Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data

Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data

Two main volcanic fields separated by a volcano-tectonic structure were emplaced in the southern part of San Luis Potosí state during the Cenozoic peak of continental extension in the SE portion of the Sierra Madre Occidental. The Eocene to Quaternary volcanic rocks associated to these structures range in composition either from subalkaline basalts to basanites or from basaltic andesite to rhyolites, and were emplaced during five magmatic events. New trace element analyses obtained by the ICP-QMS method show that the three oldest ones, ranging in age from middle Eocene to late Oligocene, emplaced potassic calc-alkaline intermediate to evolved lavas. These originated from subduction-related mafic magmas through open-system fractional cristallization coupled with assimilation and possibly melting of the continental crust. The two youngest volcanic phases (Miocene and Quaternary) emplaced intraplate subalkaline to alkaline basalt and basanites derived from variable melting degrees of enriched mantle.

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Main Authors: Aguillón-Robles,Alfredo, Tristán-González,Margarito, López-Doncel,Rubén Alfonso, García-Arreola,María Elena, Almaguer-Rodríguez,Joselin de Lourdes, Maury,René C.
Format: Digital revista
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Geofísica 2012
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0016-71692012000300007
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spelling oai:scielo:S0016-716920120003000072013-08-09Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS dataAguillón-Robles,AlfredoTristán-González,MargaritoLópez-Doncel,Rubén AlfonsoGarcía-Arreola,María ElenaAlmaguer-Rodríguez,Joselin de LourdesMaury,René C. volcanic fields volcanic units trace elements ICP-QMS San Luis Potosí Mexico Two main volcanic fields separated by a volcano-tectonic structure were emplaced in the southern part of San Luis Potosí state during the Cenozoic peak of continental extension in the SE portion of the Sierra Madre Occidental. The Eocene to Quaternary volcanic rocks associated to these structures range in composition either from subalkaline basalts to basanites or from basaltic andesite to rhyolites, and were emplaced during five magmatic events. New trace element analyses obtained by the ICP-QMS method show that the three oldest ones, ranging in age from middle Eocene to late Oligocene, emplaced potassic calc-alkaline intermediate to evolved lavas. These originated from subduction-related mafic magmas through open-system fractional cristallization coupled with assimilation and possibly melting of the continental crust. The two youngest volcanic phases (Miocene and Quaternary) emplaced intraplate subalkaline to alkaline basalt and basanites derived from variable melting degrees of enriched mantle.info:eu-repo/semantics/openAccessUniversidad Nacional Autónoma de México, Instituto de GeofísicaGeofísica internacional v.51 n.3 20122012-09-01info:eu-repo/semantics/articletext/htmlhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0016-71692012000300007en
institution SCIELO
collection OJS
country México
countrycode MX
component Revista
access En linea
databasecode rev-scielo-mx
tag revista
region America del Norte
libraryname SciELO
language English
format Digital
author Aguillón-Robles,Alfredo
Tristán-González,Margarito
López-Doncel,Rubén Alfonso
García-Arreola,María Elena
Almaguer-Rodríguez,Joselin de Lourdes
Maury,René C.
spellingShingle Aguillón-Robles,Alfredo
Tristán-González,Margarito
López-Doncel,Rubén Alfonso
García-Arreola,María Elena
Almaguer-Rodríguez,Joselin de Lourdes
Maury,René C.
Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
author_facet Aguillón-Robles,Alfredo
Tristán-González,Margarito
López-Doncel,Rubén Alfonso
García-Arreola,María Elena
Almaguer-Rodríguez,Joselin de Lourdes
Maury,René C.
author_sort Aguillón-Robles,Alfredo
title Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
title_short Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
title_full Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
title_fullStr Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
title_full_unstemmed Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: the bearing of ICP-QMS data
title_sort trace elements geochemistry and origin of volcanic units from the san luis potosí and río santa maría volcanic fields, mexico: the bearing of icp-qms data
description Two main volcanic fields separated by a volcano-tectonic structure were emplaced in the southern part of San Luis Potosí state during the Cenozoic peak of continental extension in the SE portion of the Sierra Madre Occidental. The Eocene to Quaternary volcanic rocks associated to these structures range in composition either from subalkaline basalts to basanites or from basaltic andesite to rhyolites, and were emplaced during five magmatic events. New trace element analyses obtained by the ICP-QMS method show that the three oldest ones, ranging in age from middle Eocene to late Oligocene, emplaced potassic calc-alkaline intermediate to evolved lavas. These originated from subduction-related mafic magmas through open-system fractional cristallization coupled with assimilation and possibly melting of the continental crust. The two youngest volcanic phases (Miocene and Quaternary) emplaced intraplate subalkaline to alkaline basalt and basanites derived from variable melting degrees of enriched mantle.
publisher Universidad Nacional Autónoma de México, Instituto de Geofísica
publishDate 2012
url http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0016-71692012000300007
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