Ask The Experts
Ask The Experts: Nickel assays
March 2017 by Chris Ralph
Q: Our group has found a nickel deposit in the Yuma, Arizona area that is similar to the one that you wrote about...
Ask The Experts: How would you go about evaluating a silver deposit?
Any ore grading 32% silver would contain more than 9,000 ounces of silver per ton and be valued at something in the range of $150,000 per ton. Even a few tons of this type of material would be well worth shipping off to a smelter for treatment.
Ask The Experts - How do I best recover gold in pyrite?
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Bismuth oxide for assaying?
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• Sweep speed and sensitivity settings for a GPX-4500
Ask The Experts—Iridium
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
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