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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/176/163

100.1.#.a: Nencetti, A.; Tassi, F.; Vaselli, O.; Macías, J.L.; Magro, G.; Capaccioni, B.; Minissale, A.; Mora, J.C.

524.#.#.a: Nencetti, A., et al. (2005). Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico. Geofísica Internacional; Vol. 44 Núm. 1: Enero 1, 2005; 39-48. Recuperado de https://repositorio.unam.mx/contenidos/4132415

245.1.0.a: Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2005

264.#.1.c: 2005-01-01

653.#.#.a: Isótopos; química de manantiales; Chiapas; México; Isotopes; chemistry; thermal springs; water; Chiapas; Mexico

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041.#.7.h: spa

520.3.#.a: Thermal water and gas discharges south-east of El Chichón volcano, Mexico are associated mainly with NW-SE oriented fault systems. Spring discharges include i) waters with Na-Cl composition and TDS>3000 mg/L; ii) waters with Ca- composition and TDS values between 1400 and 2300 mg/L; iii) waters with Na-Cl composition and TDS of 800 to 2400 mg/L and sulphate content up to 650 mg/L and iv) waters with Ca- composition and low salinity (TDS <250mg/L). Most of these waters are associated with free-gas discharges of  (up to 93 % by vol.),  (2.4 to 31.2 % by vol.) and Ar (up to 1.25 % by vol.) with a predominant meteoric origin. S is present only in gas samples collected at El Azufre (up to 1.1 % by vol.). The δ13C  values are always below -9.7% (PDB) and suggest a partially biogenic origin for . Chemical and isotopic features of spring discharges indicate that fluid circulation in the Sierra de Chiapas is mainly regulated by meteoric waters that tend to infiltrate the upper and middle-Cretaceous carbonate units up to the lower Cretaceous-upper Jurassic evaporitic formations (by López-Ramos, 1982). The latter provide the main source of the species in solution. No evidence for high-to-medium enthalpy systems at depth beneath the Sierra de Chiapas has been found.doi: https://doi.org/10.22201/igeof.00167169p.2005.44.1.551

773.1.#.t: Geofísica Internacional; Vol. 44 Núm. 1: Enero 1, 2005; 39-48

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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300.#.#.a: Páginas: 39-48

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doi: https://doi.org/10.22201/igeof.00167169p.2005.44.1.551

handle: 0f329453d9e9f47d

harvesting_date: 2023-06-20 16:00:00.0

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file_creator: Nencetti A.

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245.1.0.b: Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico

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Artículo

Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico

Nencetti, A.; Tassi, F.; Vaselli, O.; Macías, J.L.; Magro, G.; Capaccioni, B.; Minissale, A.; Mora, J.C.

Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Geofísica, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Nencetti, A., et al. (2005). Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico. Geofísica Internacional; Vol. 44 Núm. 1: Enero 1, 2005; 39-48. Recuperado de https://repositorio.unam.mx/contenidos/4132415

Descripción del recurso

Autor(es)
Nencetti, A.; Tassi, F.; Vaselli, O.; Macías, J.L.; Magro, G.; Capaccioni, B.; Minissale, A.; Mora, J.C.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Chemical and isotopic study of thermal springs and gas discharges from Sierra de Chiapas, Mexico
Fecha
2005-01-01
Resumen
Thermal water and gas discharges south-east of El Chichón volcano, Mexico are associated mainly with NW-SE oriented fault systems. Spring discharges include i) waters with Na-Cl composition and TDS>3000 mg/L; ii) waters with Ca- composition and TDS values between 1400 and 2300 mg/L; iii) waters with Na-Cl composition and TDS of 800 to 2400 mg/L and sulphate content up to 650 mg/L and iv) waters with Ca- composition and low salinity (TDS <250mg/L). Most of these waters are associated with free-gas discharges of  (up to 93 % by vol.),  (2.4 to 31.2 % by vol.) and Ar (up to 1.25 % by vol.) with a predominant meteoric origin. S is present only in gas samples collected at El Azufre (up to 1.1 % by vol.). The δ13C  values are always below -9.7% (PDB) and suggest a partially biogenic origin for . Chemical and isotopic features of spring discharges indicate that fluid circulation in the Sierra de Chiapas is mainly regulated by meteoric waters that tend to infiltrate the upper and middle-Cretaceous carbonate units up to the lower Cretaceous-upper Jurassic evaporitic formations (by López-Ramos, 1982). The latter provide the main source of the species in solution. No evidence for high-to-medium enthalpy systems at depth beneath the Sierra de Chiapas has been found.doi: https://doi.org/10.22201/igeof.00167169p.2005.44.1.551
Tema
Isótopos; química de manantiales; Chiapas; México; Isotopes; chemistry; thermal springs; water; Chiapas; Mexico
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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