Ask The Experts: Is this deposit worth working?
April 2017 by Chris Ralph
Q: Can you tell me if this deposit is worth working? It is a quartz vein and I had it analyzed for gold, copper, rare earths and other metals.
I know big mining companies use cyanide and other leach systems to recover gold from ore. Is this the only economically feasible way to recover the values?
Bismuth oxide for assaying?
If it's gold, how should I clean it?
• How many parts per million make a project viable?
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