Small Mining Operations
Small-Scale Hard Rock Mining With Water Recycling
March 2015 by Bruce MannOnce I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
Principles of Designing Your Mill Production System, Part II: Mill Design
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.
Memories of Shirttail Creek, Northern California
…for a few hours, we fervently dug for gold. After we did a cleanup, I couldn’t believe the amount we got.
All About Trommels and Screens for Placer Gold Recovery
The right speed accumulates only the heavy materials and allows all of the lighter stuff to flow through. This optimum speed is dependent on the size of the gravel you need to move through the system.
Sampling for Success—Part I
All these decisions and more depend on the richness of a claim—something that is determined by sampling. But sampling isn’t cheap, and even collecting the samples can be more difficult than it appears on the surface.
Resurrecting An Old Hard Rock Mine—Safety Is No Accident
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
Placer Mining At Chititu Creek, Alaska
There is reason to believe these stream valleys are still rich with gold, silver and copper.
The Bawl Mill • Our Readers Say • Ask The Experts • Ask The Experts • Ask The Experts • Just Another Ordinary Weekend • The Paragenesis of Gold & Silver Deposits • Getting A Successful Start in Metal Detecting for Gold • Placer Mining At Chititu Creek, Alaska • Gold Rush Continues in Africa • Gold Refining In The Ancient World • Tasers and Mining Don't Mix • Thinking Outside The Creek • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices