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Middle Miocene hiatus in volcanic activity in the Great Basin area of the Western United States

Earth and Planetary Science Letters

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, , and

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Abstract

A summary of potassium-argon dates shows that a high level of igneous activity in the Great Basin and adjacent regions during middle Tertiary time (40 to 20 my ago) was followed by a period of relative quiescence in middle Miocene time that lasted for several million years (from 20 to 17 my ago). Volcanism resumed 16 my ago mainly at the margins of the region and has continued to the present. ?? 1970.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Middle Miocene hiatus in volcanic activity in the Great Basin area of the Western United States
Series title:
Earth and Planetary Science Letters
Volume
8
Issue:
2
Year Published:
1970
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Earth and Planetary Science Letters
First page:
93
Last page:
96