Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru

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5 páginas
Detalles Bibliográficos
Autores: Boekhout, Flora, Spikings, Richard A., Acosta Pereira, Harmuth, Alvan De la Cruz, Aldo Alfonso, Schaltegger, Urs, Núñez del Prado Simons, Hernando
Formato: objeto de conferencia
Fecha de Publicación:2008
Institución:Instituto Geológico, Minero y Metalúrgico
Repositorio:INGEMMET-Institucional
Lenguaje:inglés
OAI Identifier:oai:repositorio.ingemmet.gob.pe:20.500.12544/3376
Enlace del recurso:https://hdl.handle.net/20.500.12544/3376
Nivel de acceso:acceso abierto
Materia:Estratigrafía
Geocronología
Geodinámica
Rocas sedimentarias
Rocas volcánicas
http://purl.org/pe-repo/ocde/ford#1.05.00
http://purl.org/pe-repo/ocde/ford#1.05.06
Formación Chocolate
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dc.title.es_PE.fl_str_mv Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
title Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
spellingShingle Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
Boekhout, Flora
Estratigrafía
Geocronología
Geodinámica
Rocas sedimentarias
Rocas volcánicas
http://purl.org/pe-repo/ocde/ford#1.05.00
http://purl.org/pe-repo/ocde/ford#1.05.06
Formación Chocolate
title_short Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
title_full Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
title_fullStr Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
title_full_unstemmed Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
title_sort Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
author Boekhout, Flora
author_facet Boekhout, Flora
Spikings, Richard A.
Acosta Pereira, Harmuth
Alvan De la Cruz, Aldo Alfonso
Schaltegger, Urs
Núñez del Prado Simons, Hernando
author_role author
author2 Spikings, Richard A.
Acosta Pereira, Harmuth
Alvan De la Cruz, Aldo Alfonso
Schaltegger, Urs
Núñez del Prado Simons, Hernando
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Boekhout, Flora
Spikings, Richard A.
Acosta Pereira, Harmuth
Alvan De la Cruz, Aldo Alfonso
Schaltegger, Urs
Núñez del Prado Simons, Hernando
dc.subject.es_PE.fl_str_mv Estratigrafía
Geocronología
Geodinámica
Rocas sedimentarias
Rocas volcánicas
topic Estratigrafía
Geocronología
Geodinámica
Rocas sedimentarias
Rocas volcánicas
http://purl.org/pe-repo/ocde/ford#1.05.00
http://purl.org/pe-repo/ocde/ford#1.05.06
Formación Chocolate
dc.subject.ocde.es_PE.fl_str_mv http://purl.org/pe-repo/ocde/ford#1.05.00
http://purl.org/pe-repo/ocde/ford#1.05.06
dc.subject.geology.es_PE.fl_str_mv Formación Chocolate
description 5 páginas
publishDate 2008
dc.date.accessioned.none.fl_str_mv 2021-10-20T17:00:08Z
dc.date.available.none.fl_str_mv 2021-10-20T17:00:08Z
dc.date.issued.fl_str_mv 2008
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dc.identifier.citation.es_PE.fl_str_mv Boekhout, F.; Spikings, R.; Acosta, H.; Alvan, A.; Schaltegger, U. & Núñez, H. (2008) - Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru. En: Congreso Peruano de Geología, 14, Lima, 2008. Resúmenes. Lima: Sociedad Geológica del Perú, 5 p.
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12544/3376
dc.identifier.bibliographicCitation.es_PE.fl_str_mv XIV Congreso Peruano de Geología, Lima, 29 setiembre - 3 octubre 2008. Resúmenes.
identifier_str_mv Boekhout, F.; Spikings, R.; Acosta, H.; Alvan, A.; Schaltegger, U. & Núñez, H. (2008) - Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru. En: Congreso Peruano de Geología, 14, Lima, 2008. Resúmenes. Lima: Sociedad Geológica del Perú, 5 p.
XIV Congreso Peruano de Geología, Lima, 29 setiembre - 3 octubre 2008. Resúmenes.
