Radiometric and paleomagnetic evidence for the Emperor reversed polarity event at 0.46 ± 0.05 M.Y. in basalt lava flows from the eastern Snake River Plain, Idaho
Geophysical Research Letters
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Abstract
K-Ar and paleomagnetic data from cores through a sequence of basalt flows in the eastern Snake River Plain provide evidence for a brief (0.005 to 0.01 m.y.) reversal of the geomagnetic field 0.46 ± 0.05 m.y. ago. This reversed polarity event has also been found in sea-floor magnetic anomalies and in sediment cores and is probably the Emperor event of Ryan [1972].
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Radiometric and paleomagnetic evidence for the Emperor reversed polarity event at 0.46 ± 0.05 M.Y. in basalt lava flows from the eastern Snake River Plain, Idaho |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/GL008i010p01055 |
| Volume | 8 |
| Issue | 10 |
| Publication Date | December 07, 2012 |
| Year Published | 1981 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 4 p. |
| First page | 1055 |
| Last page | 1058 |
| Country | United States |
| State | Idaho, Oregon |
| Other Geospatial | Snake River Plain |