History & Geology
Rock and Formations of the Mother Lode Gold Belt
October 2015 by Chris Ralph

All About Quartz—Part II

Green Valley Gold District, Payson, Arizona

Mineralized Faults and Contacts in the Search for Gold

It Pays to Know Your Bedrock
On our last trip, we brought ropes and went down the first waterfall forty vertical feet, only to be confronted by a second, sixty-foot-high, overhanging waterfall that emptied into a slot canyon.
Why Is The Gold On Bedrock—Or Why Is It Not?
Gold on the bedrock is a good rule of thumb, but not one that is 100 percent effective. There are plenty of exceptions. So, how does a prospector recognize those exceptions?
Why So Much Gold in Nevada?
Nevada produces about 75% of all the gold mined in the US. This means that all the other 49 states combined only produce 25%, and this includes California, Alaska and Arizona.
Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams

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