Small Mining Operations
Underground Mining: Getting the Ore Out
February 2017 by Chris Ralph
Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.
Dredging Safety: Don't Ignore The Warning Signs
At first, I tried to shift things around, but then a hand with a rock would appear, so I would stop trying to adjust my gear and grab the rock to keep things moving.
Papa's Got A Brand New Dredge!
It was time to prime the pump and start the engine! Dan’s priming method is to use a small, submersible, 12-volt pump. My priming method is to use a hand-operated diaphragm pump.
Why Haven't They Mined This Claim?
Improvements in mining equipment and techniques, along with a higher gold price, make many mining properties profitable today that may not have been in the past.
Hard Rock Milling: A Matter of Scale
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Designing and Evaluating Placer Gold Recovery Plants
For this article, I am focusing on industrial production plants that can handle 10 cubic yards per hour or more and would be fed by a loader or other heavy equipment...
Resurrecting An Old Hard Rock Mine
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
Care and Lubrication of a Model 13 Laboratory Wilfley Table
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.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts: Looking for help on unproven claim
• Calcite and Limestone
• Detecting Basics: Lose the Bad Habits Not the Gold
• Feather River Gold
• Detecting Alluvial Bench Deposits
• From Vietnam to Wedding Bands
• Trade-Ins, Swaps and Like-Kind Exchanges
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
MMAC Update
