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Lamproites and Diamonds
November 2002 by W. Dan Hausel
Most 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...
Miners Claim Victory in Fight That Began with Protest
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.
Uranium Deposits
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
“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.
Volume is the Key to Success
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.
Enrichment of Gold Veins
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part II
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.
The Trapiches of Chile
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.
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