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.
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Honduras, about the size of Ohio, is one of the “banana republics” in Central America. The central part of the nation is mountainous, with peaks reaching 9,000 feet.
In the old days, each miner staked his claim, and in lode prospecting, the end result was often that one mining company grew up out of each of those individual claims and several different mining companies would often be working on...
Old mine workings and tailing piles can represent opportunities on many levels, from the chance to simply find a nugget on up to the commercial reworking of the old tailings for profit.
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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