https://www.usgs.gov/publications/revised-paleomagnetic-pole-sonoma-volcanics-california
Revised paleomagnetic pole for the Sonoma Volcanics, California | U.S. Geological Survey
Paleomagnetic sampling of the Miocene and Pliocene Sonoma Volcanics, northern California, was undertaken to supplement an earlier collection. Data from 25...
paleomagnetic polefor thesonoma volcanics