dor_id: 4132498

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336.#.#.a: Artículo

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351.#.#.b: Geofísica Internacional

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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1202/1140

100.1.#.a: Mora Alvárez, G.; Caballero Miranda, C.; Urrutia Fucugauchi, J.; Uchiumi, Sh.

524.#.#.a: Mora Alvárez, G., et al. (1991). Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study. Geofísica Internacional; Vol. 30 Núm. 2: Abril 1, 1991; 61-70. Recuperado de https://repositorio.unam.mx/contenidos/4132498

245.1.0.a: Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1991

264.#.1.c: 1991-04-01

653.#.#.a: Edades K-Ar; Paleomagnetismo; Cuenca de Mexico; Sierra de las Cruces; Estratigrafía volcánica; K-Ar age; Palaeomagnetic dating; Basin of Mexico; Sierra de las Cruces; Volcanic stratigraphy; Migration of volcanic activity; Mexican Volcanic Belt

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520.3.#.a: K-Ar dates and palaeomagnetic data are reported for a suite of volcanic rocks from Sierra de Las Cruces, Basin of Mexico. The NNW -SSE volcanic range is predominantly built of dacitic lavas, pyroclastic units and lahars and constitutes the western limit of the basin. This preliminary study was designed to investigate the volcanic stratigraphy of the Sierra and to document an apparent spatial migration of volcanic activity along the range. The sampling profile followed the trend of the Sierra. The five units selected for the study comprised four andesitic flows and a basaltic flow. Results are summarized below in terms of K-Ar dates and magnetic polarity chrons: Unit, Date (Ma), Polarity, Polarity Chron: Ajusco, O.39±O.l6, Normal, Brunhes; Ajusco, Intermediate (R), Brunhes; M. Contreras, l.92±O.13, Reverse, Matuyama; D. Leones, l.79±O.1O, Intermediate (N), Matuyama; Huixquilucan, 2.76±O.l9, Normal, Gauss; Peñas Cuatas, 2.87±O.15. Results document an apparent southward migration of volcanic activity and suggest an age range of Pliocene to Plcistocene for the formation of the Sierra de las Cruces. This spatial-temporal migration correlates with apparently similar trends of volcanic activity in the Trans-Mexican volcanic belt. Further studies are required to establish any regional characteristics and implications.doi: https://doi.org/10.22201/igeof.00167169p.1991.30.2.1134

773.1.#.t: Geofísica Internacional; Vol. 30 Núm. 2: Abril 1, 1991; 61-70

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

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300.#.#.a: Páginas: 61-70

264.#.1.b: Instituto de Geofísica, UNAM

doi: https://doi.org/10.22201/igeof.00167169p.1991.30.2.1134

handle: 3680a13800a7957e

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245.1.0.b: Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study

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Artículo

Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study

Mora Alvárez, G.; Caballero Miranda, C.; Urrutia Fucugauchi, J.; Uchiumi, Sh.

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

Mora Alvárez, G., et al. (1991). Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study. Geofísica Internacional; Vol. 30 Núm. 2: Abril 1, 1991; 61-70. Recuperado de https://repositorio.unam.mx/contenidos/4132498

Descripción del recurso

Autor(es)
Mora Alvárez, G.; Caballero Miranda, C.; Urrutia Fucugauchi, J.; Uchiumi, Sh.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Southward migration of volcanic activity in the Sierra de Las Cruces, basin of Mexico? - A preliminary K -Ar dating and palaeomagnetic study
Fecha
1991-04-01
Resumen
K-Ar dates and palaeomagnetic data are reported for a suite of volcanic rocks from Sierra de Las Cruces, Basin of Mexico. The NNW -SSE volcanic range is predominantly built of dacitic lavas, pyroclastic units and lahars and constitutes the western limit of the basin. This preliminary study was designed to investigate the volcanic stratigraphy of the Sierra and to document an apparent spatial migration of volcanic activity along the range. The sampling profile followed the trend of the Sierra. The five units selected for the study comprised four andesitic flows and a basaltic flow. Results are summarized below in terms of K-Ar dates and magnetic polarity chrons: Unit, Date (Ma), Polarity, Polarity Chron: Ajusco, O.39±O.l6, Normal, Brunhes; Ajusco, Intermediate (R), Brunhes; M. Contreras, l.92±O.13, Reverse, Matuyama; D. Leones, l.79±O.1O, Intermediate (N), Matuyama; Huixquilucan, 2.76±O.l9, Normal, Gauss; Peñas Cuatas, 2.87±O.15. Results document an apparent southward migration of volcanic activity and suggest an age range of Pliocene to Plcistocene for the formation of the Sierra de las Cruces. This spatial-temporal migration correlates with apparently similar trends of volcanic activity in the Trans-Mexican volcanic belt. Further studies are required to establish any regional characteristics and implications.doi: https://doi.org/10.22201/igeof.00167169p.1991.30.2.1134
Tema
Edades K-Ar; Paleomagnetismo; Cuenca de Mexico; Sierra de las Cruces; Estratigrafía volcánica; K-Ar age; Palaeomagnetic dating; Basin of Mexico; Sierra de las Cruces; Volcanic stratigraphy; Migration of volcanic activity; Mexican Volcanic Belt
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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