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Ask The Experts - Can you clarify how many minerals I need to identify to be successful?

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Ask The Experts - Are pulse induction detectors the right tech for gold?


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.

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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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Setting up a gravity dredge

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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The Bawl Mill   • Ask The Experts - Would a platinum nugget contain all the PGMs?   • Ask The Experts - Were there any productive mines where there were no contacts?   • Commercial Placer Mining: Alaska Style   • Indicators and Hillsides   • Surviving the Unexpected   • Gold Placers of Southern California   • Gold Prospecting for Better or Worse: Throwing Away Thousand-Dollar Hot Rocks   • 3D-Printed Tools for Prospecting   • Libby, Montana Prospectors Keep Tradition Alive   • Colorado Miner Sues EPA Over 2015 Spill   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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