dor_id: 4133500

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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

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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/307/293

100.1.#.a: Maciel Peña, R.; Goguitchaichvili, A.; Garduño-monroy, V. H.; Ruiz Martinez, V. C.; Aguilar-reyes, B.; Morales, J.; Alva-valdivia, L.; Caballero Miranda, C.; Urrutia-fucugauchi, J.

524.#.#.a: Maciel Peña, R., et al. (2009). Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico. Geofísica Internacional; Vol. 48 Núm. 4: Octubre 1, 2009; 375-384 . Recuperado de https://repositorio.unam.mx/contenidos/4133500

245.1.0.a: Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2009

264.#.1.c: 2009-10-01

653.#.#.a: Paleosecular variation; time averaged field; Brunhes chron; Trans–Mexican Volcanic Belt; Paleomagnetismo; variación paleosecular; promedio de tiempo de campo; epoca Brunhes; Cinturón Volcánico Trans–Mexicano

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/307

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/307

041.#.7.h: spa

520.3.#.a: This study presents paleomagnetic results from Tancitaro volcanism in the Michoacan Guanajuato Volcanic Field, western Mexico, as a contribution to the time averaged field global database. Detailed paleomagnetic and rock–magnetic studies were carried out on eleven independent lava flows; 120 oriented, standard paleomagnetic cores were collected from Tancitaro volcano and surrounding areas. All sites were dated by means of 40Ar–39Ar (Ownby et al., 2007) as originating from 793 ka to present. Rock–magnetic experiments included continuous susceptibility and hysteresis measurements. Remanence is carried mostly by Ti–poor titanomagnetite of pseudo–single–domain magnetic structure. Eight out of eleven flows yield normal magnetic polarities while three sites yielded inconsistent paleodirections most probably due to lightning. Mean paleodirection from eight flows is Inc=39.5°, Dec=356.4°, k=29, αc95=9.1° which corresponds to a pole position with Plat=84.4°, Plong=219.9°, K=33 and A95=8.5°, practically undistinguishable from expected Plio–Quaternary paleodirections, for the North American Craton. Paleosecular variation is compatible with other studies at the same latitude bands and with recent statistical models. The mean inclination falls within the uncertainties of the Geomagnetic Axial Dipole plus 5% quadrupolar contributions.doi: https://doi.org/10.22201/igf.00167169p.2009.4.16  

773.1.#.t: Geofísica Internacional; Vol. 48 Núm. 4: Octubre 1, 2009; 375-384

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: 375-384

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

doi: https://doi.org/10.22201/igf.00167169p.2009.4.16

handle: 00d45393d8f12c55

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

856.#.0.q: application/pdf

file_creation_date: 2009-09-21 17:00:30.0

file_modification_date: 2022-05-30 15:12:09.0

file_creator: Maciel Peña R.

file_name: 74d93c51e7c56b694812b82e9ae5e49c926e27fcab6134e596cba1fe2e0169ec.pdf

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245.1.0.b: Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico

last_modified: 2023-06-20 16:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

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Artículo

Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico

Maciel Peña, R.; Goguitchaichvili, A.; Garduño-monroy, V. H.; Ruiz Martinez, V. C.; Aguilar-reyes, B.; Morales, J.; Alva-valdivia, L.; Caballero Miranda, C.; Urrutia-fucugauchi, J.

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

Maciel Peña, R., et al. (2009). Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico. Geofísica Internacional; Vol. 48 Núm. 4: Octubre 1, 2009; 375-384 . Recuperado de https://repositorio.unam.mx/contenidos/4133500

Descripción del recurso

Autor(es)
Maciel Peña, R.; Goguitchaichvili, A.; Garduño-monroy, V. H.; Ruiz Martinez, V. C.; Aguilar-reyes, B.; Morales, J.; Alva-valdivia, L.; Caballero Miranda, C.; Urrutia-fucugauchi, J.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Paleomagnetic and rock-magnetic survey of Brunhes lava flows from Tancitaro volcano, Mexico
Fecha
2009-10-01
Resumen
This study presents paleomagnetic results from Tancitaro volcanism in the Michoacan Guanajuato Volcanic Field, western Mexico, as a contribution to the time averaged field global database. Detailed paleomagnetic and rock–magnetic studies were carried out on eleven independent lava flows; 120 oriented, standard paleomagnetic cores were collected from Tancitaro volcano and surrounding areas. All sites were dated by means of 40Ar–39Ar (Ownby et al., 2007) as originating from 793 ka to present. Rock–magnetic experiments included continuous susceptibility and hysteresis measurements. Remanence is carried mostly by Ti–poor titanomagnetite of pseudo–single–domain magnetic structure. Eight out of eleven flows yield normal magnetic polarities while three sites yielded inconsistent paleodirections most probably due to lightning. Mean paleodirection from eight flows is Inc=39.5°, Dec=356.4°, k=29, αc95=9.1° which corresponds to a pole position with Plat=84.4°, Plong=219.9°, K=33 and A95=8.5°, practically undistinguishable from expected Plio–Quaternary paleodirections, for the North American Craton. Paleosecular variation is compatible with other studies at the same latitude bands and with recent statistical models. The mean inclination falls within the uncertainties of the Geomagnetic Axial Dipole plus 5% quadrupolar contributions.doi: https://doi.org/10.22201/igf.00167169p.2009.4.16  
Tema
Paleosecular variation; time averaged field; Brunhes chron; Trans–Mexican Volcanic Belt; Paleomagnetismo; variación paleosecular; promedio de tiempo de campo; epoca Brunhes; Cinturón Volcánico Trans–Mexicano
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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