Paleomagnetic results from the Shasta Bally Plutonic Belt in the Klamath Mountains Province, northern California
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Abstract
Available paleomagnetic data show approximately 100° of clockwise rotation for Permian and Triassic strata of the Eastern Klamath terrane. Jurassic strata of this terrane are rotated approximately 60° clockwise, which is comparable to rotations reported for Jurassic plutons that occur elsewhere in the Klamath Mountains province. Paleomagnetic data obtained during the present study from the Shasta Bally belt of Cretaceous plutons indicate 25.7° ± 13.6° of clockwise rotation for the province since Early Cretaceous time (≃ 136 Ma). The waning stages of rotation at the time of emplacement of the Shasta Bally belt plutons, which was closely followed by deposition of basal strata (Lower Cretaceous) of the Great Valley sequence, probably represents completion of accretion of the province to cratonic North America.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Paleomagnetic results from the Shasta Bally Plutonic Belt in the Klamath Mountains Province, northern California |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/GL015i001p00056 |
| Volume | 15 |
| Issue | 1 |
| Year Published | 1988 |
| Language | English |
| Publisher | AGU |
| Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center |
| Description | 4 p. |
| First page | 56 |
| Last page | 59 |
| Country | United States |
| State | California |
| Other Geospatial | Klamath Mountains Province |
| Google Analytic Metrics | Metrics page |