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dc.creatorMöller, Per-
dc.creatorHjort, Christian-
dc.creatorBjörck, Svante-
dc.creatorRabassa, Jorge Oscar-
dc.creatorPonce, Juan Federico-
dc.date2017-02-07T18:37:16Z-
dc.date2017-02-07T18:37:16Z-
dc.date2010-05-
dc.date2017-02-07T18:02:51Z-
dc.date.accessioned2019-04-29T15:57:22Z-
dc.date.available2019-04-29T15:57:22Z-
dc.identifierMöller, Per; Hjort, Christian; Björck, Svante; Rabassa, Jorge Oscar; Ponce, Juan Federico; Late quaternary glaciation history of Isla de los Estados, southeasternmost South America; Univ Washington; Quaternary Research; 73; 3; 5-2010; 521-534-
dc.identifier0033-5894-
dc.identifierhttp://hdl.handle.net/11336/12666-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/306163-
dc.descriptionIsla de los Estados is a mountainous island southeast of Tierra del Fuego, in southernmost South America. Its central and eastern parts have an alpine topography, transected by U-shaped valleys, small, partly over-deepened fjords, and a multitude of abandoned cirques, all associated with extensive former local glaciations. Traces of glacial erosion generally reach 400–450 m a.s.l., and above that trimline a distinct sharp-edged nunatak derived landscape is present. The westernmost part of the island has a lower, more subdued topography, reflecting its "softer" geology but possibly also over-running and erosion by mainland-derived ice streams. The present study concentrated on glacigenic sediment sequences exposed along coastal erosional cliffs. A combination of OSL and 14C datings show that these sediments mostly date from the latest (Wisconsinan/Weichselian) glacial cycle, i.e. from the last ca. 100 ka with the oldest (glaciolacustrine) deposits possibly as old as 90–80 ka. The upper parts of overlying tills, with associated lateral and terminal moraines from glaciers that expanded onto an eustatically exposed dry shelf north of the island, date from the last global glacial maximum (LGM). Radiocarbon ages of peat and lake sediments indicate that deglaciation began 17–16 cal ka BP.-
dc.descriptionFil: Möller, Per. Lund University; Suecia-
dc.descriptionFil: Hjort, Christian. Lund University; Suecia-
dc.descriptionFil: Björck, Svante. Lund University; Suecia-
dc.descriptionFil: Rabassa, Jorge Oscar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Geología del Cuaternario; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universidad Nacional de la Patagonia; Argentina-
dc.descriptionFil: Ponce, Juan Federico. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Cátedra de Geología del Cuaternario; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherUniv Washington-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/quaternary-research/article/div-classtitlelate-quaternary-glaciation-history-of-isla-de-los-estados-southeasternmost-south-americadiv/E838E5094D54FF96A11FACEA5F77E0CE-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.yqres.2010.02.004-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectIsla de los Estados-
dc.subjectTierra del Fuego-
dc.subjectSouth America-
dc.subjectglacial geology-
dc.subjectquaternary history-
dc.subjectglacial chronology-
dc.subjectglacial sdimentology-
dc.subjectGeología-
dc.subjectCiencias de la Tierra y relacionadas con el Medio Ambiente-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleLate quaternary glaciation history of Isla de los Estados, southeasternmost South America-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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