All Articles
Gondwana Gold and Diamonds
October 2002 by Edgar B. Heylmun, PhD
Some 250 million years ago, the Earth had just one supercontinent, known as “Pangaea.” For whatever reason, the supercontinent began to break apart. South America and Africa remained joined, as “Gondwana,” until 65 million years ago, when they split apart. The obvious “fit” of South America with Africa was noted by geologists back in the 19th century, but it was not until Alfred Wegener came out with his “continental drift” hypothesis in 1912 that people took note.Palladium Hitting Jewelry Market
When Frank McAllister talks about palladium, his passion is palpable. So when the Stillwater Mining Co. CEO compares the precious metal to a fairy-tale princess, one can’t help but wait for the explanation.
EPA Reopens Comments on Pebble Project
The settlement did not grant an immediate approval for the project, but it did begin to clear the way for the company to apply for federal permits—a path the Obama administration previously had thwarted.
Epithermal Gold-Quartz Veins
The great mining geologist Waldemar Lindgren used the word “epithermal” to describe a type of quartz vein commonly found in desert regions of the United States and Mexico.
Melman on Gold & Silver
Although there is no direct connection between the price of lumber and the precious metals, there is an important indirect one due to the importance of the housing market to overall economic activity.
Desert Drywashing
I thought I’d try something totally different—a large area of small material tailings. After about an hour of digging and test panning we both had more gold than all the other digs combined.
Gary It's There
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
The Bawl Mill
• Freedom request denied
• Missing sandwich becomes a federal case
• Washington man takes the initiative
• And I complained that the Journal was delivered late...
Subscription Required:
The Bawl Mill
• Our Readers Say
• Placer Gold in Idaho
• Working the Belmont Mine Butte, Montana—1953
• Simple Sluice Design
• Cobalt and Nickel in Missouri
• Sunshine Mine Video Brings Back Painful Memories
• Hardrock Detecting
• Gold Garbage: Scams New & Old
• Company Notes
• Picks & Pans: Confessions of a Professional Nuggetshooter
• Looking Back
• Ghost Towns of Washington County, Utah
• The Fire Within
• 2002 California State Gold Panning Championships—Foresthill, California
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
