Small Mining Operations
The Basics of Crushing and Milling Operations
February 2011 by Chris Ralph
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured
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Good Research and Bad Luck
June 2011
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
Ask The Experts
April 2015
• Making a noisy dredge more quiet
• Making a noisy dredge more quiet
Ask The Experts
March 2016
Options for affordable crushers for small mining operations
Options for affordable crushers for small mining operations
Moore Creek, Alaska—Then and Now
June 2015
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
The gold was very chunky and much of it had quartz attached. Even back then I knew that the gold was very close to its source.
Lode or Placer: What Difference Does It Make?
September 2014
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
The Hughes Creek Placers, Montana
April 2013
Gold discoveries in the Montana territories sparked a frantic stampede to these bonanza destinations in the early 1860s. Hughes Creek is located in Ravalli County, which is located in western Montana, and the gold here is...
Gold discoveries in the Montana territories sparked a frantic stampede to these bonanza destinations in the early 1860s. Hughes Creek is located in Ravalli County, which is located in western Montana, and the gold here is...
Addressing EPA Overreach: What Dredgers Need to Know
March 2016
The Environmental Protection Agency (EPA) has been attempting to extend their authority and intimidate miners and other public land users for decades. Suction gold dredgers are no exception, and we want to highlight a recent example of how to deal with this federal overreach.
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