Ask The Experts
Ask The Experts - Is this a significant cobalt find?
May 2018 by Chris Ralph
Ask The Experts—Using classifiers
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Ask the Experts
Using GIS systems to aid in mapping.
Ask The Experts - Were there insufficient values to continue mining at this site?
Were there insufficient values to continue mining at this site?
Ask The Experts: What is a Spanish needle?
Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?
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