Small Mining Operations
Ask the Experts
August 2014 by Randy Smith
Centrifugal bowls versus jigsRefractory Gold Processing
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
Explosives delivery Goes Wrong at Australian Mine
February 2023On October 24th, 2022, a Massive Explosion Occurred in Western Australia, About 600 Miles From Perth.
Ask the Experts
Ore testing and other advice for starting up a mining operation.
Prospecting for Copper—What to Look for on the Outcrop
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
Ophir—Possibly the Best Kept Secret in Alaska—Part II
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
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