Mining for Gold and Sapphires in Montana
April 2014 by Chris Ralph
Fascinated by the sapphires—and the gold that occured with them—he was soon buying parcels of property and setting up his own commercial-scale gravel processing plants.
For simplicity, I will assume that you wish to make enough profit so that you can comfortably pay your bills using just the profits from the mine.
Centrifugal bowls versus jigs
Imagine you have located a source of virgin placer ore containing immense gold value. Now imagine that there is a 10-ton monolith of extremely hard gneiss in between you and payday.
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
Starting small with quick profitability gives you a lot of financial elbow room plus real-world experience that can be used for final mill design.
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Ask the Experts • Contrary to Rumors, Couple Will Keep the Saddle Ridge Hoard • Finding Gold with a VLF Detector—Part I • Creating Your Own Luck • Over the Divide—Robert Michael “Mike” Corbley • Continuing Hard Rock Exploration • Recovering Fine Gold with Oleophilic Adhesion • Detecting for Gold in Nevada • Using Structural Clues to Locate Buried Placer Channels • Gold Deposits of the Ivory Coast • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices