How To
What To Do When Gold Recovery and Assay Values Differ
May 2018 by Don Robinson
Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.
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Ore testing and other advice for starting up a mining operation.
Lode or Placer: What Difference Does It Make?
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.
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• How do I clean up gold encrusted with iron-sulfides?
Nevada Looks to Tourism to Fill Mining's Gap
Lt. Gov. Lorraine Hunt and the Nevada Commission on Tourism have agreed to seek an unspecified amount of marketing funds to boost tourism in the Ely, Nevada area in the wake of a mine closing.
How to Field Evaluate A Placer Property
If there is misleading wording anywhere, it will be in the sample data and in reserve/resource estimates.
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Bismuth oxide for assaying?
Where Should I Start?
Digging in the right spots will produce excellent results, like this group of nuggets taken by the author while metal detecting during the last few months. The biggest nugget is over an ounce.
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• Ask The Experts - Is this a significant cobalt find?
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