillator
October 2011
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
Would you explain the difference between a Geiger counter and a scintillator and how they operate in uranium prospecting?
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