url https://hdl.handle.net/20.500.12544/3376
dc.language.iso.es_PE.fl_str_mv eng
language eng
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dc.format.es_PE.fl_str_mv application/pdf
dc.coverage.spatial.es_PE.fl_str_mv Región sur
Arequipa
Ica
Moquegua
Tacna
Perú
dc.publisher.es_PE.fl_str_mv Sociedad Geológica del Perú
dc.publisher.country.es_PE.fl_str_mv PE
dc.source.es_PE.fl_str_mv Repositorio Institucional INGEMMET
Instituto Geológico, Minero y Metalúrgico – INGEMMET
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spelling Boekhout, FloraSpikings, Richard A.Acosta Pereira, HarmuthAlvan De la Cruz, Aldo AlfonsoSchaltegger, UrsNúñez del Prado Simons, HernandoRegión surArequipaIcaMoqueguaTacnaPerú2021-10-20T17:00:08Z2021-10-20T17:00:08Z2008Boekhout, F.; Spikings, R.; Acosta, H.; Alvan, A.; Schaltegger, U. & Núñez, H. (2008) - Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru. En: Congreso Peruano de Geología, 14, Lima, 2008. Resúmenes. Lima: Sociedad Geológica del Perú, 5 p.https://hdl.handle.net/20.500.12544/3376XIV Congreso Peruano de Geología, Lima, 29 setiembre - 3 octubre 2008. Resúmenes.5 páginasThe westem margin of the South American Plate is the Earth's longest lived active continental margin, and hence serves as the type locality for active margin orogenic processes. The Tertiary evolution of the margin has been studied in detail (Dewey and Lamb, 1992), whereas the Mesozoic and older history is still poorly constrained. Our study aims to reconstruct the late Triassic(?)- Jurassic evolution of the southern Peruvian margin and to constrain the age, chemistry, and palaeogeographic setting of volcanic-sedimentary arc sequences in the Arequipa Terrane. The Triassic-Jurassic transition in southern Peru is characterized by a cessation of continental extension (the "Mitu" rift) and renewed subduction related magmatism along the present-day coastline and inland region of the Arequipa massif, south of 12'S. Several continuous rock sections proximal to the coast of the Arequipa Terrane are interpreted to have originated in a continental are setting, which possibly commenced in the later Triassic (?) to Jurassic (Sempere et al., 2002). We speculate that the extensional geodynamic scenario which formed the Mitu Rift, may have terminated during renewed (orthogonal) subduction, giving rise to active margin magmatism. Understanding the timing and nature of Jurassic arc magmatism will also shed light on the reasons for the lack of Jurassic rocks in the 'craton-free zone', north of 12'S (north of Lima). Our project commenced with a detailed investigation of the Jurassic sedimentary and volcanic rocks along the Peruvian coastline between 15'S and 18.5'S The distribution and depositional ages of Jurassic are sequences are only tentatively constrained by inaccurate radiometric age data, and sparse fossil data (Martinez et al, unpublished) We will derive an accurate chronestratigraphic framework for the are sequences using the UPb and Ar Ar dating techniques. Furthermore, a detailed description of the facies distribution of both volcanic and sedimentary rocks, combined with a geochemical study, will allow us to distinguish between back-ure and continental arc volcanism, and hence constrain the tectonic and paleogeographic evolution of the region.application/pdfengSociedad Geológica del PerúPEinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/4.0/deed.esRepositorio Institucional INGEMMETInstituto Geológico, Minero y Metalúrgico – INGEMMETreponame:INGEMMET-Institucionalinstname:Instituto Geológico, Minero y Metalúrgicoinstacron:INGEMMETEstratigrafíaGeocronologíaGeodinámicaRocas sedimentariasRocas volcánicashttp://purl.org/pe-repo/ocde/ford#1.05.00http://purl.org/pe-repo/ocde/ford#1.05.06Formación ChocolateAge and geodymamic setting of Jurassic arc volcanism in southern coastal Peruinfo:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/publishedVersionORIGINALBoekhout-Age_geodynamic_setting_jurassic-Peru.pdfBoekhout-Age_geodynamic_setting_jurassic-Peru.pdfArtículo de congresoapplication/pdf2216720https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/1/Boekhout-Age_geodynamic_setting_jurassic-Peru.pdf3e377f755b9a78c4acb2e3d5763898caMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81567https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/3/license.txtecccc10c448afdeacc04912e07a3ed65MD53TEXTBoekhout-Age_geodynamic_setting_jurassic-Peru.pdf.txtBoekhout-Age_geodynamic_setting_jurassic-Peru.pdf.txtExtracted texttext/plain5https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/4/Boekhout-Age_geodynamic_setting_jurassic-Peru.pdf.txtcc9067c2ee470dc248b14b194209a34eMD54Boekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.txtBoekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.txtExtracted texttext/plain13130https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/6/Boekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.txt1ace51ce9dc54f4b53363f1d26a98bd0MD56THUMBNAILBoekhout-Age_geodynamic_setting_jurassic-Peru.pdf.jpgBoekhout-Age_geodynamic_setting_jurassic-Peru.pdf.jpgGenerated Thumbnailimage/jpeg18151https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/5/Boekhout-Age_geodynamic_setting_jurassic-Peru.pdf.jpgf91966fd3e9c0a98f78c819eae508198MD55Boekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.jpgBoekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.jpgGenerated Thumbnailimage/jpeg21348https://repositorio.ingemmet.gob.pe/bitstream/20.500.12544/3376/7/Boekhout-Age_geodynamic_setting_jurassic-Peru-ocr.pdf.jpg86bf350b33350b3a9ab61451e2e8d752MD5720.500.12544/3376oai:repositorio.ingemmet.gob.pe:20.500.12544/33762025-10-23 10:39:57.393Repositorio Institucional INGEMMETrepositorio@ingemmet.gob.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
score 13.810047
Age and geodymamic setting of Jurassic arc volcanism in southern coastal Peru
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