Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano
Autor(a) principal: | |
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Data de Publicação: | 2005 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | spa |
Título da fonte: | Repositório Institucional da Universidade Federal do Ceará (UFC) |
Texto Completo: | http://www.repositorio.ufc.br/handle/riufc/64485 |
Resumo: | Metallogenic evolution of the Sierras Pampeanas of Córdoba and south of Santiago del Estero: Prepampean and Pampean cycles. This hypothesis of metallogenic evolution of the Sierras Pampeaneas of Córdoba and south of Santiago del Estero proposes the existence of five metallogenic stages, two of wich are treated in this paper: stage 1 belongs to the prepampean extensional cycle and is connected with the Neoproterozoic opening and expansion of the proto-Atlantic ocean. During this stage submarine volcanogenic deposits were developed such as Cu-Fe (Zn-Au-Ag-Co) in basalts, W (B-F-Zn) in impure limestones and dolomites, and Fe in silicoclastic sediments, as well as transition occurrences from them to MVT deposits of Cu (Au-Ag) and PbZn (Ag-Cu-Au) in impure limestones and dolomites. Chromite magmatic deposits in mantle tectonites and of Fe-Ti in ultramaficmafic rocks in the transition crust-mantle zone are also related to stage 1. Distribution of the Prepampean deposits and their space relationship with the main submarine volcanogenic, SEDEX and MVT areas in the proto-atlantic ocean are placed on a global reconstruction for Neoproterozoic age. The compressive Pampean - Famatinian cycle comprises two stages. Metallogenic stage 2 (Neoproterozoic - early Cambrian) corresponds to the pampean orogenic cycle, during which numerous deformation structures and magmatism were developed. During this stage magmatic-metamorphic occurrences of Fe-Ti in ultramafic and mafic dikes in mantle tectonites, metasomatic occurrences of Fe-Ti in rodingites and Be-Li-U-ETR rich pegmatites were generated, besides transformation events comprising metamorphism, deformation, remobilization and recrystallization occurred in deposits of Cr, Cu-Fe (Zn-Au-AgCo), W (B-F-Zn), Cu (Au-Ag), Pb-Zn (Ag-Cu-Au) and Fe, which affected their magnetic response.Ore deposits and occurrences included in the above metallogenic stages are distributed in this study in belts related to megastructures activated during the Prepampean and Pampean cycles and the most significant petrogenetic associations are indicated. |
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Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeanoMetalogénesisSierras Pampeanas de Córdoba y sur de Santiago del EsteroFajas mineralizadasCorrelación yacimientológica prepampeana - pampeanaMetallogenic evolution of the Sierras Pampeanas of Córdoba and south of Santiago del Estero: Prepampean and Pampean cycles. This hypothesis of metallogenic evolution of the Sierras Pampeaneas of Córdoba and south of Santiago del Estero proposes the existence of five metallogenic stages, two of wich are treated in this paper: stage 1 belongs to the prepampean extensional cycle and is connected with the Neoproterozoic opening and expansion of the proto-Atlantic ocean. During this stage submarine volcanogenic deposits were developed such as Cu-Fe (Zn-Au-Ag-Co) in basalts, W (B-F-Zn) in impure limestones and dolomites, and Fe in silicoclastic sediments, as well as transition occurrences from them to MVT deposits of Cu (Au-Ag) and PbZn (Ag-Cu-Au) in impure limestones and dolomites. Chromite magmatic deposits in mantle tectonites and of Fe-Ti in ultramaficmafic rocks in the transition crust-mantle zone are also related to stage 1. Distribution of the Prepampean deposits and their space relationship with the main submarine volcanogenic, SEDEX and MVT areas in the proto-atlantic ocean are placed on a global reconstruction for Neoproterozoic age. The compressive Pampean - Famatinian cycle comprises two stages. Metallogenic stage 2 (Neoproterozoic - early Cambrian) corresponds to the pampean orogenic cycle, during which numerous deformation structures and magmatism were developed. During this stage magmatic-metamorphic occurrences of Fe-Ti in ultramafic and mafic dikes in mantle tectonites, metasomatic