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dc.contributor.author
Gulbranson, Erik L.
dc.contributor.author
Isbell, John L.
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Montañez, Isabel P.
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Limarino, Carlos Oscar
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Marenssi, Sergio Alfredo
dc.contributor.author
Meyer, Kyle
dc.contributor.author
Hull, Clara
dc.date.available
2018-01-17T15:17:46Z
dc.date.issued
2013-04
dc.identifier.citation
Meyer, Kyle; Hull, Clara; Marenssi, Sergio Alfredo; Montañez, Isabel P.; Gulbranson, Erik L.; Limarino, Carlos Oscar; et al.; Reassessment of mid-Carboniferous glacial extent in southwestern Gondwana (Rio Blanco Basin, Argentina) inferred from paleo-mass transport of diamictites; Elsevier; Gondwana Research; 25; 4; 4-2013; 1369-1379
dc.identifier.issn
1342-937X
dc.identifier.uri
http://hdl.handle.net/11336/33592
dc.description.abstract
Late Paleozoic glacial diamictites occur in many localities in western Argentina, indicating that the region was strongly affected by glaciation during the mid-Carboniferous (late Serpukhovian–early Bashkirian). In most instances these diamictites are found in steeply walled paleovalley settings in the Andean Precordillera. This study presents new data from a locality north of the Precordillera that suggests an additional, distinct, volume of ice existed in the region during the Carboniferous. The glacigenic diamictites in the Rio Blanco Basin were ultimately emplaced as gravity flows, precluding inferences of paleo-ice volume. Fold nose orientation and soft-sediment groove orientations within the diamictites indicate that the deposits were emplaced from north to south, suggesting that glacial ice was most likely not sourced from the proto-Precordillera at this locality, requiring the need for another ice center to the north of the basin. Diamictite facies indicates that the sediment was initially supplied to the study area by a warm-based glacier.
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
Late Paleozoic Ice Age
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Mass Transport
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Diamictite
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Gondwana
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Carboniferous
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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
Reassessment of mid-Carboniferous glacial extent in southwestern Gondwana (Rio Blanco Basin, Argentina) inferred from paleo-mass transport of diamictites
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-16T18:02:03Z
dc.journal.volume
25
dc.journal.number
4
dc.journal.pagination
1369-1379
dc.journal.pais
Países Bajos
dc.journal.ciudad
Ámsterdam
dc.description.fil
Fil: Gulbranson, Erik L.. University of California at Davis; Estados Unidos. University of Wisconsin; Estados Unidos
dc.description.fil
Fil: Isbell, John L.. University of Wisconsin; Estados Unidos
dc.description.fil
Fil: Montañez, Isabel P.. University of California at Davis; Estados Unidos
dc.description.fil
Fil: Limarino, Carlos Oscar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Marenssi, Sergio Alfredo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina
dc.description.fil
Fil: Meyer, Kyle. University of California at Davis; Estados Unidos
dc.description.fil
Fil: Hull, Clara. University of California at Davis; Estados Unidos
dc.journal.title
Gondwana Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1342937X13001172
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.gr.2013.03.017
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