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...
Detecting for Gold in Australia
May 2010
When I got back to my patch, every signal was a nugget, and I was burning up with the gold fever.
When I got back to my patch, every signal was a nugget, and I was burning up with the gold fever.
Platinum in Laccoliths
May 2003
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...
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...
Solar Powered Placer Equipment
September 2006
Is three-dollar gas cutting into your gold prospecting? Tired of gas engine maintenance? Gas engine fumes and noise bothering you? Then go solar.
Is three-dollar gas cutting into your gold prospecting? Tired of gas engine maintenance? Gas engine fumes and noise bothering you? Then go solar.
Looking Back
October 2004
Excerpts for CMJ published 50 years ago this month.
Excerpts for CMJ published 50 years ago this month.
Picks & Pans: Confessions of a Small Miner—Part II
April 1999
People always ask me how much gold I'm getting? I remind them that after 27 years digging in that same mountain, I'm still a small miner. But my wife hasn't divorced me—probably because the lawyer wants all the money up front.
People always ask me how much gold I'm getting? I remind them that after 27 years digging in that same mountain, I'm still a small miner. But my wife hasn't divorced me—probably because the lawyer wants all the money up front.
The Bawl Mill
August 2008
• Congress hits an all-time low
• FEMA—Federal Emergency MISmanagement Again...
• But everyone else is doing it...
• Congress hits an all-time low
• FEMA—Federal Emergency MISmanagement Again...
• But everyone else is doing it...
Looking Back
April 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.
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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
