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 α95 = 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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Revised paleomagnetic pole for the Sonoma Volcanics, California |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/GL016i010p01081 |
| Volume | 16 |
| Issue | 10 |
| Year Published | 1989 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 4 p. |
| First page | 1081 |
| Last page | 1084 |
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