Principles of Designing Your Mill Production System, Part II: Mill Design
February 2021 by Keith Bowen
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.
With great relief, the equipment I chose worked well, and after shoving into three days what should have been ten days of set-up and testing, we were up and running.
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
Buying a placer claim or investing in a placer mining property comes with plenty of financial risks. You need as much information as possible about the mineral deposit in order to minimize those risks.
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
Once 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.
One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.
The Bawl Mill • Ask The Experts - Where did the gold go? • Ask The Experts - True north or magnetic north? • Ask The Experts - How do I avoid claim jumping? • Ask The Experts - Are closed placer and lode claims worth my time? • Gold Geochemistry: Where Does Gold Come From? • Goal Setting and Rock Tossing • Gold Prospecting for Better or Worse: A Claim to Die For • Tips and Tricks: How to Make Your Own Gold Bars Without Burning the Place Down • Understanding Rock Formations: Petrology for Prospectors • Minnesota Lawmakers Move to Stop New Mines • Drywashing for Desert Gold—Part I • Seven Troy Ounces of Premonition? • I Was Looking for Gold But I Found Jade • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices