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History & Geology

"Gold Rush: Alaska" in the Porcupine Mining District

Honestly, I don’t believe it is likely there would be a glory hole where they described one at the bottom of the waterfall because plunging water with enough energy to scour out a large hole in bedrock would have the scouring ability to grind up and...

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Kennecott Copper Mine, Kennecott, Alaska


For approximately 30 years, the mines produced good ore, some so rich it was simply sent straight to bagging, bypassing milling and loaded directly on the rail cars.

The Many Facets of Iron


I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.

All About Quartz—Part I


One of the first minerals most prospectors learn to recognize is quartz, because, in the right circumstances, it can be an excellent indicator mineral for prospectors. Quartz is common, easy to identify, and is often associated with gold and other valuable metal deposits.

Can You Recognize Valuable Ores?


The process of recognizing ores all starts with being able to recognize some basic minerals and knowing what hard rock ore looks like in the districts where you prospect.

Mineral Deposit Trends: Real and Imaginary


One of the most important things prospectors do is work to figure out where to go prospecting. Along with understanding the basic geology and putting yourself in a favorable area, one of the things a prospector might consider in finding a location to search is the existence of mining belts also known as mineral deposit trends.

All About Minerals


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.

The Geology of Diamond Deposits


New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.

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