Ask The Experts
Ask The Experts
May 2015 by Chris Ralph
Is a miniature spectrometer in our future?Ask the Experts: Big rocks or small cobbles?
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?
Ask the Experts
Breaking cemented gravels
Ask The Experts
• Any suggestions about gold panning in Oregon?
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: More suggestions for dealing with metallic trash....
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
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