Strategic Metals—Part II
December 2013 by Bill RichThere are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.
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.
I get a lot of questions from prospectors about garnets, their value and what they tell us about the geology of some types of mineral deposits. So I thought it would be a good idea to take a closer look at the lowly garnet and learn a bit more about it.
Q: Is there a correlation between fault zones and mineralization of economic metals?
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
From 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.
Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.
The Bawl Mill • Ask the Experts • Ask the Experts • Ask the Experts • Sierra County Gold—Part I • ICMJ's Annual Index • Ophir—Possibly the Best Kept Secret in Alaska—Part II • Hunting for Hardrock: The Basics • Gold in the San Francisco District Oatman, Mohave County, Arizona • Heavy Glacial Rocks and Gold in the Midwest • The Amazing Mineral Tourmaline • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices