Ask The Experts
May 2015 by Chris RalphIs a miniature spectrometer in our future?
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?
Breaking cemented gravels
• Any suggestions about gold panning in Oregon?
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.
Q: Thanks for the great article in the recent ICMJ [“Metallic Trash—Scourge of the Prospector,” July 2012]...
The Bawl Mill • Ask The Experts • California's Mother Lode Quartz Veins • Key to Successful Prospecting: Confidence • What To Look For—And Look Out For—In A Placer Mineral Report • Additional Note on Bluff's Beach • Surface Indications Of Quartz Adularia Epithermal Deposits • Montana’s Rosetta Stone: Discovering Mines In The Treasure State • Perception of Mining vs. Reality • Partnering for Tax Savings • Over The Divide: Charles Lewis Garrett • Piggin' for Gold • Mining Stock Quotes and Mineral & Metal Prices • Melman on Gold & Silver