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Platinum in Laccoliths
May 2003 by Edgar B. Heylmun, PhD
Laccoliths are unusual igneous features that seem to occur in the stable interior parts of continents. They are concordant igneous intrusions that have domed the overlying rocks and are circular in plan, and less than 10 miles in diameter. This article deals with some of the laccoliths found in the scenic Colorado Plateau province of Utah, Colorado, and Arizona...Additional articles that might interest you...
The Patio
January 2003
“Hey, R.B., let’s go down and see how the patio is going.” Bart, my neighbor, called to me across the fence as he strolled by, heading towards the mine superintendent’s house.
“Hey, R.B., let’s go down and see how the patio is going.” Bart, my neighbor, called to me across the fence as he strolled by, heading towards the mine superintendent’s house.
Our Readers Say
May 2016
Why Do We Do The Things We Do?
September 2003
For years I had studied the tempting bench high above the East Fork of the San Gabriel River. A beautiful 20-foot vertical wall of encrusted boulders, cobbles and gravels beckoned to me 100 to 150 yards up a steep slope from the river bed. They were all very promising material. The kind of rounded curves that can charm so well, and tease a grown man into risking life and limb. So, on that nearly fatal day in May, I packed a spiral wheel...
For years I had studied the tempting bench high above the East Fork of the San Gabriel River. A beautiful 20-foot vertical wall of encrusted boulders, cobbles and gravels beckoned to me 100 to 150 yards up a steep slope from the river bed. They were all very promising material. The kind of rounded curves that can charm so well, and tease a grown man into risking life and limb. So, on that nearly fatal day in May, I packed a spiral wheel...
Mine Threat Just a Stunt to Criticize Land Laws
November 2004
An environmental group has staked a claim to mine 20 acres of land next to a posh subdivision near Hayden Lake, Idaho, to illustrate how antiquated the nation’s mining laws have become.
An environmental group has staked a claim to mine 20 acres of land next to a posh subdivision near Hayden Lake, Idaho, to illustrate how antiquated the nation’s mining laws have become.
Mining Stock Quotes and Mineral & Metal Prices
August 2002
The Joy of Prospecting
February 2004
I have been prospecting and mining for gold, both as a hobby and as an occupation, for nearly 30 years. From the deep green forests to the rolling sagebrush hills, few people see as much of America’s wide-open spaces as I do.
I have been prospecting and mining for gold, both as a hobby and as an occupation, for nearly 30 years. From the deep green forests to the rolling sagebrush hills, few people see as much of America’s wide-open spaces as I do.
Melman on Gold & Silver
April 1999
As we traveled through the states of Washington, Oregon, California, Arizona, Nevada, New Mexico and Texas we saw the combination of mining towns in stagnation but otherwise, incredible displays of prosperity.
As we traveled through the states of Washington, Oregon, California, Arizona, Nevada, New Mexico and Texas we saw the combination of mining towns in stagnation but otherwise, incredible displays of prosperity.
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The Ball Mill
• Our Readers Say
• WMD Raffle Raises Funds for Lawsuit
• Gold in Alabama
• From the Editor
• Yukon Placer Miners Fighting Extreme Discharge Limits
• Picks & Pans: Red Beryl Mining—Beaver County, Utah
• The Investigation
• A Gold Detector Sitting in a Closet Only Finds Dust—A Potpourri of Detector Tips
• Central Coast Ranges
• Poll: Montana in Favor of Repealing Anti-Mining Initiative
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
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• BLM Runs Check on Assay Services
