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

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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1071/1051

100.1.#.a: Luhr, J. F.; E.Carmichael., I. S.

524.#.#.a: Luhr, J. F., et al. (1985). Contemporaneous eruptions of calc-alkaline and alkaline magmas along the volcanic front of the mexican volcanic belt. Geofísica Internacional; Vol. 24 No. 1, 1985. Recuperado de https://repositorio.unam.mx/contenidos/42050

245.1.0.a: Contemporaneous eruptions of calc-alkaline and alkaline magmas along the volcanic front of the mexican volcanic belt

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1985

264.#.1.c: 2012-12-19

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-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2012-12-19, para un uso diferente consultar al responsable jurídico del repositorio por medio de revistagi@igeofisica.unam.mx

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041.#.7.h: spa

520.3.#.a: According to general models for subduction-related volcanic arcs, magma cornpositions become progressively richer in Kâ‚‚0 and incompatible elements with increasing distance from the trench and volcanic front and with increasing depth to the Benioff zone. Arc-type magmas are typically hypersthene- and quartz-normative. Nepheline-normative alkali basalts are expected to erupt, if at ah, only at great distances from the trench. Along the volcanic front of the Mexican Volcanic Belt, however, hydrous, nepheline-normative, basic alkalic magmas have erupted at two different locations during the late-Quaternary Period: in the southern Colima graben and in the southern Michoacán-Guanajuato Volcanic Field. In both places, hypersthene- and quartz-nor-mative calc-alkaline magmas with typical `volcanic front' characteristics were erupting contem-poraneously. These contrasting magma suites can not be related by any simple mechanism; they appear to record distinct melting events within the upper mantle.

773.1.#.t: Geofísica Internacional; Vol. 24 No. 1 (1985)

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

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Artículo

Contemporaneous eruptions of calc-alkaline and alkaline magmas along the volcanic front of the mexican volcanic belt

Luhr, J. F.; E.Carmichael., I. S.

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

Luhr, J. F., et al. (1985). Contemporaneous eruptions of calc-alkaline and alkaline magmas along the volcanic front of the mexican volcanic belt. Geofísica Internacional; Vol. 24 No. 1, 1985. Recuperado de https://repositorio.unam.mx/contenidos/42050

Descripción del recurso

Autor(es)
Luhr, J. F.; E.Carmichael., I. S.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Contemporaneous eruptions of calc-alkaline and alkaline magmas along the volcanic front of the mexican volcanic belt
Fecha
2012-12-19
Resumen
According to general models for subduction-related volcanic arcs, magma cornpositions become progressively richer in Kâ‚‚0 and incompatible elements with increasing distance from the trench and volcanic front and with increasing depth to the Benioff zone. Arc-type magmas are typically hypersthene- and quartz-normative. Nepheline-normative alkali basalts are expected to erupt, if at ah, only at great distances from the trench. Along the volcanic front of the Mexican Volcanic Belt, however, hydrous, nepheline-normative, basic alkalic magmas have erupted at two different locations during the late-Quaternary Period: in the southern Colima graben and in the southern Michoacán-Guanajuato Volcanic Field. In both places, hypersthene- and quartz-nor-mative calc-alkaline magmas with typical `volcanic front' characteristics were erupting contem-poraneously. These contrasting magma suites can not be related by any simple mechanism; they appear to record distinct melting events within the upper mantle.
Idioma
spa
ISSN
0016-7169

Enlaces