occurrences of Fe-Ti in rodingites and Be-Li-U-ETR rich pegmatites were generated, besides transformation events comprising metamorphism, deformation, remobilization and recrystallization occurred in deposits of Cr, Cu-Fe (Zn-Au-AgCo), W (B-F-Zn), Cu (Au-Ag), Pb-Zn (Ag-Cu-Au) and Fe, which affected their magnetic response.Ore deposits and occurrences included in the above metallogenic stages are distributed in this study in belts related to megastructures activated during the Prepampean and Pampean cycles and the most significant petrogenetic associations are indicated.La hipótesis de evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero propone cinco estadios metalogenéticos, de los cuales los dos primeros se abordan en este trabajo: el estadio 1 - vinculado con la apertura y expansión neoproterozoica del océano proto-atlántico - forma parte del ciclo extensional prepampeano. Durante el mismo se generaron depósitos volcanogénicos submarinos de Cu-Fe (Zn-Au-Ag-Co) en basaltos, W (B-F-Zn) en calizas y dolomías impuras y Fe en sedimentos silicoclásticos, y manifestaciones transicionales entre éstos y MVT de Cu (Au-Ag) y Pb-Zn (Ag-Cu-Au) en calizas y dolomías impuras; a él se asocian concentraciones magmáticas de Cr en tectonitas del manto y de Fe-Ti en ultramafitas-mafitas de la zona de transición corteza-manto. En una reconstrucción global neoproterozoica, se establece la distribución de los depósitos prepampeanos y su relación espacial con los principales distritos volcanogénicos submarinos, SEDEX y MVT del océano protoatlantico.El ciclo compresional pampeano - famatiniano comprende dos estadios. El estadio metalogenético 2 (Neoproterozoico - Cámbrico temprano) corresponde al ciclo orogénico pampeano, durante el cual se desarrollaron numerosas estructuras deformacionales y magmatismo, generándose manifestaciones magmático-metamórficas de Fe-Ti en diques ultramáficos y máficos en tectonitas del manto, manifestaciones metasomáticas de Fe-Ti en rodingitas y pegmatitas portadoras de Be-Li-U-ETR, además de transformaciones (metamorfismo, deformación, removilización y recristalización) en depósitos de Cr, Cu-Fe (Zn-Au-Ag-Co), W (B-F-Zn), Cu (Au-Ag), Pb-Zn (Ag-Cu-Au) y Fe, que condicionan su respuesta magnética. Para los depósitos y manifestaciones de los estadios metalogenéticos descriptos se propone una distribución espacial según fajas vinculadas con megaestructuras activas a partir de los ciclos prepampeano y pampeano, y las asociaciones petrogenéticas más significativas.Revista de la Asociación Geológica Argentina2022-03-17T23:16:10Z2022-03-17T23:16:10Z2005info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfMUTTI, Diana et al. Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano. Asociación Geológica Argentina, Buenos Ayres, v. 60, n. 1, p. 104-121 2005.1851-8249http://www.repositorio.ufc.br/handle/riufc/64485Mutti, DianaMarco, Alejandro diTourn, SelviaHerrmann, CarlosGeuna, Silvanainfo:eu-repo/semantics/openAccessspareponame:Repositório Institucional da Universidade Federal do Ceará (UFC)instname:Universidade Federal do Ceará (UFC)instacron:UFC2023-10-10T17:24:03Zoai:repositorio.ufc.br:riufc/64485Repositório InstitucionalPUBhttp://www.repositorio.ufc.br/ri-oai/requestbu@ufc.br || repositorio@ufc.bropendoar:2024-09-11T18:18:10.913351Repositório Institucional da Universidade Federal do Ceará (UFC) - Universidade Federal do Ceará (UFC)false |
dc.title.none.fl_str_mv |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
title |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
spellingShingle |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano Mutti, Diana Metalogénesis Sierras Pampeanas de Córdoba y sur de Santiago del Estero Fajas mineralizadas Correlación yacimientológica prepampeana - pampeana |
title_short |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
title_full |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
title_fullStr |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
title_full_unstemmed |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
title_sort |
Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano |
author |
Mutti, Diana |
author_facet |
Mutti, Diana Marco, Alejandro di Tourn, Selvia Herrmann, Carlos Geuna, Silvana |
