Critical Metals: Copper
May 2012 by Chris RalphFrom time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Arizona 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.
I get a number of questions from people about testing and treating hard rock ores. The simplest way, but also an expensive one, is to just have an assay test done by an independent assay firm. As an alternative...
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!
Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.
The Bawl Mill • Ask the Experts: gold per ton; improving assay method • Bering Sea Gold—Part II • Tucson Show Marketing • Ganes Creek Hits 10 Years—Part I • Fabulous Florence—The Golden Town of Idaho • Arizona's Vulture Gold Mine and Lost Dutchman • Replacing Your 12-Volt Pump • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices