Critical Minerals: Tungsten

July 2017 by Chris Ralph

Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.

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.

Natural Gold Alloys

March 2014
Natural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.

Critical Metals: Lithium

February 2014
Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.

Round Mountain, Nevada

May 2014
There are a number of veins in the disseminated mineralization, but the principle ones on Round Mountain are known as the Los Gazabo and the Keane.

Silver and Base Metal Deposits of the Pioche District

June 2014
The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.

Undiscovered Placer Deposits in Alaska

November 2010
These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.

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