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Revised paleomagnetic pole for the Sonoma Volcanics, California

Geophysical Research Letters

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Abstract

Paleomagnetic sampling of the Miocene and Pliocene Sonoma Volcanics, northern California, was undertaken to supplement an earlier collection. Data from 25 cooling units yield positive fold and reversal tests, and a paleomagnetic pole located at 80.2??N., 069.2??E., with ??95 = 6.8??. This paleopole is significantly displaced (9.6?? ?? 5.3?? of latitude) to the farside of the geographic pole. A highly elliptical distribution of the data in both direction and VGP space indicates that incomplete averaging of geomagnetic secular variation is a more likely explanation for this anomaly than is northward translation of the volcanic field. -Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Revised paleomagnetic pole for the Sonoma Volcanics, California
Series title:
Geophysical Research Letters
Volume
16
Issue:
10
Year Published:
1989
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geophysical Research Letters
First page:
1081
Last page:
1084
Number of Pages:
4