Prospecting for Copper—What to Look for on the Outcrop
August 2020 by Tom Turner
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
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.
I researched the Internet and found a number of table makers, but technology has changed in the last 25 years. No one could sell me a kit for a new deck with wooden riffles...
There were nice sections of vein material at the end of several drifts, like they just stopped work one day and walked away.
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.
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
One of the first things we did while looking at buying the equipment was figuring out how it would dovetail into the milling process we already had in mind.
The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...
The Bawl Mill • Ask The Experts - Where can I obtain chemicals for flotation? • Ask The Experts - Can I get an update on your efforts in DC? • Ask The Experts - What equipment do I need to enter an old lode mine? • Hard Work Pays Off On Hard Rock • The Mysterious Telluride Minerals • Detecting: Getting Away From The Heat And Into The Gold • The Coolgardie Gold Mining Camp of Southern California • Gold Prospecting for Better or Worse: How Curiosity Burst My Platinum Bubble • Dredging Tips and Tricks: A Measure of Water Pump Efficiency • Hard Rock 101: Small-Scale Blasting • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices