Ask The Experts - Do I need something other than a fire assay for PGMs?
February 2019 by Chris Ralph
• Two questions: Is fool's gold magnetic? And how do you go about filing a miing claim?
Estimating the gold content of ores with gold, quartz and other minerals?
Dust and dry washing
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 - Do you think it’s realistic for a detectorist to recover a couple of ounces per week if working full time?
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
Problems finding gold with a detector
The Bawl Mill • Ask The Experts - This low-grade ore is not worth processing • Placer Gold Deposits of New Mexico • The Hunch • Resurrecting An Old Hard Rock Mine—A Series of Small Victories • The Basics of Exploration Leases and Contracts—Part I • Gold Prospecting for Better or Worse: A Long Hike • Mutiny on The Mason • Who Jumped Whose Claim First? • The Value of Evidence • Over The Divide: Charles "Chuck" Cushman • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices