History & Geology
Ask The Experts
March 2015 by Chris Ralph
Q: Is this gold or some other metal?Over the Divide: John A. Miscovich

Rock and Formations of the Mother Lode Gold Belt

Preserving the True History of the Ivanhoe
My partner had the contacts and it wasn’t long before we had an agreement in place and the company had a geologist on site. I recall a time when he was getting the lay of the land, so to speak, and he broke off a rock sample and inspected it with his magnifier.
Gold in Tertiary Gravels

PGMs in the United States

The Ely Copper-Gold District of Nevada

Benches and Fossil Placers
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
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