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.
Harshaw's Silver Days
In the Patagonia Mountains east of Nogales, Arizona, between the famed ruins of Mowry and the quaint old mining supply center town of Patagonia lies the remains of Harshaw, once a thriving mining camp in its own right.
Millsite Opinion Overturned!
Interior Secretary Gale Norton approved the reversal of controversial millsite restrictions that were put in place by the Clinton administration.
Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
ICMJ's 13th Annual Photo Contest
Once again we'd like to thank the many participants in our annual photo contest. Picking our favorite ten photos is never an easy task, as there were so many great photos from which to choose.
The Bawl Mill
• Are you paying for others' risk-taking?...
• They call it the "impalement captial of the United States"—and not to be funny!...
Round Mountain, Nevada
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.
The Phoenix Gold Mine: A Brief History
The Phoenix Gold Mine is located approximately 7 miles south of Concord, North Carolina, and was discovered in about 1836, some 37 years following the first discovery of gold in the United States and a few years following the discovery of gold in quartz veins by Joseph Barringer.
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The Bawl Mill
• A True Endangered Species
• 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
