Ask The Experts - What assay value is needed for cobalt deposits?
August 2018 by Chris Ralph
Q: What classes should one take if planning on majoring in mining engineering or geology?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Q: How do you amend a placer claim?
• Using drywashers to work desert gravels
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