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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/1418/1521

100.1.#.a: Cohen, K. K.; Anderson, T. H.; Schmidt, V. A.

524.#.#.a: Cohen, K. K., et al. (1981). Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México. Geofísica Internacional; Vol. 20 Núm. 3: Julio 1, 1981; 219-233. Recuperado de https://repositorio.unam.mx/contenidos/4132804

245.1.0.a: Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1981

264.#.1.c: 1981-07-01

653.#.#.a: Paleomagnetismo; Tectónica; Mesozoico; Fm Antimonio; Sonora; México; Paleomagnetism; Tectonics; Mesozoic; Fm Antimonio; Sonora; Mexico

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520.3.#.a: Preliminary results from a paleomagnetic investigation of Upper Triassic-Lower Jurassic miogeosynclinal strata (Antimonio Formation) located in northwest Sonora, Mexico yield a paleomagnetic pole position at 74.8°N y 106.2°E (I =33.8°, D = 350.0, α95 = 12.1°, k = 104.4, dp =7.89 y dm = 11.68). This pole position agrees well with a pole determined from an earlier study of the Upper Triassic-Lower Jurassic Nazas Formation (Nairn, 1976) of north-central Mexico. The relative position of northern Mexico and North America prior to and during the breakup of Pangaea have been speculated on by many previous workers. Our data in combination with those of Nairn (1976) suggest that if differential movement of northern Mexico relative to North America has occurred since the early Mesozoic, displacement of a segment of the northern Mexico apparent polar wandering path is of a small order and in a counterclockwise direction with respect to the North American apparent polar wandering path. The motion of the northern Mexico tectonic block relative to cratonic North America is limited to, at most, several hundreds of kilometers displacement which must be of a sinistral sense.doi: https://doi.org/10.22201/igeof.00167169p.1981.20.3.1087

773.1.#.t: Geofísica Internacional; Vol. 20 Núm. 3: Julio 1, 1981; 219-233

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doi: https://doi.org/10.22201/igeof.00167169p.1981.20.3.1087

handle: 422152cc82016e6e

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

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file_creator: K. K.Cohen

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245.1.0.b: Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México

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Artículo

Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México

Cohen, K. K.; Anderson, T. H.; Schmidt, V. A.

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

Cohen, K. K., et al. (1981). Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México. Geofísica Internacional; Vol. 20 Núm. 3: Julio 1, 1981; 219-233. Recuperado de https://repositorio.unam.mx/contenidos/4132804

Descripción del recurso

Autor(es)
Cohen, K. K.; Anderson, T. H.; Schmidt, V. A.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Preliminary results: paleomagnetism of mesozoic units from northwest Sonora and their tectonic implication for northern México
Fecha
1981-07-01
Resumen
Preliminary results from a paleomagnetic investigation of Upper Triassic-Lower Jurassic miogeosynclinal strata (Antimonio Formation) located in northwest Sonora, Mexico yield a paleomagnetic pole position at 74.8°N y 106.2°E (I =33.8°, D = 350.0, α95 = 12.1°, k = 104.4, dp =7.89 y dm = 11.68). This pole position agrees well with a pole determined from an earlier study of the Upper Triassic-Lower Jurassic Nazas Formation (Nairn, 1976) of north-central Mexico. The relative position of northern Mexico and North America prior to and during the breakup of Pangaea have been speculated on by many previous workers. Our data in combination with those of Nairn (1976) suggest that if differential movement of northern Mexico relative to North America has occurred since the early Mesozoic, displacement of a segment of the northern Mexico apparent polar wandering path is of a small order and in a counterclockwise direction with respect to the North American apparent polar wandering path. The motion of the northern Mexico tectonic block relative to cratonic North America is limited to, at most, several hundreds of kilometers displacement which must be of a sinistral sense.doi: https://doi.org/10.22201/igeof.00167169p.1981.20.3.1087
Tema
Paleomagnetismo; Tectónica; Mesozoico; Fm Antimonio; Sonora; México; Paleomagnetism; Tectonics; Mesozoic; Fm Antimonio; Sonora; Mexico
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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