2013
DOI: 10.1017/s0954102012000788
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Chronostratigraphy of the sedimentary record of Limnopolar Lake, Byers Peninsula, Livingston Island, Antarctica

Abstract: Abstract:The chronostratigraphy of the sedimentary record of Limnopolar Lake, located on Byers Peninsula (Livingston Island, South Shetland Islands, Maritime Antarctica), is described based on radionuclides and radiocarbon age dating. The oldest moss macrofossil age was 6700 ± 50 yr BP (7510 ± 80 cal yr BP) from which the age/depth model estimates a basal age for the sedimentary record of c. 8300 cal yr BP, suggesting an earlier deglaciation of Byers Peninsula than reported in previous studies. Lithological un… Show more

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Cited by 49 publications
(72 citation statements)
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References 37 publications
(53 reference statements)
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“…Studies on the glacial history of the South Shetland Islands point out the deglaciation of some capes and peninsulas at around 11 to 9.5 ka BP. On Fildes Peninsula the deglaciation begun between 11 and 9 ka ago (Watcham et al, 2011), and on King George Island (Potter Peninsula) between 11.9 and 5.9 ka while on Byers Peninsula an age of 8.3-5.9 ka has been determined (Toro et al, 2013, Oliva et al, 2016. A regional advance between 6 and 4.5 ka BP (Hall, 2010;Michalchuck et al, 2009) has been detected after a period with less cold conditions between 8.2 and 5.9 ka (Milliken et al 2009).…”
Section: Mapping Results In Selected Areas Of the South Shetland Islandsmentioning
confidence: 97%
“…Studies on the glacial history of the South Shetland Islands point out the deglaciation of some capes and peninsulas at around 11 to 9.5 ka BP. On Fildes Peninsula the deglaciation begun between 11 and 9 ka ago (Watcham et al, 2011), and on King George Island (Potter Peninsula) between 11.9 and 5.9 ka while on Byers Peninsula an age of 8.3-5.9 ka has been determined (Toro et al, 2013, Oliva et al, 2016. A regional advance between 6 and 4.5 ka BP (Hall, 2010;Michalchuck et al, 2009) has been detected after a period with less cold conditions between 8.2 and 5.9 ka (Milliken et al 2009).…”
Section: Mapping Results In Selected Areas Of the South Shetland Islandsmentioning
confidence: 97%
“…Las dataciones de 14 C-AMS fueron procesadas por el Radiochronology Laboratory del Centre d'Études Nordiques de la Universidad Laval (Canadá), mientras que las muestras de TL fueron analizadas en el Instituto Universitario de Geología de la Universidad de A Coruña (España). Todas las dataciones radiocarbóni-cas se han llevado a cabo sobre restos macroscópicos de musgos acuáticos ya que éstos han demostrado ser la forma más fiable de obtener modelos cronológicos robustos (Toro et al, 2013).…”
Section: Metodologíaunclassified
“…Las dataciones de los sedimentos lacustres de los lagos Chester, Escondido, Cerro Negro y Domo se suman al trabajo ya publicado sobre el lago Limnopolar (Toro et al, 2013).…”
Section: Península Byersunclassified
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