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History & Geology

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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Silver Peak, Nevada: A Little of Everything


Silver Peak is a small mining community in Esmeralda County in west-central Nevada, about 30 miles west of Goldfield. Although it’s fairly remote, it’s been an important mining center since the early days.

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Gold Refining In The Ancient World


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How Rich Must My Ore Be?


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Prospecting for Diamonds in Kimberlite


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Gold in Quartz


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