Using Mineral Deposit Models
June 2003 by Lawrence DeeMineral 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.
• What's good for the goose is good for Senator Feinstein...
• So much waste, it could fill a book...annually
• Just put it on my card...
U.S. Forest Service officials are drawing criticism from environmentalists for reopening some back-country roads that had been closed to protect threatened grizzly bears.
As we all get back to “normal,” or as close to it as we can, I want to take this opportunity to thank all of our advertisers for sticking it out through the hard times.
During this trip we found enough gold to make us want to come back, even with the punishment of a very long, tough hike.
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
Look around for areas where you don’t see detector holes or drywasher piles and try your test hole at these spots to determine depth to bedrock.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Bawl Mill • City Gives Blessing to Pogo Mine • Underground at Yankee Jim's • Dry Placers in Southern Baja • A Gold Detector Sitting in a Closet Only Finds Dust—More Detector Tips • Gold in Tennessee • Old Stock Certificates—Treasures or Trash? • Payette Forest Sides With Mining Company • Miners Still Waiting for Bonding Recommendations from DOI • The Old Mine Dump • A Practical Approach to Dowsing • Feds Release Opinion on Planned Mine Under Montana Wilderness • The Lengendary Lost Gold of the Headless Valley • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices