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Displaying 11 - 12 of a total of 12 items
May 19, 2017
Geologic maps have provided the key to finding new gold deposits in Nevada.
Defining the Problem
The western states contain many gold deposits (Fig. 1), and a zone of faulted sedimentary and igneous rocks in northeastern Nevada, known as the “Carlin” trend, is the most productive region in the...
March 31, 2017
More than just volcanic eruptions
Volcanic eruptions are a serious hazard. But at many stratovolcanoes in Washington, Oregon, Northern California, and Alaska, landslides and debris flows can be just as dangerous. Some of these - especially volcanic mudflows (lahars) - are directly triggered by...
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