Small Mining Operations
The Basics of Froth Flotation
June 2015 by Chris Ralph

Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Gold in Tertiary Gravels

Moore Creek, Alaska—Then and Now

Gold Deposits of Montana
Historically, Montana has been an important gold producer, in terms of both lodes and placers, and it still produces gold for the prospector today.
Gold in Guyana—Part I: Porknocking on the Puruni River Road

Mining Pegmatite Deposits
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.
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