Late Cretaceous paleomagnetism of the Tucson Mountains: implications for vertical axis rotations in south central Arizona
Journal of Geophysical Research
By: J. T. Hagstrum and P. W. Lipman
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Abstract
The Tucson Mountains of southern Arizona are the site of an Upper Cretaceous caldera from which the rhyolitic Cat Mountain Tuff was erupted at about 72 Ma. Two magnetic units within the Cat Mountain Tuff are distinguished by paleomagnetic data in both the northern and southern Tucson Mountains. The available paleomagnetic data indicate that rocks in southern Arizona have not remained unrotated with respect to North America since Late Cretaceous time and that vertical axis rotations may have played an important role in the region during Laramide deformation. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Late Cretaceous paleomagnetism of the Tucson Mountains: implications for vertical axis rotations in south central Arizona |
| Series title | Journal of Geophysical Research |
| Volume | 96 |
| Issue | B10 |
| Year Published | 1991 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geophysical Research |
| Google Analytic Metrics | Metrics page |