June 2004 by Edgar B. Heylmun, PhDThe 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.
One of our favorite lines can be attributed to former New York Yankee great Yogi Berra when he declared, “It’s deja vu all over again!” Well, during the past month, that seems to be the case as headline after headline has been recurring with amazing frequency.
A retired gold prospector spent hours digging up his fortune in the northern goldfields near Kambalda, Western Australia, after finding the target with his metal detector.
The Gold Eye placer claims, located in the La Cholla district of Arizona, are still producing some beautiful gold. From the days of the Spanish explorers and Mexican miners, men have tunneled into the earth in search of gold in this area.
Look around for areas where you don’t see detector holes or drywasher piles and try your test hole at these spots to determine depth to bedrock.
Back in the early 1990s, a gold mining club in northern California (on the Klamath River near Happy Camp), was offering a free "Trial Week" to test their claims. I decided to take them up on their offer. After obtaining a California Dredge Permit, I loaded my trusty Jeep with my camping gear...
My wife Maureen and I spend part of our winter season in the Quartzsite, Arizona area. One fine March morning, we left our RV camping area at approximately 10am in search of that elusive yellow metal with our metal detectors.
The Patagonia Mountains are a small but rugged mountain range that adjoins the Mexican border some 9 to 16 miles east of the border town of Nogales. The range trends northerly for 14 miles and is about 10 miles wide, reaching an elevation...
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