All Articles
The San Juan Mountains, Colorado
September 2001 by Edgar B. Heylmun, PhD
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
Additional articles that might interest you...
Irish Gold
September 2005
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“When Irish Eyes Are Smiling” is the title to one of the world’s most famous songs, but it might also take on new meaning if a junior mining company succeeds in bringing its plans to fruition.
“When Irish Eyes Are Smiling” is the title to one of the world’s most famous songs, but it might also take on new meaning if a junior mining company succeeds in bringing its plans to fruition.
Bering Sea Gold—Part I
April 2012
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
Carrizozo Lava Older Than Once Thought
October 1999
The Valley of Fires lava flow outside Carrizozo is older than previously thought. In geologic terms, the central New Mexico volcanic feature is still a youngster at 5,000 years old. But that's considerably older than the 1,000-year-old tag scientists once placed on it...
The Valley of Fires lava flow outside Carrizozo is older than previously thought. In geologic terms, the central New Mexico volcanic feature is still a youngster at 5,000 years old. But that's considerably older than the 1,000-year-old tag scientists once placed on it...
Iron Minerals, Your Detector and Gold
January 2013
It’s worthwhile for the prospector using a metal detector to know a little bit more about the association of iron and gold as well as how iron minerals affect your metal detector.
It’s worthwhile for the prospector using a metal detector to know a little bit more about the association of iron and gold as well as how iron minerals affect your metal detector.
PLP and MMAC Update
January 2018
Growing Pains of the Learning Curve
January 2009
Interestingly enough, when I first started to think about writing this article I was listening in on a conversation my wife was having with our nine-year-old twin boys. Just to add some clarification to the subject, I spend a large proportion of my time out in the...
Interestingly enough, when I first started to think about writing this article I was listening in on a conversation my wife was having with our nine-year-old twin boys. Just to add some clarification to the subject, I spend a large proportion of my time out in the...
The Ferris-Haggarty Copper-Gold Mine, Grand Encampment District, Wyoming
January 2003
At the close of the 19th Century, optimism was high that Wyoming would become an important source for copper much like the neighbor states of Colorado, Utah, and Montana. This dream was short-lived...
At the close of the 19th Century, optimism was high that Wyoming would become an important source for copper much like the neighbor states of Colorado, Utah, and Montana. This dream was short-lived...
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The Bawl Mill
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• Guest Editorial—Vertical Disintegration
• USGS Reports Increase of Imported Minerals
• A Silver Opportunity
• Gold in Virginia
• Picks & Pans: DEF Prospectors Rally Was a Huge Success
• News From GATA
• Our Nugget Shooting Adventure
• How PGMs Affect Assay Beads
• Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
