id:"swepub:oai:lup.lub.lu.se:37e5f53f-3e69-4624-8ca4-bdef1f1ffde2"
Search: id:"swepub:oai:lup.lub.lu.se:37e5f53f-3e69-4624-8ca4-bdef1f1ffde2" > Late Quaternary gla...
- 1 of 1
- Previous record
- Next record
- To hitlist
Late Quaternary glaciation history of Isla de los Estados, southeasternmost South America
-
- Möller, Per (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
-
- Hjort, Christian (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
-
- Björck, Svante (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
- show more...
- Rabassa, Jorge (author)
- Federico Ponce, Juan (author)
- show less...
- (creator_code:org_t)
- 2017-01-20
- 2010
- English.
- In: Quaternary Research. - : Cambridge University Press (CUP). - 0033-5894 .- 1096-0287. ; 73:3, s. 521-534
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- Isla 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 C-14 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. (C) 2010 University of Washington. Published by Elsevier Inc. All rights reserved.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Keyword
- Tierra del Fuego
- Isla de los Estados
- South America
- Glacial geology
- Glacial chronology
- Quaternary history
- Glacial sedimentology
Publication and Content Type
- art (subject category)
- ref (subject category)
Find in a library
- Quaternary Research (Search for host publication in LIBRIS)
To the university's database
- 1 of 1
- Previous record
- Next record
- To hitlist
Find more in SwePub
- By the author/editor
- Möller, Per
- Hjort, Christian
- Björck, Svante
- Rabassa, Jorge
- Federico Ponce, ...
- About the subject
-
- NATURAL SCIENCES
- NATURAL SCIENCES
- and Earth and Relate ...
- and Geology
- Articles in the publication
- Quaternary Resea ...
- By the university
- Lund University
Search outside SwePub
- Extend your search to:
- Google Book Search
- Google Scholar
Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.
- Copyright © LIBRIS - National Library Systems
- LIBRIS.kb.se
