dor_id: 4132987

506.#.#.a: Público

590.#.#.d: Los artículos enviados a la revista "Geofísica Internacional", se juzgan por medio de un proceso de revisión por pares

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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

590.#.#.c: Open Journal Systems (OJS)

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883.#.#.u: https://revistas.unam.mx/catalogo/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

883.#.#.1: https://www.publicaciones.unam.mx/

883.#.#.q: Dirección General de Publicaciones y Fomento Editorial

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

856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/472/486

100.1.#.a: Ferrari, Luca; Garduño, Víctor Hugo; Pasquarè, Giorgio; Tibaldil, Alessandro

524.#.#.a: Ferrari, Luca, et al. (1994). Volcanic and tectonic evolution of central Mexico: Oligocene to present. Geofísica Internacional; Vol. 33 Núm. 1: Enero 1, 1994; 91-105. Recuperado de https://repositorio.unam.mx/contenidos/4132987

245.1.0.a: Volcanic and tectonic evolution of central Mexico: Oligocene to present

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1994

264.#.1.c: 1994-01-01

653.#.#.a: Geocronología; edades radiométricas; estratigrafía; estructura; evolución tectónica; terrenos volcánicos; Sierra Madre Occidental; Faja Volcánica Trans-Mexicana; Geochronology; radiometric ages; stratigraphy; structure; volcanic terrains; Sierra Madre Occidental; Mexican Volcanic Belt; tectonic evolution

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/472

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/472

041.#.7.h: spa

520.3.#.a: Based on a synthesis of geochronologic, stratigraphic, and structural data of the volcanic terrains of central Mexico we reconstruct the spatial and temporal relations between the Sierra Madre Occidental (SMO) and the Mexican Volcanic Belt (MVB). An analysis of 520 radiometric ages integrated with the available geological data shows that the migration of volcanism from the NNW trending, dominantly silicic SMO arc to the roughly E-W trending intermediate to mafic MVB arc occurred gradually in response to the progressive development of the Acapulco trench in early to middle Miocene times. During most of the Oligocene the SMO arc developed in a broad NNW trending belt up to the longitude of Mexico City and as far south as the present Acapulco trench. In latest Oligocece and early Miocene times the volcanic front receded about 230 km from the trench while the rest of the arc retained the same location. This change is thought to reflect the progressive development of the present trench, at the site of the former transform boundary between the North America plate and the Chortis block. In middle Miocene times, intermediate to mafic volcanic products were emplaced along a rough E-W trending belt extending also east of Mexico City, while in late Miocene this volcanism assumed a uniform basaltic character and a widespread distribution. The overall orientation of the arc did not change since 16 Ma to the Present although a trenchward shifting of the volcanic front is observed. Based on the overall orientation of the arc and on the dominant composition of the volcanic products, we propose that the MVB began at about 16 Ma, when an intermediate to mafic volcanic arc with a rough E-W orientation start to form. The tectonic evolution of the western and central parts of the MVB is characterized by a middle Miocene phase of transcurent faulting followed by a transtensional to extensional phase between the late Miocene to the present. Deformation is concentrated within a NW-SE trending zone in the western part and in a 50-70 km wide E-W zone in the central part of the MVB. The coincidence between the onset of the MVB and the middle Miocene phase of transcurrent faulting leads us to propose that the NW-SE and E-W transcurrent faults could have provided preferential crustal magma paths, allowing the formation of the MVB with its oblique orientation with respect to the trench.doi: https://doi.org/10.22201/igeof.00167169p.1994.33.1.542

773.1.#.t: Geofísica Internacional; Vol. 33 Núm. 1: Enero 1, 1994; 91-105

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: 91-105

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

doi: https://doi.org/10.22201/igeof.00167169p.1994.33.1.542

handle: 353ed8e6e8725ab4

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

856.#.0.q: application/pdf

file_creation_date: 2008-02-22 16:25:12.0

file_modification_date: 2022-07-05 18:34:03.0

file_creator: Luca Ferrari

file_name: 7ae5e2285324356ad3a34143e6f1a84162cd43111fa5c2182eb8500fb2a7a20c.pdf

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245.1.0.b: Volcanic and tectonic evolution of central Mexico: Oligocene to present

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

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Artículo

Volcanic and tectonic evolution of central Mexico: Oligocene to present

Ferrari, Luca; Garduño, Víctor Hugo; Pasquarè, Giorgio; Tibaldil, Alessandro

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

Ferrari, Luca, et al. (1994). Volcanic and tectonic evolution of central Mexico: Oligocene to present. Geofísica Internacional; Vol. 33 Núm. 1: Enero 1, 1994; 91-105. Recuperado de https://repositorio.unam.mx/contenidos/4132987

Descripción del recurso

Autor(es)
Ferrari, Luca; Garduño, Víctor Hugo; Pasquarè, Giorgio; Tibaldil, Alessandro
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Volcanic and tectonic evolution of central Mexico: Oligocene to present
Fecha
1994-01-01
Resumen
Based on a synthesis of geochronologic, stratigraphic, and structural data of the volcanic terrains of central Mexico we reconstruct the spatial and temporal relations between the Sierra Madre Occidental (SMO) and the Mexican Volcanic Belt (MVB). An analysis of 520 radiometric ages integrated with the available geological data shows that the migration of volcanism from the NNW trending, dominantly silicic SMO arc to the roughly E-W trending intermediate to mafic MVB arc occurred gradually in response to the progressive development of the Acapulco trench in early to middle Miocene times. During most of the Oligocene the SMO arc developed in a broad NNW trending belt up to the longitude of Mexico City and as far south as the present Acapulco trench. In latest Oligocece and early Miocene times the volcanic front receded about 230 km from the trench while the rest of the arc retained the same location. This change is thought to reflect the progressive development of the present trench, at the site of the former transform boundary between the North America plate and the Chortis block. In middle Miocene times, intermediate to mafic volcanic products were emplaced along a rough E-W trending belt extending also east of Mexico City, while in late Miocene this volcanism assumed a uniform basaltic character and a widespread distribution. The overall orientation of the arc did not change since 16 Ma to the Present although a trenchward shifting of the volcanic front is observed. Based on the overall orientation of the arc and on the dominant composition of the volcanic products, we propose that the MVB began at about 16 Ma, when an intermediate to mafic volcanic arc with a rough E-W orientation start to form. The tectonic evolution of the western and central parts of the MVB is characterized by a middle Miocene phase of transcurent faulting followed by a transtensional to extensional phase between the late Miocene to the present. Deformation is concentrated within a NW-SE trending zone in the western part and in a 50-70 km wide E-W zone in the central part of the MVB. The coincidence between the onset of the MVB and the middle Miocene phase of transcurrent faulting leads us to propose that the NW-SE and E-W transcurrent faults could have provided preferential crustal magma paths, allowing the formation of the MVB with its oblique orientation with respect to the trench.doi: https://doi.org/10.22201/igeof.00167169p.1994.33.1.542
Tema
Geocronología; edades radiométricas; estratigrafía; estructura; evolución tectónica; terrenos volcánicos; Sierra Madre Occidental; Faja Volcánica Trans-Mexicana; Geochronology; radiometric ages; stratigraphy; structure; volcanic terrains; Sierra Madre Occidental; Mexican Volcanic Belt; tectonic evolution
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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