dor_id: 4133410

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: http://revistagi.geofisica.unam.mx/index.php/RGI

351.#.#.b: Geofísica Internacional

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/690/1238

100.1.#.a: Urrutia-fucugauchi, Jaime

524.#.#.a: Urrutia-fucugauchi, Jaime (1995). Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico. Geofísica Internacional; Vol. 34 Núm. 3: Julio 1, 1995; 253-262. Recuperado de https://repositorio.unam.mx/contenidos/4133410

245.1.0.a: Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1995

264.#.1.c: 1995-07-01

653.#.#.a: Paleomagnetismo; variación secular; estratigrafía volcánica; Cron Brunhes; volcán Iztaccíhuatl; cuenca de México; Paleomagnetism; geomagnetic secular variation; volcanic stratigraphy; Brunhes Chron; Iztaccihuatl volcano; basin of Mexico

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico revistagi@igeofisica.unam.mx

884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/690

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/690

041.#.7.h: spa

520.3.#.a: The upper Iztaccihuatl stratovolcano formed during the Brunhes chron, which is supported by the normal polarity and the overall mean paleomagnetic pole (Steele, 1985). The period involved is probably long, in the range suggested by K-Ar dating studies (Nixon et al., .1986) of 580 000 to 76 000 years ago. Apparent discrepancy irt paleosecular variation estimates for the Basin of Mexico reported by Steele (1985) and Bohnel et al. (1990) depends on the methods and assumptions made concerning the statistical characteristics of the virtual geomagnetic pole (VGP) data populations. The mean pole is 88.1 °N, 34.0°E (B = 21, K = 88, A95 = 3.4). The overall VGP population distribution is elongated and non-Fisherian. The VGP dispersion is affected by sources other than those of secular variation and may include undetected local! tectonic effects or excursions/events of the geomagnetic field. The best estimate SF is 7.4 °, some 7° smaller than that derived from latitude-dependent paleosecular variation models, but similar to values for the Hawaii, Pagan and Marianas islands and to a previous study in the Basin of Mexico. The region of central Mexico may form part of the central Pacific Brunhes low non-dipole region.

773.1.#.t: Geofísica Internacional; Vol. 34 Núm. 3: Julio 1, 1995; 253-262

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

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

310.#.#.a: Trimestral

300.#.#.a: Páginas: 253-262

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

doi: https://doi.org/10.22201/igeof.00167169p.1995.34.3.690

handle: 00a4bd68c16205c5

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

856.#.0.q: application/pdf

file_creation_date: 2022-07-07 11:35:32.0

file_modification_date: 2022-07-13 19:02:04.0

file_creator: Jaime Urrutia-Fucugauchi

file_name: a04b9bf37dd2f1efbc16213a61d17fdf919e015c5affa310263aa027ffd89035.pdf

file_pages_number: 10

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245.1.0.b: Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico

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Artículo

Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico

Urrutia-fucugauchi, Jaime

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

Urrutia-fucugauchi, Jaime (1995). Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico. Geofísica Internacional; Vol. 34 Núm. 3: Julio 1, 1995; 253-262. Recuperado de https://repositorio.unam.mx/contenidos/4133410

Descripción del recurso

Autor(es)
Urrutia-fucugauchi, Jaime
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Constraints on Brunhes low-latitude paleosecular variation Iztaccihuatl stratovolcano, basin of Mexico
Fecha
1995-07-01
Resumen
The upper Iztaccihuatl stratovolcano formed during the Brunhes chron, which is supported by the normal polarity and the overall mean paleomagnetic pole (Steele, 1985). The period involved is probably long, in the range suggested by K-Ar dating studies (Nixon et al., .1986) of 580 000 to 76 000 years ago. Apparent discrepancy irt paleosecular variation estimates for the Basin of Mexico reported by Steele (1985) and Bohnel et al. (1990) depends on the methods and assumptions made concerning the statistical characteristics of the virtual geomagnetic pole (VGP) data populations. The mean pole is 88.1 °N, 34.0°E (B = 21, K = 88, A95 = 3.4). The overall VGP population distribution is elongated and non-Fisherian. The VGP dispersion is affected by sources other than those of secular variation and may include undetected local! tectonic effects or excursions/events of the geomagnetic field. The best estimate SF is 7.4 °, some 7° smaller than that derived from latitude-dependent paleosecular variation models, but similar to values for the Hawaii, Pagan and Marianas islands and to a previous study in the Basin of Mexico. The region of central Mexico may form part of the central Pacific Brunhes low non-dipole region.
Tema
Paleomagnetismo; variación secular; estratigrafía volcánica; Cron Brunhes; volcán Iztaccíhuatl; cuenca de México; Paleomagnetism; geomagnetic secular variation; volcanic stratigraphy; Brunhes Chron; Iztaccihuatl volcano; basin of Mexico
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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