dor_id: 4132219
506.#.#.a: Público
590.#.#.d: Los artículos enviados a la revista "Geofísica Internacional", se juzgan por medio de un proceso de revisión por pares
510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Scientific Electronic Library Online (SciELO); SCOPUS, Dialnet, Directory of Open Access Journals (DOAJ); Geobase
561.#.#.u: https://www.geofisica.unam.mx/
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)
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/1384/1389
100.1.#.a: Delgado Granados, Hugo
524.#.#.a: Delgado Granados, Hugo (1993). Late Cenozoic tectonics offshore western Mexico and its relation to the structure and volcanic activity in the western Trans-Mexican Volcanic Belt. Geofísica Internacional; Vol. 32 Núm. 4: Octubre 1, 1993; ´543-559. Recuperado de https://repositorio.unam.mx/contenidos/4132219
245.1.0.a: Late Cenozoic tectonics offshore western Mexico and its relation to the structure and volcanic activity in the western Trans-Mexican Volcanic Belt
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Instituto de Geofísica, UNAM
264.#.0.c: 1993
264.#.1.c: 1993-10-01
653.#.#.a: Cinemática de placas; Tectónica; Volcanismo; Faja Volcánica Trans-Mexicana; Placa de Rivera; Tasa de convergencia; Tasa de esparcimiento; Plate kinematics; Tectonics; Volcanism; Trans-Mexican Volcanic Belt; Rivera plate; Convergence rate; Spreading rate
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/1384
001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/1384
041.#.7.h: spa
520.3.#.a: The calculated convergence rate indicates that tectonics has been tensional in western Mexico for the last 3 m.y. This deformation style is expressed in the formation of rift structures in the western Trans-Mexican Volcanic Belt [TMVB]. The obtained values for the convergence rate predict less tensional tectonics (tending to be neutral) in the southeastern part of the interacting zone Rivera-North America, but more tensional in the northwestern part through time. On the other hand, a qualitative analysis of the spreading rates shows that they were systematically faster before ó.5 Ma than after. Subsequently, after testing different kinematic parameters, it was concluded that spreading rate of the Pacific-Rivera rise strongly influences the convergence rate. Therefore, a positive correlation between the evolution of spreading rate of the Pacific-Rivera rise and geology on land can be made. This correlation shows that relatively fast spreading rate coincides with monogenetic calc-alkaline volcanism in the western TMVB at least since 10 m.y. ago. Nevertheless, this kind of volcanism has continued up to the present. The ·spreading rate became much slower (and thcrefQre convergence rate became slower) during the period ó.5 Ma-3.5 Ma, coinciding with widespread extensional tectonics, explosive volcanism and lacustrine sedimentation in the Colima, TepicZacoalco and Chapala rifts, and between 4.ó Ma and 3.9 Ma with alkaline volcanism in the Colima and Tcpic-Zacoalco rifts. A slight increase in the spreading rate after 3.5 Ma coincides with a decrease in volcanic activity (mainly alkaline). During 1.7 Ma-0.7 Ma, the spreading rate slowed down again coinciding with continuous normal faulting in the Colima, Tepic-Zacoalco and Chapa! a rifts, and in part with :mother period of alkaline volcanism (1.4 Ma-0.2 Ma) in the Colima and Tcpic-Zacoalco rifts. After 0.7 Ma, the spreading rate became slightly faster. A genetic relationship of the content of incompatible elements in volcanic rocks of the region to convergence rate was found, implying that higher subduction rate supplies more accreted sediments in the mantle wedge. This is used to explain geochemical differences among volcanic rocks along the volcanic front of the western TMYB.doi: https://doi.org/10.22201/igeof.00167169p.1993.32.4.601
773.1.#.t: Geofísica Internacional; Vol. 32 Núm. 4: Octubre 1, 1993; ´543-559
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: 543-559
264.#.1.b: Instituto de Geofísica, UNAM
doi: https://doi.org/10.22201/igeof.00167169p.1993.32.4.601
handle: 3f5a928cb8135a06
harvesting_date: 2023-06-20 16:00:00.0
856.#.0.q: application/pdf
file_creation_date: 2008-03-25 15:56:56.0
file_modification_date: 2022-07-29 01:18:56.0
file_creator: Hugo Delgado Granados
file_name: 043aa126bb7ef12066caa812b85ef9883aab3ae1668217aa0b1ae2de1fb54e09.pdf
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245.1.0.b: Late Cenozoic tectonics offshore western Mexico and its relation to the structure and volcanic activity in the western Trans-Mexican Volcanic Belt
last_modified: 2023-06-20 16:00:00
license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es
license_type: by-nc-sa
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