Ask the Experts
December 2013 by Chris RalphWhy are there no maps of the so-called mining districts?
• Reason for adits rather than shafts?
Where to process high grade gold ore containing sulfides?
Is a miniature spectrometer in our future?
The Bawl Mill • Ask the Experts • Ask the Experts • Sierra County Gold—Part I • ICMJ's Annual Index • Ophir—Possibly the Best Kept Secret in Alaska—Part II • Hunting for Hardrock: The Basics • Gold in the San Francisco District Oatman, Mohave County, Arizona • Heavy Glacial Rocks and Gold in the Midwest • Strategic Metals—Part II • The Amazing Mineral Tourmaline • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices