Small Mining Operations
Hard Rock University: Expensive Hobby or Real Business?
July 2015 by Keith Bowen
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
Additional articles that might interest you...
Who is a Qualified Person?
January 2012
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
Gary It's There
May 2019
This year was a test. We had never done anything like this before, yet we grossed $30,000 in the short time we had to mine.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
August 2011
Our testing over the past 15 years was to confirm or deny the USGS report completed in 1978. Besides the half acre test dig, we completed many additional test digs by hand and with the backhoe.
Our testing over the past 15 years was to confirm or deny the USGS report completed in 1978. Besides the half acre test dig, we completed many additional test digs by hand and with the backhoe.
Proper Spacing of Placer Sample Sites
September 2013
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
How To Increase The Value Of Your Gold Claims
November 2023Early Summer Mining in Wyoming
August 2017
Old tailing piles extend for miles. There was still plenty of water flowing here, so WPA members set up highbankers at several settling ponds.
Gold Recovery with Centrifugal Bowls
July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
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