Ask The Experts - True north or magnetic north?
February 2021 by Chris Ralph
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?
Q: Are there any mills that handle VMS ore?
What are these rocks?
Q: What I would like to know is how to confirm if it is magnesite and the quality.
Geologic references for northern Nevada
The Bawl Mill • Ask The Experts - Where did the gold go? • Ask The Experts - How do I avoid claim jumping? • Ask The Experts - Are closed placer and lode claims worth my time? • Gold Geochemistry: Where Does Gold Come From? • Goal Setting and Rock Tossing • Principles of Designing Your Mill Production System, Part II: Mill Design • Gold Prospecting for Better or Worse: A Claim to Die For • Tips and Tricks: How to Make Your Own Gold Bars Without Burning the Place Down • Understanding Rock Formations: Petrology for Prospectors • Minnesota Lawmakers Move to Stop New Mines • Drywashing for Desert Gold—Part I • Seven Troy Ounces of Premonition? • I Was Looking for Gold But I Found Jade • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices