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Porosity reduction and crustal pore pressure development
Abstract
The influence of porosity reduction processes on the hydrologic characteristics of the earth's crust is examined. We present a simple mathematical model that shows the effect of porosity reduction on pore pressure development in the crust. Pore pressure in excess of hydrostatic can be generated if porosity reduction rates are sufficiently high. Elevated pore pressure could in turn affect properties such as strength and seismic reflectivity. Indirect evidence from laboratory, theoretical, and field studies indicates that porosity reduction processes are active, or very likely to be so, in large portions of the crust. Porosity, permeability, and pore pressure in the earth's crust may well be time‐dependent, even in regions not subjected to large deviatoric stresses.
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Cited by
Strength of the lithosphere: Constraints imposed by laboratory experiments
Kohlstedt, D. L., Evans, B., & Mackwell, S. J. (1995) · Journal of Geophysical Research: Solid Earth · doi:10.1029/95jb01460 · Cited by 1,603
Laubach, S. E., Lander, R. H., Criscenti, L. J., Anovitz, L. M., Urai, J. L., Pollyea, R. M., Hooker, J. N., Narr, W., Evans, M. A., Kerisit, S. N., et al. (2019) · Reviews of Geophysics · doi:10.1029/2019rg000671 · Cited by 349
Permeability prediction based on fractal pore-space geometry
Pape, H., Clauser, C., & Iffland, J. (1999) · Geophysics · doi:10.1190/1.1444649 · Cited by 334
Metadata
- Authors
- Walder, J., & Nur, A.
- Venue
- Journal of Geophysical Research: Solid Earth
- Publisher
- American Geophysical Union (AGU)
- Published
- 1984-12-10
- Volume
- 89
- Issue
- B13
- Pages
- 11539-11548
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2010975107
- Cited by
- 259
- References
- 0
- FWCI
- 3.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Porosity reduction and crustal pore pressure development. https://app.cochat.ai/papers/10.1029/jb089ib13p11539
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- Walder, J., & Nur, A. (1984). Porosity reduction and crustal pore pressure development. Journal of Geophysical Research: Solid Earth. https://doi.org/10.1029/jb089ib13p11539
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
