All Articles
Placer Platinum
June 2004 by Edgar B. Heylmun, PhD
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.Picks & Pans: Dredging at Douglas Creek, Wyoming
Labor Day! The last chance of the year to do some dredging in Wyoming. Wyoming’s dredging season runs from June through the Labor Day weekend.
The Goldfield Mining District, Nevada—Part II
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
Miners Attend Meeting in Myrtle Point, Oregon
It was "standing room only" as a crowd of approximately 50 interested miners attended a meeting hosted by the Powers Ranger District and Forest Service personnel from the Siskiyou National Forest.
Our Readers Say
• Re: Tyrie's Roadway Nugget
• Re: Are Permits Needed for Highbanking in California
Company Notes
• Royal Gold, Inc.
• Placer Dome, Inc.
PLP Update
The changes we are seeking will most definitely help prospectors, small operations and dredgers. If you haven’t yet read our proposals, you’ll find a link to it at the end of the online version of this article.
Picks & Pans: The Gold of "Eldorado Canyon"—Mariposa County, California
First, let me say that Eldorado Canyon is what we call this area, but it’s not the real name. It’s a piece of private property where we have permission to metal detect; I do not want to start another gold rush! The property is located in Mariposa County...
Subscription Required:
The Bawl Mill
• Higher Copper Price Brings Hope, Jobs
• Zeballos Gold Camp, British Columbia
• Agreement Allows Pogo Mine to Resume Construction
• Treasure Hawk Mine Back in Action
• Oregon Dredgers Receive Threats From Environmentalists
• Understanding Hard Rock Mining: Terms and Methods—Part I
• Mood at Calgary Conference is Subdued, But Optomistic
• Reinventing the Wheel—The Infinity-Jet
• Company Notes
• Endangered Species Act is a Mess
• Here Come the MineBots
• Agency Gives Initial Backing to Kensington Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
• Brits Thwart Robbery of Gold and Cash







