The AA. describe the principles of TL dating, the various methods used, and contrast TL dating of sediments with the now well-accepted TL dating of pottery. They conclude that while TL dating has the potential to solve many sedimentary problems
, more fundamental research needs to be carried out before such dates should be accepted. A set of criteria for acceptable dates is proposed.
Interlaboratory cross-check dating at Gliwice radiocarbon laboratory
The results of the first series of datings made on samples previously dated at other radiocarbon dating laboratories are presented. The comparison of results obtained at Gliwice, Hannover, Groningen, Michigan and odz gives serious support
for the accuracy of dating performed at the Gliwice Radiocarbon Dating Laboratory and indicates the lack of the systematical error. (D'après les AA.).
Absolute dating ; Aminostratigraphy ; Bibliography ; C 14 dating ; Dating ; Glacial features ; Isotope dating ; Palaeo-environment ; Palaeomagnetism ; Palaeosol ; Quaternary ; Thermoluminescence
Thermoluminescence and excess 226Ra decay dating of late Quaternary fluvial sands, East Alligator River, Australia
Australia ; C14 dating ; Dating ; Fluvial processes ; Northern Territory ; Quaternary ; Sand ; Thermoluminescence
This paper examines the suitability of fluvial deposits, some of which have been identified as flood levees, for dating by thermoluminescence (TL). It also compares the resulting TL dates with those based on the decay of excess 226Ra and on 14C.
Reconnaissance thermoluminescence dating of northern Australian coastal dune systems
Quaternary lithostratigraphic units in coastal dunes have been dated at three locations in northern Australia, Cobourg Peninsula, Shelburne Bay, and Cape Flattery, by both radiocarbon dating of shell and organic carbon and thermoluminescence (TL
) sediment dating. Seventeen TL dates were measured. None of the TL dates contradict the ages given by radiocarbon. Older dune deposits have also been dated to address the wider problem of the episodic nature of dune emplacement.
Dating recent alluvial sediments in the Wicklow Mountains
Aminostratigraphy ; C 14 dating ; Dating ; Flood ; Floodplain ; Geochronology ; Holocene ; Ireland ; Palaeosol ; Sedimentology ; Stratigraphy
Modern floodplain sediments in the Wicklow Mountains display a stratigraphy and sedimentology that contrasts them with earlier Holocene alluvium. This paper presents the results of a C 14 dating programme the objects of which were to date : a) more
definitively their commencement throughout the Wicklow Mountains, and b) their internal stratigraphies with a view to establishing a flood chronology. Although the results show that the immediate research aims cannot be achieved using C 14 dating they have lead
In this article recent developments in luminescence dating are described, together with the implications of these developments for the application of the various types of luminescence dating techniques now available. In particular, the development
of optically stimulated luminescence (OSL) techniques has had a profound effect upon the field, enabling younger materials to be dated, increasing the diversity of depositional environments that can be dated, and allowing the development of novel methods of age
A compilation of radicarbon dates from Disko Bugt, Central West Greenland
C 14 dating ; Dating ; Geochemistry ; Greenland ; Holocene ; Quaternary
This note presents 188 new and previously published radiocarbon dates on Holocene material from Disko Bugt, central West Greenland, together with relevant informations (laboraory number, place name, dated material, geographic coordinates, altitude
Thermoluminescence dating of loess at Rocourt, Belgium
Nine TL dates were obtained from a section at Rocourt. The dates were self-consistent. A date of 24.8 + 2.1 ka for a sample from the base of the Upper Weichselian loess indicated that it was part of the massive loess sheet deposited in Europe about
25 thousand years ago. The overlying decalcified loess gave dates indicating deposition after the glacial maximum. However, the proposed chronology is in disagreement with that based on radiocarbon dates on humic material. - (L'A.).
Value and risks of radiometric dating of shorelines. Geomorphological and geochronological investigations in Central Italy, Eolian Islands and Ustica (Sicily) in Dating Mediterranean shorelines.
In order to establish the relatively new ESR dating method for marine molluscs, a detailed comparison with the geological succession is strongly dependent on the species investigated and environmental conditions. For the first time
in the Mediterranean, systematic dating of several hundred samples and a cross-check with two nearly independent dating methods was completed.
Radiocarbon dating of transitions between marine and lacustrine sediments and their relation to the development of lakes
In three different areas in western Norway, large errors are obtained in the radiocarbon dates from lacustrine sediments close to marine/lacustrine sediment boundaries. Differences occur between radiocarbon and pollenanalytic dates and between dates
at isolation/ingression contacts for lakes of the same altitude above present sea-level. The dating errors are connected to periods with more oligotrophic conditions with isoetides. The isoetide vegetation and the dating errors disappear when the lakes become
Carte ; Cartographie ; Datation ; Date 1400 ; England ; Géographie historique ; Moyen Age ; Paléogéographie ; Royaume-Uni
Cartography ; Dating ; England ; Historical geography ; Map ; Middle Ages ; Palaeogeography ; United Kingdom
The date commonly given for the Gough map of Britain, about 1360, is, in the author’s opinion, wrong. Arguments that have been offered to support such a dating are invalid. The best indication of the date of the map is the writing on it, which
is essentially in a hand of about 1400, a dating endorsed by expert palaeographical opinion. Indeed, a few exceptional features of the handwriting may suggest a slightly later date. A few specific non-palaeographical features of the map confirm a date
Whereas conventional dating methods provide age control on stratigraphic profiles, surface exposure dating methods an especially suitable for geographic problems, such as analyzing not only temporal, but also spatial variation in the rates
Recent progress in Quaternary dating methods. Special issue
Archaeology ; Dating ; Methodology ; Quaternary ; Sediment filling
This volume of Quaternary Science Journal comprises a number of articles reviewing the present status of physical dating methods in Quaternary research, with a special focus on continental deposits and archaeological materials. The ten articles
in the present volume aim to provide the non-specialist with an overview on the physical basis of different dating approaches. - (IfL)