Over The Divide: Miles John Mitchell
May 2017 by Tom Bohmker
A bill that would relax current standards on small mines has passed a House committee.
Marketing other minerals recovered while gold mining
Mineral deposit models have been used in mineral exploration for thousands of years. They were obviously not called models as we use the term today, but the idea of accumulating data to predict mineral deposits is the same. Models can be valuable tools in mineral exploration and assessment and are routinely used by major mining companies in locating and evaluating mineral deposits.
Centrifugal bowls versus jigs
Q: I have a high grade silver-copper vein. In my area of NE Washington, hundreds of these veins were mined and shipped ore years ago. The vein is not a problem to mine, the problem is whom do I sell the sulfide ore to these days?...
Gold in clastic black shale
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: How many claims can I file in Arizona? • Ask The Experts: What should I do with a large amount of old placer concentrates? • Shaker Tables for Processing Hard Rock Ores • Becoming a Successful Detectorist • Hand Panning Micro-Fine Gold • Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens • My Lucky Thirteen Nuggets • Crushing, Grinding and Pulverizing • A Break in the Weather • From the Editor • Prospecting Knowledge -- Pass It On! • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices