Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina

Regional studies of Sq variations measured at five permanent observatories in Argentina were performed to estimate the distribution of the electrical conductivity of the upper and mid-mantle, reaching a depth of approximately 800 km. After separating the total field into its parts of external and in...

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Autores principales: Osella, Ana María, Favetto, Alicia Beatriz
Publicado: 1993
Materias:
Lateral electrical heterogeneities
mantle conductivity in Argentina
Sq field
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v141_n1_p139_Osella
http://hdl.handle.net/20.500.12110/paper_00334553_v141_n1_p139_Osella
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_00334553_v141_n1_p139_Osella
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spelling paper:paper_00334553_v141_n1_p139_Osella2023-06-08T15:00:31Z Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina Osella, Ana María Favetto, Alicia Beatriz Lateral electrical heterogeneities mantle conductivity in Argentina Sq field Regional studies of Sq variations measured at five permanent observatories in Argentina were performed to estimate the distribution of the electrical conductivity of the upper and mid-mantle, reaching a depth of approximately 800 km. After separating the total field into its parts of external and internal origin, the in duced field was modeled, applying two-dimensional techniques. Additionally, induction arrows and an equivalent apparent resistivity curve were calculated A north-south heterogeneity was detected, showing an increase of the conductivity of the shallower layers north of the profile, which may be related to the presence of high volcanic activity in the area. © 1993 Birkhäuser Verlag. Fil:Osella, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Favetto, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1993 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v141_n1_p139_Osella http://hdl.handle.net/20.500.12110/paper_00334553_v141_n1_p139_Osella
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Lateral electrical heterogeneities
mantle conductivity in Argentina
Sq field
spellingShingle Lateral electrical heterogeneities
mantle conductivity in Argentina
Sq field
Osella, Ana María
Favetto, Alicia Beatriz
Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
topic_facet Lateral electrical heterogeneities
mantle conductivity in Argentina
Sq field
description Regional studies of Sq variations measured at five permanent observatories in Argentina were performed to estimate the distribution of the electrical conductivity of the upper and mid-mantle, reaching a depth of approximately 800 km. After separating the total field into its parts of external and internal origin, the in duced field was modeled, applying two-dimensional techniques. Additionally, induction arrows and an equivalent apparent resistivity curve were calculated A north-south heterogeneity was detected, showing an increase of the conductivity of the shallower layers north of the profile, which may be related to the presence of high volcanic activity in the area. © 1993 Birkhäuser Verlag.
author Osella, Ana María
Favetto, Alicia Beatriz
author_facet Osella, Ana María
Favetto, Alicia Beatriz
author_sort Osella, Ana María
title Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
title_short Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
title_full Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
title_fullStr Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
title_full_unstemmed Lateral heterogeneities in the upper and mid-mantle conductivity in Argentina
title_sort lateral heterogeneities in the upper and mid-mantle conductivity in argentina
publishDate 1993
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v141_n1_p139_Osella
http://hdl.handle.net/20.500.12110/paper_00334553_v141_n1_p139_Osella
work_keys_str_mv AT osellaanamaria lateralheterogeneitiesintheupperandmidmantleconductivityinargentina
AT favettoaliciabeatriz lateralheterogeneitiesintheupperandmidmantleconductivityinargentina
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