Colorado Uranium Mining in the 1950s Boom

March 2021 by John Norman

You can learn a lot from a small mining operation because you have to become proficient in every job. Soon I was preparing fuses, placing powder (dynamite) and learning the ins and outs of drilling and blasting.

Mining Pegmatite Deposits

July 2018

With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.

Detecting for Gold in Australia—The Kimberley Trip

December 2010
The hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.

Strategic Metals—Part II

December 2013
There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.

ICMJ Visits Colfax, California

February 2023

The Giant King Mine

July 2014
Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

The Significance of Nuggets in Placers

January 2016
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.

All About Minerals

November 2015
There are several common ways that new mineral crystals form and grow. Perhaps the simplest is when minerals form through the cooling of molten rock and the atoms bond together into mineral crystals.

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