Resurrecting An Old Hard Rock Mine—Safety Is No Accident
March 2019 by Ron Kliewer
Now it was time for the nerve-wracking part of the job: actually removing anything from the hanging wall we deemed to be in need of removal because it was either loose, could be loose, looked loose, or we felt it was just downright dangerous
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...
I thought it might be worthwhile to take a look at the basics of this important mineral separation technique and how a miner can use it to recover the values out of an ore.
In last month’s issue we covered the initial discovery of gold, the subsequent gold rush that occurred around Nome, some of the geology of the area and past production. We’ll conclude the article in this issue with a further examination of the geology and deposit types, discuss the resources...
The favorable geology of the northeastern and central parts of the Seven Troughs Range are the parts most interesting to prospectors. They are underlain by a thick sequence of Tertiary volcanic rocks, mostly rhyolites and andesites.
Augers can be used effectively for placer exploration with certain limitations.
I believe dry washing is an underappreciated prospecting method. There are plenty of places where there is some pretty decent gold to be had, but the spot is a long way from any water and dry processing may well be the best way to go.
Centrifugal bowls versus jigs
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 • Mining Claims: Breaking All The Commandments • The Importance Of Mining Critical Minerals In The USA • 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