Principles of Designing Your Mill Production System, Part I: Starting Up
January 2021 by Keith Bowen
One of the issues that prospectors run into when working to upscale from micro-scale hard rock testing to a greater production output, is that they often confuse individual devices or machines with systems.
Within the first 3 hours he and I had found pocket after pocket of gold and couldn't wait to tell Levi of our treasure.
The evaluation must also consider the gold fineness or purity. The purity of the Sugardaddy nuggets is estimated at 850 fineness, meaning 85% is gold (Au), 12% is silver (Ag) with 3% being other gangue alloyed metal.
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
...Judge Ochoa ordered the parties to participate in mandatory settlement hearings starting June 24, 2014.
The Bawl Mill • Happy New Year 2021! • Ask The Experts - Does steep stream bedrock act like riffles? • Ask The Experts - Where do I register a mining claim in Nevada? • Ask The Experts - Are eskers good locations for gold? • Ask The Experts - Any tips for hunting down gold veins? • Our Readers Say • Dealing With Hot Rocks and Mineralization • Pay Attention to the Features and Landmarks • Gold Prospecting for Better or Worse: All Work and No Pay • Specialized Equipment Available for Hire • Which Coil Should I Use? • Northern Dynasty To Appeal Alaska Permit Rejection • Our Old Friend, Mr. Crashbox • Resolution Copper Project To Be Reviewed By Year-End • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices