Journal ArticleDOI
Quaternary stratigraphy of Norden, a proposal for terminology and classification
TLDR
In this paper, a proposal for a common chronostratigraphical classification of the Quaternary in Norden (and partly continental NW Europe) is made, based on the sequence of glacials/interglacials.Abstract:
Principles and terminology for classification of the Quaternary are discussed, including lithostratigraphy, biostratigraphy. morphostratigraphy, climatostratigraphy and chronostratigraphy. The main conclusion is a proposal for a common chronostratigraphical classification of the Quaternary in Norden (and partly continental NW Europe). The Quaternary is subdivided into the Pleistocene and the Holocene Series. The Pleistocene is further subdivided into several provisional stages (Weichselian, Eemian, etc.), based on the sequence of glacials/interglacials. but with the boundaries preferably defined by stratotypes. The Late Weichselian and the Flandrian (Holocene) are subdivided into chronozoncs (Bolling, Older Dryas, Allerod, Younger Dryas, Preboreal, Boreal, Atlantic, Subboreal, Subatlantic) with the boundaries dcfined in conventional radiocarbon years.read more
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Deglaciation and late-glacial climate change in the White Mountains, New Hampshire, USA
Woodrow B Thompson,Christopher C. Dorion,John C. Ridge,Greg Balco,Brian K. Fowler,Kristen M. Svendsen +5 more
TL;DR: In this article, the age of the western part of the WMMS is constrained to 14.0-13.8 cal ka BP by glacial Lake Hitchcock varves that occur beneath and above the Littleton-Bethlehem (L-B) readvance and deposition of the extensive White Mountain Moraine System (WMMS).
Journal ArticleDOI
The micromorphology of younger dryas-aged black mats from nevada, arizona, texas and new mexico
TL;DR: In this article, micromorphological and geochemical analyses of 25 black mats dating to the Younger Dryas Chronozone (12.9-11.7-ka) and early Holocene were conducted to determine their composition and depositional environment.
Journal ArticleDOI
Palynological investigation of a Late Quaternary calcareous tufa and travertine deposit: the case study of Bagnoli in the Valdelsa Basin (Tuscany, central Italy)
Marianna Ricci,Adele Bertini,Enrico Capezzuoli,Nada Horvatincic,Julian E. Andrews,Séverine Fauquette,Mariaelena Fedi +6 more
TL;DR: In this paper, a Late Quaternary continental succession in central Italy (Bagnoli, Valdelsa Basin) was investigated with palynology, 14 C dating and stable isotopic techniques.
Journal ArticleDOI
Late glacial climate in northern Eurasia: The last climatic cycle
TL;DR: In this article, palynomorphic, Coleoptera, mammalian and geomorphic evidence throughout Europe indicates that three distinctive cooling phases, designated Older, Middle and Younger Dryas, can be recognized during Late Glacial time.
Journal ArticleDOI
Centennial-scale lake-level lowstand at Lake Uddelermeer (The Netherlands) indicates changes in moisture source region prior to the 2.8-kyr event
Stefan Engels,M.A.J. Bakker,Sjoerd Bohncke,C. Cerli,Wim Z. Hoek,Boris Jansen,T. Peters,Hans Renssen,Dirk Sachse,J. van Aken,V. van den Bos,B. van Geel,R. van Oostrom,T.G. Winkels,M. Wolma +14 more
TL;DR: In this paper, a 15.6m-long sediment record was retrieved from the deepest part of the sedimentary basin and an age-depth model was developed using radiocarbon dating, 210Pb dating, and Bayesian modeling.
References
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Journal ArticleDOI
Half-life of Radiocarbon
TL;DR: The Fifth Radiocarbon Dating Conference, meeting at Cambridge (see p. 943 of this issue of Nature), adopted the following resolution as discussed by the authors, which determined the 1.1 − 3 of the half-life of carbon-14.
Journal Article
Late Quaternary foraminifera from Vendsyssel, Denmark and Sandnes, Norway
Abstract: Rolf W. Feyling-Hanssen: Weichselian interstadial Foraminifera from the Sandnes-Jæren area. Five shallow borings in the town of Sandnes, south of Stavanger, revealed clay deposits with marine fossils under a cover of sandy till with large blocks of Archaen rocks. This clay is called the Sandnes Clay. It is stiff and pre-consolidated, and disturbed only in the uppermost part. Four foraminiferal zones were distinguished, 1) the labradoricum-norcrossi assemblage, 2) the upper zone with scattered specimens, 3) the asklundi-bartletti assemblage, 4) the lower zone with scattered specimens. The assemblages are usually dominated by Elphidium clavatum and Cassidulina crassa, and turn out to be of Middle Weichselian (Middle Wisconsin) interstadial age. Deposits of corresponding age were found in the district of Jæren and on the island of Karmøy.
Journal ArticleDOI
Radiocarbon dating of marine shells, including a discussion of apparent age of Recent shells from Norway
TL;DR: In this paper, the authors concluded that shell dates are reliable when handled carefully and gave apparent ages from 340±75 to 550±80 years, indicating that apparent age is not a significant problem in dating of Norwegian shells.
Late-glacial flora and periglacial phenomena in the Netherlands
TL;DR: In the East of Holland, in the Province of Overijssel, there is a region that, from the point of view of landscape, is one of the most beautiful and the most interesting we know in this country as discussed by the authors.
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