A study of the depth of weathering and its relationship to the mechanical properties of near-surface rocks in the Mojave Desert
Pure and Applied Geophysics PAGEOPH
By: D.J. Stierman and J. H. Healy
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Abstract
Weathered granite extends 70 m deep at Hi Vista in the arid central Mojave Desert of southern California. The low strength of this granite is due to the alteration of biotite and chlorite montmorillonite. Deep weathering probably occurs in most granites, although we cannot rule out some anomalous mechanisms at Hi Vista. Geophysical instruments set in these slightly altered rocks are limited by the unstable behavior of the rocks. Thus, tectonic signals from instruments placed in shallow boreholes give vague results. Geophysical measurements of these weathered rocks resemble measurements of granitic rocks near major faults. The rheology of the rocks in which instruments are placed limits the useful sensitivity of the instruments. ?? 1985 Birkha??user Verlag.
Suggested Citation
Stierman, D., Healy, J.H., 1985, A study of the depth of weathering and its relationship to the mechanical properties of near-surface rocks in the Mojave Desert: Pure and Applied Geophysics PAGEOPH, v. 122, no. 2-4, p. 425-439, https://doi.org/10.1007/BF00874609.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A study of the depth of weathering and its relationship to the mechanical properties of near-surface rocks in the Mojave Desert |
| Series title | Pure and Applied Geophysics PAGEOPH |
| DOI | 10.1007/BF00874609 |
| Volume | 122 |
| Issue | 2-4 |
| Year Published | 1985 |
| Language | English |
| Publisher location | Birkha??user-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Pure and Applied Geophysics PAGEOPH |
| First page | 425 |
| Last page | 439 |