Small Mining Operations
The Importance Of Mining Critical Minerals In The USA
March 2019 by Chris Ralph
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
What Is Your Grade?
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
A High Price to Pay
Over the last several months, starting from before I left for Australia, I’ve been working on getting all the 2011 paperwork done for my mining claims. I will admit that some parts of the paperwork I let go until only a week or two before the due date.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
With eight loads processed, a pumpkin-size rock fell into the hopper, stopping the whole operation until I could lift it out.
High Sulfidation Epithermal Deposits
They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.
Principles of Designing Your Mill Production System, Part I: Starting Up
One of the issues that prospectors run into when working to upscale from micro-scale hard rock testing to a greater production output, is that they often confuse individual devices or machines with systems.
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.
Refractory 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.
The Bawl Mill • Ask The Experts - Any references on gold formation? • Ask The Experts - Finalizing an agreement with a mining company • The Basics of Exploration Leases and Contracts—Part II • Pumping Water With Solar Power • My Introduction To Gold Prospecting • Resurrecting An Old Hard Rock Mine—Safety Is No Accident • Mining Claims: Breaking All The Commandments • Gold Prospecting for Better or Worse: Gold Is Where You Find It • Detecting for Gold: A Return to Familiar Ground • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices