The Oligocene volcanic center at Eureka, Nevada

Journal of Research of the U.S. Geological Survey
By: , and 

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Abstract

A volcanic center covering an area of about 80 km2 near Eureka, Nev., and active in the early Oligocene, is characterized by rhyolitic, rhyodacitic. and andesitic pyroclastic rocks, lava flows, and shallow intrusive bodies. These rocks were emplaced as intertonguing and interpenetrative units during a 5-m.y. interval; most of the volcanism was in the last 3 million years of this period (36 to 33 m.y. ago).

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title The Oligocene volcanic center at Eureka, Nevada
Series title Journal of Research of the U.S. Geological Survey
Volume 3
Issue 5
Year Published 1975
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 8 p.
First page 605
Last page 612
Country United States
State Nevada
City Eureka
Online Only (Y/N) N
Additional Online Files (Y/N) N
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