All Articles
Alluvial Fans
April 2002 by Edgar B. Heylmun, PhD
Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.Additional articles that might interest you...
Understanding Geologic Deposit Models
May 2008
Geologists have long noted the similarities of certain types of mineral deposits all across the globe. Similar minerals, similar country rocks, and similar grades of mineralization may occur in several different parts of the world.
Geologists have long noted the similarities of certain types of mineral deposits all across the globe. Similar minerals, similar country rocks, and similar grades of mineralization may occur in several different parts of the world.
Search Coils and Techniques
May 2014
This article is intended to try to help someone who is breaking into gold detecting and using a pulse induction (PI) detector.
This article is intended to try to help someone who is breaking into gold detecting and using a pulse induction (PI) detector.
Looking Back
June 2003
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Looking Back
August 2004
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
EPA Offers Liability Protection to Spur Cleanups
October 2005
Environmental groups that volunteer to help government and businesses clean up waste from mine drainage in the West won’t be held liable if there are future disputes over the pollution, the Environmental Protection Agency said.
Environmental groups that volunteer to help government and businesses clean up waste from mine drainage in the West won’t be held liable if there are future disputes over the pollution, the Environmental Protection Agency said.
The Bawl Mill
March 2001
• Thieves bag a golden frog in museum heist...or do they?
• Aquarium workers ate protected sea turtle...
• Woman entitled to sue over being called "Monica Lewinsky"
• An Affair to Remember...
• Thieves bag a golden frog in museum heist...or do they?
• Aquarium workers ate protected sea turtle...
• Woman entitled to sue over being called "Monica Lewinsky"
• An Affair to Remember...
Scams, Scammers and Schemes
December 2012
Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.
Gold mining has received many black eyes from many scams, scammers and schemes throughout the years. Unscrupulous scammers have swindled naive people for millions of dollars in the past and will, no doubt, continue into the future.
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The Bawl Mill
• 43 CFR 3809 Final Rule
• Platinum Claims on Heines Creek
• Picks & Pans: Eureka! We Struck It Again
• More on Meteorites
• The Gold Hill and Iowa Mine, Boise County, Idaho: 1863-1895
• The First Prospectors
• All That Glitters is Gold
• Aussie Gold—Swinging Over to South Australia
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
