Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating

The La Voluntad porphyry Cu - Mo deposit in Neuquén, Argentina, is one of several poorly known porphyry-type deposits of Paleozoic to Early Jurassic age in the central and southern Andes. Mineralization at La Voluntad is related to a tonalite porphyry from the Chachil Plutonic Complex that intruded...

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Authors: Garrido, Mirta Mabel, Barra, Fernando, Dominguez, Eduardo Alejandro, Ruiz, Joaquin, Valencia, Victor
Format: article
Status:Published version
Publication Date:2008
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/77722
Online Access:http://hdl.handle.net/11336/77722
Access Level:Open access
Keyword:Porphyry Copper Mineralization
La Voluntad, Argentina
Re-Os Molibdenite Dating
Late Carboniferous
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
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spelling Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite datingGarrido, Mirta MabelBarra, FernandoDominguez, Eduardo AlejandroRuiz, JoaquinValencia, VictorPorphyry Copper MineralizationLa Voluntad, ArgentinaRe-Os Molibdenite DatingLate Carboniferoushttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The La Voluntad porphyry Cu - Mo deposit in Neuquén, Argentina, is one of several poorly known porphyry-type deposits of Paleozoic to Early Jurassic age in the central and southern Andes. Mineralization at La Voluntad is related to a tonalite porphyry from the Chachil Plutonic Complex that intruded metasedimentary units of the Piedra Santa Complex. Five new Re - Os molybdenite ages from four samples representing three different vein types (i.e., quartz - molybdenite, quartz - sericite - molybdenite and quartz - sericite - molybdenite ± chalcopyrite - pyrite) are identical within error and were formed between ∼312 to ∼316 Ma. Rhenium and Os concentrations range between 34 to 183 ppm and 112 to 599 ppb, respectively. The new Re - Os ages indicate that the main mineralization event at La Voluntad, associated to sericitic alteration, was emplaced during a time span of 1.7±3.2 Ma and that the deposit is Carboniferous in age, not Permian as previously thought. La Voluntad is the oldest porphyry copper deposit so far recognized in the Andes and indicates the presence of an active magmatic arc, with associated porphyry style mineralization, at the proto-Pacific margin of Gondwana during the Early Pennsylvanian.Fil: Garrido, Mirta Mabel. Universidad Nacional del Sur; ArgentinaFil: Barra, Fernando. University of Arizona. Department of Geosciences; Estados UnidosFil: Dominguez, Eduardo Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaFil: Ruiz, Joaquin. University of Arizona. Department of Geosciences; Estados UnidosFil: Valencia, Victor. University of Arizona. Department of Geosciences; Estados UnidosSpringer2008-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/77722Garrido, Mirta Mabel; Barra, Fernando; Dominguez, Eduardo Alejandro; Ruiz, Joaquin; Valencia, Victor; Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating; Springer; Mineralium Deposita; 43; 5; 7-2008; 591-5970026-4598CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00126-008-0189-zinfo:eu-repo/semantics/altIdentifier/doi/10.1007/s00126-008-0189-zinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2024-05-08T13:33:26Zoai:ri.conicet.gov.ar:11336/77722instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982024-05-08 13:33:27.25CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
title Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
spellingShingle Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
Garrido, Mirta Mabel
Porphyry Copper Mineralization
La Voluntad, Argentina
Re-Os Molibdenite Dating
Late Carboniferous
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
title_short Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
title_full Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
title_fullStr Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
title_full_unstemmed Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
title_sort Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating
dc.creator.none.fl_str_mv Garrido, Mirta Mabel
Barra, Fernando
Dominguez, Eduardo Alejandro
Ruiz, Joaquin
Valencia, Victor
author Garrido, Mirta Mabel
author_facet Garrido, Mirta Mabel
Barra, Fernando
Dominguez, Eduardo Alejandro
Ruiz, Joaquin
Valencia, Victor
author_role author
author2 Barra, Fernando
Dominguez, Eduardo Alejandro
Ruiz, Joaquin
Valencia, Victor
author2_role author
author
author
author
dc.subject.none.fl_str_mv Porphyry Copper Mineralization
La Voluntad, Argentina
Re-Os Molibdenite Dating
Late Carboniferous
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
topic Porphyry Copper Mineralization
La Voluntad, Argentina
Re-Os Molibdenite Dating
Late Carboniferous
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
description The La Voluntad porphyry Cu - Mo deposit in Neuquén, Argentina, is one of several poorly known porphyry-type deposits of Paleozoic to Early Jurassic age in the central and southern Andes. Mineralization at La Voluntad is related to a tonalite porphyry from the Chachil Plutonic Complex that intruded metasedimentary units of the Piedra Santa Complex. Five new Re - Os molybdenite ages from four samples representing three different vein types (i.e., quartz - molybdenite, quartz - sericite - molybdenite and quartz - sericite - molybdenite ± chalcopyrite - pyrite) are identical within error and were formed between ∼312 to ∼316 Ma. Rhenium and Os concentrations range between 34 to 183 ppm and 112 to 599 ppb, respectively. The new Re - Os ages indicate that the main mineralization event at La Voluntad, associated to sericitic alteration, was emplaced during a time span of 1.7±3.2 Ma and that the deposit is Carboniferous in age, not Permian as previously thought. La Voluntad is the oldest porphyry copper deposit so far recognized in the Andes and indicates the presence of an active magmatic arc, with associated porphyry style mineralization, at the proto-Pacific margin of Gondwana during the Early Pennsylvanian.
publishDate 2008
dc.date.none.fl_str_mv 2008-07
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/77722
Garrido, Mirta Mabel; Barra, Fernando; Dominguez, Eduardo Alejandro; Ruiz, Joaquin; Valencia, Victor; Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating; Springer; Mineralium Deposita; 43; 5; 7-2008; 591-597
0026-4598
CONICET Digital
CONICET
url http://hdl.handle.net/11336/77722
identifier_str_mv Garrido, Mirta Mabel; Barra, Fernando; Dominguez, Eduardo Alejandro; Ruiz, Joaquin; Valencia, Victor; Late carboniferous porphyry copper mineralization at La voluntad, Neuquén, Argentina: Constraints from Re - Os molybdenite dating; Springer; Mineralium Deposita; 43; 5; 7-2008; 591-597
0026-4598
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00126-008-0189-z
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00126-008-0189-z
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 15,811543

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