The Rochester Mining District of Nevada

August 2017 by Chris Ralph

Only the richest ores could be worked and shipped off for processing at a profit. As a result, early mining in the southern part of the Humboldt Range was short-lived. In the 1880s, placers were discovered in Spring Valley and American Valley on the east side of the range...

The Ups and Downs of Geologic Faults

May 2011
Faults are fractures, breaks and broken zones in the Earth’s crust where one side of the break has moved relative to the other, and they come in many different varieties.

Perception of Mining vs. Reality

May 2015

Many modern mining companies have taken to making a special effort to ensure the goods and services they need are supplied as much as possible out of the local economy.

Prospecting With The Help of Fluvial Geomorphology

March 2011
Quiz yourself about the stream in figure 5. Based on your previous knowledge of where gold is found in a stream and in this article, where do you think you will find the most gold?

Montana’s Rosetta Stone: Discovering Mines In The Treasure State

May 2015
This is the intelligent way to start modern prospecting. The value of literary research yields challenging outings, specimens, history and geologic research.

Prospecting for Diamonds in Kimberlite

January 2014
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.

Gold and Rare Earth Elements in New Mexico

August 2015
We import nearly all of our REEs from China, so it’s critical that we find and continue to develop domestic resources of these elements.

Mass Wasting & Gold Deposits

February 2018

Not all of these slides and debris flows will produce results, but if you search for these while prospecting in your gold producing areas, then you can increase your odds of finding new gold.

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