All Articles
Guest Editorial—California "Special" Dredge Permits in Jeopardy
December 1999 by Guest Writer
by Dennis J. RaffExecutive Director,
Horseshoe Bar Action & Research (HBAR)
The Many Facets of Iron
I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.
An Alaskan in the Lower 48
Our destination was some old hydraulic workings where the old miners had washed literally mountains of material away to expose gold in ancient river channels.
Mining Boom May Be In Store For Upper Michigan
While digging a well six years ago, the owner of a backwoods camp near the Michigan-Wisconsin line cut into sparkling rock. He showed a sample to a geologist friend, who realized it was laced with zinc.
A Gold Detector Sitting in a Closet Only Finds Dust—A Potpourri of Detector Tips
Over the past twenty-five years I have used specialized examples of the various units mentioned in the following article. They all can find gold. Using an expensive “high-end” gold machine does not guarantee success. Your choice should depend upon...
The Bawl Mill
• Science fiction?
• It was just environmentally friendly landscaping...
• A very generous pension plan
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
High Sulfidation Epithermal Deposits
They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.
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The Bawl Mill
• Over the Divide
• Our Readers Say
• Desert Phone Trashed
• ICMJ Elected Prospecting Magazine of 1999
• Advertising Manager Leaving ICMJ
• The Search Continues
• Guest Editorial: U.S. Government—Like Nobody's Business
• Circulation and Collections Manager Leaving ICMJ
• Company Notes
• House Chair Requests Records on Forest Decision
• BLM Wants to Withdraw South Pass Public Land
• Silverton Preserving Lofty Symbol of Mining Era
• Hijackers Make Off With 660 Pounds of Gold
• Prospecting With a Magnetometer
• 1999 Tables of Content
• Lighting the Way Underground 1860-1940s
• Millie's Tailings
• Picks & Pans: Crevicing & Sniping for Placer Gold
• Looking Back
• Gold in Sonora
• Forest Service Boss Quits in Bull Trout Flap
• Melman on Gold & Silver
• European Gold Miners Seek Clarification Letter
• Mining Stock Quotes and Mineral & Metal Prices
• Squeezing Diamond Into Graphite
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