author_role |
author |
author2 |
Marco, Alejandro di Tourn, Selvia Herrmann, Carlos Geuna, Silvana |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Mutti, Diana Marco, Alejandro di Tourn, Selvia Herrmann, Carlos Geuna, Silvana |
dc.subject.por.fl_str_mv |
Metalogénesis Sierras Pampeanas de Córdoba y sur de Santiago del Estero Fajas mineralizadas Correlación yacimientológica prepampeana - pampeana |
topic |
Metalogénesis Sierras Pampeanas de Córdoba y sur de Santiago del Estero Fajas mineralizadas Correlación yacimientológica prepampeana - pampeana |
description |
Metallogenic evolution of the Sierras Pampeanas of Córdoba and south of Santiago del Estero: Prepampean and Pampean cycles. This hypothesis of metallogenic evolution of the Sierras Pampeaneas of Córdoba and south of Santiago del Estero proposes the existence of five metallogenic stages, two of wich are treated in this paper: stage 1 belongs to the prepampean extensional cycle and is connected with the Neoproterozoic opening and expansion of the proto-Atlantic ocean. During this stage submarine volcanogenic deposits were developed such as Cu-Fe (Zn-Au-Ag-Co) in basalts, W (B-F-Zn) in impure limestones and dolomites, and Fe in silicoclastic sediments, as well as transition occurrences from them to MVT deposits of Cu (Au-Ag) and PbZn (Ag-Cu-Au) in impure limestones and dolomites. Chromite magmatic deposits in mantle tectonites and of Fe-Ti in ultramaficmafic rocks in the transition crust-mantle zone are also related to stage 1. Distribution of the Prepampean deposits and their space relationship with the main submarine volcanogenic, SEDEX and MVT areas in the proto-atlantic ocean are placed on a global reconstruction for Neoproterozoic age. The compressive Pampean - Famatinian cycle comprises two stages. Metallogenic stage 2 (Neoproterozoic - early Cambrian) corresponds to the pampean orogenic cycle, during which numerous deformation structures and magmatism were developed. During this stage magmatic-metamorphic occurrences of Fe-Ti in ultramafic and mafic dikes in mantle tectonites, metasomatic occurrences of Fe-Ti in rodingites and Be-Li-U-ETR rich pegmatites were generated, besides transformation events comprising metamorphism, deformation, remobilization and recrystallization occurred in deposits of Cr, Cu-Fe (Zn-Au-AgCo), W (B-F-Zn), Cu (Au-Ag), Pb-Zn (Ag-Cu-Au) and Fe, which affected their magnetic response.Ore deposits and occurrences included in the above metallogenic stages are distributed in this study in belts related to megastructures activated during the Prepampean and Pampean cycles and the most significant petrogenetic associations are indicated. |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005 2022-03-17T23:16:10Z 2022-03-17T23:16:10Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
MUTTI, Diana et al. Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano. Asociación Geológica Argentina, Buenos Ayres, v. 60, n. 1, p. 104-121 2005. 1851-8249 http://www.repositorio.ufc.br/handle/riufc/64485 |
identifier_str_mv |
MUTTI, Diana et al. Evolución metalogenética de las Sierras Pampeanas de Córdoba y sur de Santiago del Estero: ciclos prepampeano y pampeano. Asociación Geológica Argentina, Buenos Ayres, v. 60, n. 1, p. 104-121 2005. 1851-8249 |
url |
http://www.repositorio.ufc.br/handle/riufc/64485 |
dc.language.iso.fl_str_mv |
spa |
language |
spa |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Revista de la Asociación Geológica Argentina |
publisher.none.fl_str_mv |
Revista de la Asociación Geológica Argentina |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da Universidade Federal do Ceará (UFC) instname:Universidade Federal do Ceará (UFC) instacron:UFC |
instname_str |
Universidade Federal do Ceará (UFC) |
instacron_str |
UFC |
institution |
UFC |
reponame_str |
Repositório Institucional da Universidade Federal do Ceará (UFC) |
collection |
Repositório Institucional da Universidade Federal do Ceará (UFC) |
repository.name.fl_str_mv |
Repositório Institucional da Universidade Federal do Ceará (UFC) - Universidade Federal do Ceará (UFC) |
repository.mail.fl_str_mv |
bu@ufc.br || repositorio@ufc.br |
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1813028745405005824 |