Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies

Autores
Moreira, Pilar; Fernández, Raúl Roberto; Schalamuk, Isidoro Bernardo Abel; Etcheverry, Ricardo Oscar; Rolando, Ariel Pablo
Año de publicación
2005
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Lead isotope analyses of volcanic rocks and hydrothermal minerals and sulfide isotope analyses of sulfurs from Au-Ag La Josefina prospect (Deseado Massif geological province, Argentina) are reported. Lead isotope ratios for sphalerite and pyrite have mean values of 18.48, 15.69 and 38.61 for 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb, respectively, and are similar to Pb isotope ratios for the Jurassic volcanic rocks of Bajo Pobre and Chon Aike Formations. δ34S‰ suggesting that the sulfur at La Josefina was primarily of magmatic origin. These results are interpreted to indicate that the Jurassic volcanic rocks are closely related with low sulfidation Au-Ag occurrences.
Instituto de Recursos Minerales
Materia
Geología
Pb isotopes
S isotopes
epithermal deposits
Jurassic volcanism
Patagonia Argentina
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/140392
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/140392
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studiesMoreira, PilarFernández, Raúl RobertoSchalamuk, Isidoro Bernardo AbelEtcheverry, Ricardo OscarRolando, Ariel PabloGeologíaPb isotopesS isotopesepithermal depositsJurassic volcanismPatagonia ArgentinaLead isotope analyses of volcanic rocks and hydrothermal minerals and sulfide isotope analyses of sulfurs from Au-Ag La Josefina prospect (Deseado Massif geological province, Argentina) are reported. Lead isotope ratios for sphalerite and pyrite have mean values of 18.48, 15.69 and 38.61 for 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb, respectively, and are similar to Pb isotope ratios for the Jurassic volcanic rocks of Bajo Pobre and Chon Aike Formations. δ34S‰ suggesting that the sulfur at La Josefina was primarily of magmatic origin. These results are interpreted to indicate that the Jurassic volcanic rocks are closely related with low sulfidation Au-Ag occurrences.Instituto de Recursos Minerales2005-08info:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/publishedVersionObjeto de conferenciahttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdf801-804http://sedici.unlp.edu.ar/handle/10915/140392enginfo:eu-repo/semantics/altIdentifier/isbn/978-3-540-27945-7info:eu-repo/semantics/altIdentifier/doi/10.1007/3-540-27946-6_204info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:32:06Zoai:sedici.unlp.edu.ar:10915/140392Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:32:07.24SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
title Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
spellingShingle Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
Moreira, Pilar
Geología
Pb isotopes
S isotopes
epithermal deposits
Jurassic volcanism
Patagonia Argentina
title_short Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
title_full Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
title_fullStr Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
title_full_unstemmed Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
title_sort Jurassic magmatism and Au-Ag mineralization in the Deseado Massif (Patagonia Argentina) : Lead and sulfur isotopic studies
dc.creator.none.fl_str_mv Moreira, Pilar
Fernández, Raúl Roberto
Schalamuk, Isidoro Bernardo Abel
Etcheverry, Ricardo Oscar
Rolando, Ariel Pablo
author Moreira, Pilar
author_facet Moreira, Pilar
Fernández, Raúl Roberto
Schalamuk, Isidoro Bernardo Abel
Etcheverry, Ricardo Oscar
Rolando, Ariel Pablo
author_role author
author2 Fernández, Raúl Roberto
Schalamuk, Isidoro Bernardo Abel
Etcheverry, Ricardo Oscar
Rolando, Ariel Pablo
author2_role author
author
author
author
dc.subject.none.fl_str_mv Geología
Pb isotopes
S isotopes
epithermal deposits
Jurassic volcanism
Patagonia Argentina
topic Geología
Pb isotopes
S isotopes
epithermal deposits
Jurassic volcanism
Patagonia Argentina
dc.description.none.fl_txt_mv Lead isotope analyses of volcanic rocks and hydrothermal minerals and sulfide isotope analyses of sulfurs from Au-Ag La Josefina prospect (Deseado Massif geological province, Argentina) are reported. Lead isotope ratios for sphalerite and pyrite have mean values of 18.48, 15.69 and 38.61 for 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb, respectively, and are similar to Pb isotope ratios for the Jurassic volcanic rocks of Bajo Pobre and Chon Aike Formations. δ34S‰ suggesting that the sulfur at La Josefina was primarily of magmatic origin. These results are interpreted to indicate that the Jurassic volcanic rocks are closely related with low sulfidation Au-Ag occurrences.
Instituto de Recursos Minerales
description Lead isotope analyses of volcanic rocks and hydrothermal minerals and sulfide isotope analyses of sulfurs from Au-Ag La Josefina prospect (Deseado Massif geological province, Argentina) are reported. Lead isotope ratios for sphalerite and pyrite have mean values of 18.48, 15.69 and 38.61 for 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb, respectively, and are similar to Pb isotope ratios for the Jurassic volcanic rocks of Bajo Pobre and Chon Aike Formations. δ34S‰ suggesting that the sulfur at La Josefina was primarily of magmatic origin. These results are interpreted to indicate that the Jurassic volcanic rocks are closely related with low sulfidation Au-Ag occurrences.
publishDate 2005
dc.date.none.fl_str_mv 2005-08
dc.type.none.fl_str_mv info:eu-repo/semantics/conferenceObject
info:eu-repo/semantics/publishedVersion
Objeto de conferencia
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
format conferenceObject
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/140392
url http://sedici.unlp.edu.ar/handle/10915/140392
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/isbn/978-3-540-27945-7
info:eu-repo/semantics/altIdentifier/doi/10.1007/3-540-27946-6_204
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
801-804
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.070432

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