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

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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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270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

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/450/463

100.1.#.a: Rodríguez Castañeda, José Luis; Roldán Quintana, Jaime; Ortega Rivera, Amabel

524.#.#.a: Rodríguez Castañeda, José Luis, et al. (2015). Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico. Geofísica Internacional; Vol. 54 Núm. 3: Julio 1, 2015; 221-244. Recuperado de https://repositorio.unam.mx/contenidos/4132784

245.1.0.a: Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2015

264.#.1.c: 2015-07-01

653.#.#.a: Tectónica por gravedad; Cretácico Superior; monolitos; bloques; deslizamiento por gravedad; paleo esfuerzos; Sonora; Gravity tectonics; Upper Cretaceous monoliths; blocks; gravity gliding; paleostress; Sonora

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/450

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/450

041.#.7.h: spa

520.3.#.a: Complex deformational structures assigned to vertical movements, and gravitational activity, such as gliding, are well preserved in Upper Cretaceous rocks of the Arivechi region, Eastern Sonora, Mexico. These structures allow us to discriminate between synsedimentary and tectonic origins. The rocks at Arivechi have been divided into two units according to their lithology and degree of deformation, the Cañada de Tarachi (oldest) and El Potrero Grande units. The Upper Cretaceous volcano-sedimentary sequence is more than 6 km thick and consists mainly of andesite, rhyolithic tuff, conglomerate sandstone, siltstone, and shale-type rocks that were deposited in the Arivechi back-arc basin. Within the Cañada de Tarachi Unit, monoliths and blocks were found; these include rocks dating from Proterozoic, Paleozoic and Mesozoic times. The Proterozoic monoliths are dominated by quartz sandstone and dolomite and the Paleozoic and Mesozoic monoliths consist of limestone, shale, limestone-shale-sandstone, conglomerate and igneous rocks. Two granitic monoliths have been dated, one at 76 Ma (U/Pb zircon date) and the other at 70 Ma (40Ar/39Ar whole rock step-heating). The sedimentary monoliths show gradational transitions from coherent beds to intense deformation along their edges and bases. The structure within the monoliths, blocks and surrounding host rocks was studied in detail. The new stratigraphic and structural data suggest that the monoliths and blocks may have originated at a positive land east of Arivechi, in western Chihuahua and eastern Sonora, Mexico, known as the Aldama Platform. The identified structures consist of folds and normal faults. Fold vergence suggests that the depocenter was located westward of the study area. A paleostress reconstruction documented the tectonic history of the eastern margin of the Arivechi back-arc basin Stress inversion of fault slip data was achieved by an improved right-dihedra method followed by rotational optimization. The structural analysis and paleostress reconstructions showed that the Mesozoic-Cenozoic kinematic evolution was extensional and continued during Cretaceous times; it has also been identified in Miocene rocks. The rock sequence was modified by basin and range-type normal faulting, as suggested by our paleostress reconstruction. The last event is the result of the beginning of tectonic extension at the onset of the shift from a subduction regime toward a transform fault regime, i.e., from the subduction of the Fallaron plate to the San Andreas Gulf of California fault system during Miocene times. NE-SW and ENE-WSW extension was followed by E-W and WNW-ESE extension. The faulting sequence went from NE-SW to ENE-WSW and subsequently to WNW-ESE.doi: https://doi.org/10.1016/j.gi.2015.04.018

773.1.#.t: Geofísica Internacional; Vol. 54 Núm. 3: Julio 1, 2015; 221-244

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: 221-244

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

doi: https://doi.org/10.1016/j.gi.2015.04.018

handle: 56bf0564459d85b2

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

856.#.0.q: application/pdf

file_creation_date: 2017-04-07 17:12:44.0

file_modification_date: 2022-07-05 21:13:18.0

file_creator: Rodríguez Castañeda J.L.

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245.1.0.b: Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico

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

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Artículo

Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico

Rodríguez Castañeda, José Luis; Roldán Quintana, Jaime; Ortega Rivera, Amabel

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

Rodríguez Castañeda, José Luis, et al. (2015). Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico. Geofísica Internacional; Vol. 54 Núm. 3: Julio 1, 2015; 221-244. Recuperado de https://repositorio.unam.mx/contenidos/4132784

Descripción del recurso

Autor(es)
Rodríguez Castañeda, José Luis; Roldán Quintana, Jaime; Ortega Rivera, Amabel
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Mesozoic gliding and Tertiary basin and range tectonics in eastern Sonora, Mexico
Fecha
2015-07-01
Resumen
Complex deformational structures assigned to vertical movements, and gravitational activity, such as gliding, are well preserved in Upper Cretaceous rocks of the Arivechi region, Eastern Sonora, Mexico. These structures allow us to discriminate between synsedimentary and tectonic origins. The rocks at Arivechi have been divided into two units according to their lithology and degree of deformation, the Cañada de Tarachi (oldest) and El Potrero Grande units. The Upper Cretaceous volcano-sedimentary sequence is more than 6 km thick and consists mainly of andesite, rhyolithic tuff, conglomerate sandstone, siltstone, and shale-type rocks that were deposited in the Arivechi back-arc basin. Within the Cañada de Tarachi Unit, monoliths and blocks were found; these include rocks dating from Proterozoic, Paleozoic and Mesozoic times. The Proterozoic monoliths are dominated by quartz sandstone and dolomite and the Paleozoic and Mesozoic monoliths consist of limestone, shale, limestone-shale-sandstone, conglomerate and igneous rocks. Two granitic monoliths have been dated, one at 76 Ma (U/Pb zircon date) and the other at 70 Ma (40Ar/39Ar whole rock step-heating). The sedimentary monoliths show gradational transitions from coherent beds to intense deformation along their edges and bases. The structure within the monoliths, blocks and surrounding host rocks was studied in detail. The new stratigraphic and structural data suggest that the monoliths and blocks may have originated at a positive land east of Arivechi, in western Chihuahua and eastern Sonora, Mexico, known as the Aldama Platform. The identified structures consist of folds and normal faults. Fold vergence suggests that the depocenter was located westward of the study area. A paleostress reconstruction documented the tectonic history of the eastern margin of the Arivechi back-arc basin Stress inversion of fault slip data was achieved by an improved right-dihedra method followed by rotational optimization. The structural analysis and paleostress reconstructions showed that the Mesozoic-Cenozoic kinematic evolution was extensional and continued during Cretaceous times; it has also been identified in Miocene rocks. The rock sequence was modified by basin and range-type normal faulting, as suggested by our paleostress reconstruction. The last event is the result of the beginning of tectonic extension at the onset of the shift from a subduction regime toward a transform fault regime, i.e., from the subduction of the Fallaron plate to the San Andreas Gulf of California fault system during Miocene times. NE-SW and ENE-WSW extension was followed by E-W and WNW-ESE extension. The faulting sequence went from NE-SW to ENE-WSW and subsequently to WNW-ESE.doi: https://doi.org/10.1016/j.gi.2015.04.018
Tema
Tectónica por gravedad; Cretácico Superior; monolitos; bloques; deslizamiento por gravedad; paleo esfuerzos; Sonora; Gravity tectonics; Upper Cretaceous monoliths; blocks; gravity gliding; paleostress; Sonora
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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