Lamproites and Diamonds
November 2002 by W. Dan HauselMost prospectors are aware that diamonds are sometimes found in kimberlite, but few are aware that diamonds are also found in another rock type known as lamproite. Lamproite is a very rare volcanic rock that often...
Albanian miners in the rocky, pine-covered hills of northern Kosovo claim it wasn't just politics or religion or even ethnicity that started their war with the Serbs.
The first reported occurrence of uranium in the United States was at Central City, Colorado, in 1871. However, prior to 1922, the ore was mined for its radium content, not uranium.
“Just feel the heft of it!” Those were the words that lit the fire that created a prospector. Before I tell you what took place, I have a desire to tell you when and where it took place.
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Before heading out to work the same old ground, or blindly seeking a previously unknown gold placer area to drywash or detect, maybe you would benefit from doing a little research.
In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.
The Bawl Mill • Our Readers Say • Working the Belmont Mine, Butte, Montana—1953 (Part 2) • A Real Placer Miner • Mojave Desert Gold • Miner Unhappy After Judge Dismisses Charges • Picks & Pans: Fig Tree, Grape Vine and Good Gold • Sluicing on Bedrock • Sandstone Silver in Texas • A Few Prospecting Notes From Jim Straight • Explorers to Salvage Gold-Laden Ship • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back