Paleomagnetic constraints on the geometry and timing of deformation at Yucca Mountain, Nevada
Journal of Geophysical Research
By: J. G. Rosenbaum, M. R. Hudson, and R. B. Scott
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Abstract
Paleomagnetic data from Miocene ash flow sheets indicate that southern Yucca Mountain has undergone about 30?? of clockwise vertical-axis rotation since emplacement of the Tiva Canyon Member of the Paintbrush Tuff at about 13 Ma. Declinations of remanent magnetization from 32 sites in the reversely magnetized Tiva Canyon member display a systematic southward increase over the 25 km north-south extent of Yucca Mountain. Analysis of tilt-corrected directions of remanent magnetization from the Tiva Canyon sites indicates that structural attitudes determined from outcrop patterns on geologic maps are generally more accurate than field measurements of attitudes of compaction foliation or contacts. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Paleomagnetic constraints on the geometry and timing of deformation at Yucca Mountain, Nevada |
| Series title | Journal of Geophysical Research |
| Volume | 96 |
| Issue | B2 |
| Year Published | 1991 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geophysical Research |
| First page | 1963 |
| Last page | 1979 |
| Google Analytic Metrics | Metrics page |