Características geoquímicas y pautas de evolución de las salmueras superficiales del Salar de Llamara, Chile
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RESUMEN En este trabajo se estudia la evolución hidroquímica de las salmueras superficiales del Salar de Llamara. El desmuestre sistemático de soluciones y sedimentos salinos ha permitido poner de manifiesto el estado continuo de saturación de las salmueras respecto a calcita y yeso. La intensa evaporación provoca la concentración progresiva de las soluciones, que llegan a alcanzar una elevada fuerza iónica (próxima a 6 molal). Se ha identificado la existencia de un proceso de precipitación de glauberita a partir del análisis mineralógico de las muestras sólidas salinas y del tratamiento fisicoquímico de las soluciones; dicho proceso tiene lugar en la etapa de mayor concentración de las salmueras y lleva asociada la disolución simultánea de parte del yeso previamente precipitado. La viabilidad termodinámica de este proceso se ha confirmado además mediante una simulación teórica del proceso de evaporación realizada con el código PHRQPITZ.
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The spatial distribution of the brine compositional features is roughly consistent with the concentric distribution of evaporites typically produced by the progressive deposition of salts having different solubility.
“Such a spatial distribution of the brine compositional features is roughly consistent with the concentric distribution of evaporites typically produced by the progressive deposition of salts having different solubility (Lopez et al., 1999;Warren, 2010).”
From Chemical and isotopic features of Li-rich brines from the Salar de Olaroz, Central Andes of NW Argentina (2020) · cites this paper as Lopez et al., 1999
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Demergasso, C. S., Casamayor, E. O., Chong, G., Galleguillos, P. A., Escudero, L. V., & Pedrós‐Alió, C. (2004) · FEMS Microbiology Ecology · doi:10.1016/j.femsec.2003.12.013 · Cited by 187 · see citing works
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Sodium sulphate deposits of Neogene age: the Kirmir Formation, Beypazari Basin, Turkey
Ortí, F., Gündogan, I., & Helvacı, C. (2002) · Sedimentary Geology · doi:10.1016/s0037-0738(01)00140-3 · Cited by 60 · see citing works
“López et al. (1999) have documented the subaqueous precipitation of small amounts of glauberite in a shallow pond of a salar in the Andean region in Chile.”
BackgroundTapetes microbianos del Salar de Llamará, norte de Chile
Demergasso, C. S., Chong, G., Galleguillos, P. A., Escudero, L. V., Martínez-Alonso, M., & Esteve, I. (2003) · Revista chilena de historia natural · doi:10.4067/s0716-078x2003000300012 · Cited by 52 · see citing works
“Location of puquios and sampling stations (modified after Lopez et al. 1999).”
BackgroundInfluentialSelf-citationChandio, T. A., Khan, M. N., Muhammad, M. T., et al. (2020) · Environmental Science and Pollution Research · doi:10.1007/s11356-020-10575-9 · Cited by 37 · see citing works
“The values of TDS and ECwere also very highwhich showed high level of cations and anions in the studied water, possibly due to the ion exchange phenomenon (Baig et al. 2009; Lopez et al. 1999).”
BackgroundReid, R. P., Oehlert, A. M., Suosaari, E. P., Demergasso, C. S., Chong, G., Escudero, L. V., Piggot, A. M., Lascu, I., & Palma, Á. T. (2021) · Scientific Reports · doi:10.1038/s41598-021-92105-2 · Cited by 30 · see citing works
Self-citationSuosaari, E. P., Lascu, I., Oehlert, A. M., et al. (2022) · Communications Earth & Environment · doi:10.1038/s43247-022-00658-5 · Cited by 23 · see citing works
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Otálora, F., Criado-Reyes, J., Baselga, M., et al. (2020) · ACS Earth and Space Chemistry · doi:10.1021/acsearthspacechem.0c00085 · Cited by 17 · see citing works
Oehlert, A. M., Suosaari, E. P., Kong, T., Piggot, A. M., Maizel, D., Lascu, I., Demergasso, C. S., Chong, G., & Reid, R. P. (2022) · The Science of The Total Environment · doi:10.1016/j.scitotenv.2022.155378 · Cited by 12 · see citing works
Self-citationWilliams, R. M. E., Irwin, R. P., Dobrea, E. Z. N., Howard, A. D., Dietrich, W. E., & Cawley, J. C. (2021) · Geomorphology · doi:10.1016/j.geomorph.2021.107925 · Cited by 10 · see citing works
Solá, P., Yacobaccio, H. D., Rosenbusch, M., et al. (2013) · Boletín del Museo Chileno de Arte Precolombino · doi:10.4067/s0718-68942013000100005 · Cited by 7 · see citing works
Hydrochemical background of the Salar de Aguas Calientes I (Chile)
Millas, I. G., & Julián, P. L. L. (2012) · Revista Facultad de Ingeniería Universidad de Antioquia · doi:10.17533/udea.redin.12463 · Cited by 2 · see citing works
Dobrea, E. Z. N., Williams, R. M. E., Dietrich, W. E., Howard, A. D., Cawley, J. C., & Irwin, R. P. (2020) · arXiv (Cornell University) · doi:10.48550/arxiv.2002.09950 · Cited by 1 · see citing works
Orellana, I., Tebes, C., Demergasso, C., et al. (2025) · Qeios · doi:10.32388/ed4eyh
- Authors
- López, P. L., Auqué, L. F., Garcés, I., & Chong, G.
- Affiliations
- Universidad de Zaragoza (ES)
- Universidad de Antofagasta (CL)
- Universidad Católica del Norte (CL)
- Venue
- Revista geológica de Chile
- Published
- 1999-07
- Volume
- 26
- Issue
- 1
- ISSN
- 0716-0208 (ISSN-L)
- OpenAlex
- W2027865636
- Cited by
- 15
- References
- 0
- Citations by year
- 2025: 1 · 2022: 2 · 2021: 2 · 2020: 4 · 2014: 1 · 2013: 1 · 2012: 1
- FWCI
- 0.59
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by-nc
- Locations
- Revista geológica de Chile (publishedVersion, cc-by-nc)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Americanae (AECID Library) (submittedVersion, other-oa)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Groundwater and Isotope Geochemistry
- Physical Sciences › Environmental Science › Water Science and Technology › Water Quality and Resources Studies
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
- Keywords
- saline lakes, water chemistry, evaporative concentration, gypsum dissolution, calcite saturation, ionic strength, brine evolution, thermodynamic modeling
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