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dc.contributor.author
Torre, Gabriela
dc.contributor.author
Gaiero, Diego Marcelo
dc.contributor.author
Cosentino, Nicolas Juan
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Coppo, Renata
dc.contributor.author
Oliveira Sawakuchi, André
dc.date.available
2021-02-09T11:18:43Z
dc.date.issued
2019-09
dc.identifier.citation
Torre, Gabriela; Gaiero, Diego Marcelo; Cosentino, Nicolas Juan; Coppo, Renata; Oliveira Sawakuchi, André; New insights on sources contributing dust to the loess record of the western edge of the Pampean Plain during the transition from the late MIS 2 to the early Holocene; Sage Publications Ltd; Holocene (Seven Oaks); 30; 4; 9-2019; 537-545
dc.identifier.issn
0959-6836
dc.identifier.uri
http://hdl.handle.net/11336/125169
dc.description.abstract
High-resolution studies of palaeorecords located closer to the dust source areas of South America are relevant for increasing the knowledge on past climatic conditions in the Southern Hemisphere. In this sense, the Pampean loess archives can offer explicit records of dust source, transport, and deposition in the region, providing new insights which may be used to better understand the role of dust in future climate change scenarios. In this work, we studied a loess sequence located at the westernmost Pampean Plain. The studied sequence covers a span of time from the late Marine Isotope Stage (MIS 2) period up to the early Holocene. Loess samples from this record have two grain-size populations, indicating more than one dust source area. The dominance of a coarse-silt subpopulation during the transition from the late MIS 2 to the early Holocene suggests that proximal dust sources were dominant at that time. Two of the most proximal dust sources were analyzed as probable contributors to the Lozada site: sediments derived from the Eastern Pampean Ranges and sediments derived from the shorelines of the Mar Chiquita Lake. The geochemical data suggest that neither area was a significant dust source to the eastern Pampean Plain during the studied interval. Instead, our geochemical data suggest a dominant supply from a southern and relatively closer area, linked to the foothills of the Andes, and the increased activation during the early Holocene of a more distant source to the north in the Puna region, which contributed finer loess.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Sage Publications Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
EARLY HOLOCENE
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GRAIN-SIZE
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LOESS
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PAMPAS
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PROVENANCE
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REE
dc.subject.classification
Geoquímica y Geofísica
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
New insights on sources contributing dust to the loess record of the western edge of the Pampean Plain during the transition from the late MIS 2 to the early Holocene
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-25T16:11:33Z
dc.identifier.eissn
1477-0911
dc.journal.volume
30
dc.journal.number
4
dc.journal.pagination
537-545
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Torre, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Gaiero, Diego Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Cosentino, Nicolas Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Coppo, Renata. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Oliveira Sawakuchi, André. Universidade de Sao Paulo; Brasil
dc.journal.title
Holocene (Seven Oaks)
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/10.1177/0959683619875187
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1177/0959683619875187
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