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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 Rush to Treasure Hill
November 2012
There were some exceptional times in the far-flung history of the West. Rich finds of minerals that set men’s souls ablaze. From the rich gold fields of California, men who arrived too late to find riches went searching in every direction. The trail that we will follow leads east, past the shining silver district of the Comstock Lode.
There were some exceptional times in the far-flung history of the West. Rich finds of minerals that set men’s souls ablaze. From the rich gold fields of California, men who arrived too late to find riches went searching in every direction. The trail that we will follow leads east, past the shining silver district of the Comstock Lode.
Legislative and Regulatory Update
June 2006
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
• SREP appeals
• No decision yet in Karuk case
• Right to Access bill
Ask the Experts—How do you determine how far a piece of gold has traveled in a stream?
December 2011
Legislative and Regulatory Update
February 2009
• Environmentalists are missing a golden opportunity
• Special-use authorization not needed
• Environmentalists are missing a golden opportunity
• Special-use authorization not needed
The Bawl Mill
January 2010
• Top 10 ways to get past airport security
• Scientific certainty flashback
• Open means closed
• Gore’s Inconvenient Truth
• Top 10 ways to get past airport security
• Scientific certainty flashback
• Open means closed
• Gore’s Inconvenient Truth
How to Prospect for Silver Field Tests You Can Use to Detect the Hidden Metal
May 2006
Don’t bother eyeballing that rock for silver! Even if it’s high grade you’ll not see the familiar dime or quarter coin color. Native silver is almost as rare as brass ore. Well, if it’s so hard to find, is silver worth looking for? You bet! Just check the latest prices—and they may go higher.
Don’t bother eyeballing that rock for silver! Even if it’s high grade you’ll not see the familiar dime or quarter coin color. Native silver is almost as rare as brass ore. Well, if it’s so hard to find, is silver worth looking for? You bet! Just check the latest prices—and they may go higher.
The Bawl Mill
April 2014
• What's good for the goose is good for Senator Feinstein...
• So much waste, it could fill a book...annually
• Just put it on my card...
• What's good for the goose is good for Senator Feinstein...
• So much waste, it could fill a book...annually
• Just put it on my card...
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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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Legislative and Regulatory Update
• BLM Runs Check on Assay Services
