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dc.contributor.author
Aparicio Gonzalez, Pamela Alejandra
dc.contributor.author
Pimentel, Marcio
dc.contributor.author
Hauser, Natalia
dc.contributor.author
Moya, Maria Cristina
dc.date.available
2017-12-11T21:13:36Z
dc.date.issued
2013-10
dc.identifier.citation
Aparicio Gonzalez, Pamela Alejandra; Pimentel, Marcio ; Hauser, Natalia; Moya, Maria Cristina; U-Pb LA-ICP-MS geochronology of detrital zircon grains from low-grade metasedimentary rocks (Neoproterozoic - Cambrian) of the Mojotoro Range, northwest Argentina; Elsevier; Journal of South American Earth Sciences; 49; 10-2013; 39-50
dc.identifier.issn
0895-9811
dc.identifier.uri
http://hdl.handle.net/11336/30203
dc.description.abstract
The first results of U–Pb detrital zircons were obtained in three lithostratigraphic units of the Puncoviscana Complex in NW Argentina: Chachapoyas, Alto de la Sierra and Guachos Formations. The Chachapoyas Formation has a maximum sedimentation age of 569 Ma and a minimum age of 533 Ma, based on the U–Pb age of an intrusive porphyry granitic. The Alto de la Sierra Formation, composed by sandstones and volcaniclastic rocks, has a maximum age of 543 Ma. A maximum age of 517 Ma is here reported for the deposition of the Guachos Formation, the youngest unit. The contact between the Chachapoyas and Guachos formations is by a tectonic relation, and it's probably coincident with a stratigraphic unconformity between them (unconformity Tilcara I). The Lizoite Formation is overlying by an unconformity (Tilcara II unconformity) the Puncoviscana Complex, and represents the basal unit of the Mesón Group. The provenance zircon data for that formation indicate a maximum depositional age of 513 Ma.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
U-Pb
dc.subject
Zircon Grains
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Low Grade Metasedimentary Rocks
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Mojotoro Range
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Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
U-Pb LA-ICP-MS geochronology of detrital zircon grains from low-grade metasedimentary rocks (Neoproterozoic - Cambrian) of the Mojotoro Range, northwest Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-12-11T19:31:59Z
dc.journal.volume
49
dc.journal.pagination
39-50
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Aparicio Gonzalez, Pamela Alejandra. Universidad Nacional de Salta. Facultad de Ciencias Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Pimentel, Marcio. Universidade do Brasilia; Brasil
dc.description.fil
Fil: Hauser, Natalia. Universidade do Brasilia; Brasil. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Moya, Maria Cristina. Universidad Nacional de Salta. Facultad de Ciencias Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Journal of South American Earth Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsames.2013.10.002
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0895981113001454
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