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Chemical kinetics of water‐rock interactions
Abstract
The recent literature on the kinetics of water‐rock interactions is reviewed. The data are then extended to provide a quantitative framework for the description of weathering and alteration. The available experimental data on dissolution of silicates verifies quantitatively the usual mineral stability series in sedimentary petrology. The rate of hydration of carbonic acid is shown to be a possible limiting factor in water‐rock interactions. The framework is developed to enable use of laboratory dissolution experimental results and thermodynamics to arrive at a rate law applicable up to equilibrium and therefore applicable to natural systems. The kinetic justification for the significance of a water‐rock ratio is discussed. With a proper treatment of fluid flow, the equations are applied to the weathering profile leading to the development of bauxites from nepheline syenites.
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Citations
Cited by
Palandri, J. L., & Kharaka, Y. K. (2004) · Open-File Report · doi:10.3133/ofr20041068 · Cited by 1,352
Chemical weathering rate laws and global geochemical cycles
Lasaga, A. C., Soler, J. M., Ganor, J., Burch, T. E., & Nagy, K. L. (1994) · Geochimica et Cosmochimica Acta · doi:10.1016/0016-7037(94)90016-7 · Cited by 795
Self-citationPotential for large-scale CO2 removal via enhanced rock weathering with croplands
Beerling, D. J., Kantzas, E. P., Lomas, M. R., Wade, P., Eufrasio, R. M., Renforth, P., Sarkar, B., Andrews, M. G., James, R. H., Pearce, C. R., et al. (2020) · Nature · doi:10.1038/s41586-020-2448-9 · Cited by 700
The role of organic acids in mineral weathering
Drever, J. I., & Stillings, L. L. (1997) · Colloids and Surfaces A: Physicochemical and Engineering Aspects · doi:10.1016/s0927-7757(96)03720-x · Cited by 549
Steefel, C. I., & Van Cappellen, P. (1990) · Geochimica et Cosmochimica Acta · doi:10.1016/0016-7037(90)90003-4 · Cited by 548
Metadata
- Authors
- Lasaga, A. C.
- Venue
- Journal of Geophysical Research: Solid Earth
- Publisher
- American Geophysical Union (AGU)
- Published
- 1984-06-10
- Volume
- 89
- Issue
- B6
- Pages
- 4009-4025
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2078916507
- Cited by
- 1,279
- References
- 0
- FWCI
- 15.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lasaga, A. C. (1984). Chemical kinetics of water‐rock interactions. Journal of Geophysical Research: Solid Earth. https://doi.org/10.1029/jb089ib06p04009
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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.
