All Articles
The Small Hardrock Mill—Part I
July 2006 by Del Thomas, ME
Ore 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.Additional articles that might interest you...
Exceptional Gold Dredging in New Zealand
September 2000
Gold was first discovered in New Zealand during the early 1840s, but it was only when prospectors located rich alluvial deposits of easily won gold in the South Island in 1861 that the country experienced its first true gold rush.
Gold was first discovered in New Zealand during the early 1840s, but it was only when prospectors located rich alluvial deposits of easily won gold in the South Island in 1861 that the country experienced its first true gold rush.
Lucky Shot Mine and the Willow Creek Plutons
March 2007
Once a thriving mining community, the town of Lucky Shot, Alaska, also known as Kellyville, is nowhere to be found today. Buildings were either hauled away or burned. The snow loads of the Talkeetna Mountains crushed some of...
Once a thriving mining community, the town of Lucky Shot, Alaska, also known as Kellyville, is nowhere to be found today. Buildings were either hauled away or burned. The snow loads of the Talkeetna Mountains crushed some of...
Spreading the Fever
July 2005
Our staff recently introduced the entire student body at Twin Lakes Christian School in Aptos, California, to gold fever. More than a few seemed to catch it.
Our staff recently introduced the entire student body at Twin Lakes Christian School in Aptos, California, to gold fever. More than a few seemed to catch it.
A Gold Mine on a Washington Beach?
February 2012
Bela and Barbara Kovacs began prospecting for gold about seven years ago as a family orientated outdoors activity. A welder by trade and lured by the simple fact that beach sands can contain small bits of precious metals, Bela decided a few years ago to build a sand sucking contraption that can sift the shoreline for anything worth keeping.
Bela and Barbara Kovacs began prospecting for gold about seven years ago as a family orientated outdoors activity. A welder by trade and lured by the simple fact that beach sands can contain small bits of precious metals, Bela decided a few years ago to build a sand sucking contraption that can sift the shoreline for anything worth keeping.
Ask The Experts
September 2016
• Is there a single book that covers most aspects of mining and recovery?
• Is there a single book that covers most aspects of mining and recovery?
Enrichment of Gold Veins
November 2000
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
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