All Articles
Gold in the Chinle Formation
May 2004 by Edgar B. Heylmun, PhD
The Chinle Formation, of Triassic age, underlies about 100,000 square miles in Arizona, Colorado, Nevada, New Mexico, and Utah. It adds to the scenic grandeur of the great Colorado Plateau province, noted for its high cliffs and deep canyons.
Future of Mining in Bolivia Uncertain
The miners offer the still-beating hearts of four freshly-sacrificed llamas to a statue of the fiendish god “El Tio,” who they believe affords them protection and good luck.
The Rich Hill Outing
Out in the western gold country, the traffic of electronic prospectors on the hills appears to be increasing at a rapid rate. While a lot of factors are contributing to this, probably the biggest force attracting these new folks is the continuing...
A Journey Into the Silver Peak Range
The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.
Las Médulas—The Gem of the Roman Gold Mines
This mine was a real wonder of engineering, and the water supply and drifts had to be carefully managed to keep it in operation. In fact, it didn’t close due to lack of gold, but instead closed with the fall of the Roman Empire.
Ask The Experts: Is there a safe DIY alternative to cyanide or mercury for extraction?
Q: With safety as a given, what can the average miner, or Joe-blow greenhorn do to identify and extract some metals or minerals with off-the-shelf products or natural ingredients?
MMAC & PLP Update
Keep in mind there are specific steps that must be taken to get your traditional mining district organized if it has fallen into disarray.
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The Bawl Mill
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• Prospecting for Copper
• US Mining Industry Outlook Brighter
• Gold Dredgers Rescue Threatened Fish
• Gold Mine Plans Upheld in Lawsuit
• DOI Computers Back Online
• Picks & Pans: Nuggets by the Dozen in Alaska
• Historical Mining Methods
• The Elusive Mother Lode
• Clarence King, Geologist
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver







