The Small Hardrock Mill—Part I
July 2006 by Del Thomas, MEOre dressing is of prime importance to the operator of a small hardrock gold mine. No, Virginia, ore dressing has nothing to do with dressing in the latest spring dresses, or the stuff that gets forced into the turkey on Thanksgiving. It refers to the method of processing ore to extract the valuable minerals contained in the rock—in the case of this series of articles, gold and silver.
From the December 2013 issue:
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Early in 2006, two prospectors, joint owners of unpermitted mining claims in San Bernardino County, California, were confronted by the County Tax Collector with stiff taxes amounting to hundreds of dollars for the “possessory right” to own mining claims in that county.
Excerpts from CMJ published 50 years ago this month.
• Bachelor of Science or just B.S.?
• Monster makes the list
• An unexpected souvenir
• Candidate has bad timing
The Bawl Mill • Detecting at Old Hydraulic Mines • Montana Postpones Mining Rule • Sydney Resource Corp. Ventures into Canada and Mexico • The Treasure Detective • 2006 US Gold Panning Championships • The Iditarod-Innoko Goldfields • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver • Agnico-Eagle to Open Gold Mine in Finland