Eastern Arizona: Gold and Base Metal Deposits—Part I
February 2011 by W. Dan HauselArizona is well-known for its copper-gold porphyries and massive base metal-gold sulfide deposits such that primary gold deposits in the state are often overshadowed.
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
Climbing up the debris, I pointed my flashlight up a shaft ascending straight up as far as my light would shine. It was the stope of the pay shoot leading to the old tunnel above!
It would seem that we are often indeed destined to repeat history. In terms of gold discovery, even with all the advancements that have been made over the years, it seems we are once again on the cusp of returning to the 1800s world of gold mining. Even as you read this, a new gold rush is taking place in a sleepy little town in South Carolina.
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
Until just recently, platinum-group metals (PGMs), especially palladium, had been holding their own on the market. But, Russia has now resumed shipments and it has brought prices down.
The Bawl Mill • Our Readers Say • The Basics of Crushing and Milling Operations • Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum? • Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker? • Ask The Experts—Precious metals in water? • Rediscovering Placerville, California • Over The Divide—Daryl J. Nelson • Legislative and Regulatory Update • Cyanide-Free Gold Separation • Mining Stock Quotes & Mineral and Metal Prices • Melman on Gold & Silver