This paper aims to provide an overview concerning the optically stimulated luminescence OSL dating method and its applications for geomorphological research in France. An outline of the general physical principles of luminescence dating is given. A case study of fluvial sands from the lower terrace of the Moselle valley is then presented to describe the range of field and laboratory procedures required for successful luminescence dating. The paper also reviews the place of OSL dating in geomorphological research in France and assesses its potential for further research, by focusing on the diversity of sedimentary environments and topics to which it can be usefully applied. Hence it underlines the increasing importance of the method to geomorphological research, especially by contributing to the development of quantitative geomorphology.
Mycenean wall, the Khasek emui Egyptian tomb and a. Blo ckho use i n Ar go lid Liritzis et al. These applications followed a synthesis of.
OSL an d TL propert ies of various rock ty pes gra nite. Recently, Greilich and Wagner summarized. Catalan e an - A D and, contem porary ages us ed. These ages are in con cordance with h istor i. Finall y, Strofilas. In deal ing w ith dating of ancien t buildi ngs an d buried.
Up to o ne mm thick s lices. Greilich et a l. In l imesto nesand sto ne o r o t her. The age of a carved rock in a monum ent is found. The D. The most used protocols are:. Duller, ; Gallo way, ; Liritzis e t al.
Prior to a ny D. T his is cumberso me and res ults in hig h scatter. Applicatio n of this for mula a s sumes a linear. The problems en countered with TL of calcites led to. Liritzis a nd. Vafiadou, ; Liritzis et al.
This d evelo p ment make the OS L age s o f lim e.
Luminescence dating works best on
An e x. The rege ne ration procedure determined the apparent dose. The annua l do se - rate AD determination requires. Re mo val o f the. T h e beta dos e co ntrib u. In case e. The gamma dose is de rive d mai nl y fro m.
Dose. A The symbol s refer t o natural squares12 h circles. Gy, and c. Horizontal line i ndicates the resi dual. TL level after 24 h of bleaching. The arrow shows the equiv alent dose. Lir itzis, Corr ect ed OS L. Regeneration o f geologic al sampl e from Val ley Templ e of. The cos mic ray dose. In lim e. Colla boration. Ko kkor is a nd Liritzis, ; Liritzis and Kok koris. A basic characteristic of the surface dating is securing.
Th e sample acquisition was. Dur in g a. Reduction of lumines cence under daylight as a fun c. It is fo und that unde r SO L - 2 i llumination, t he resi d ua l. SOL 2 exposu re Table 1. T he forme r upper l ayers imply. The deeper layers indicate. The resi dual TL a s a func tio n of ma rbl e thic k ness is. Regarding slices, after a SOL2 bleaching of 1 mm. For u ltram af ic rock slide.Sampling for OSL rock surface dating @ Gurgler Alm
SOL 2 exposu re, thei r granite and m etamorph ic rock. Da ylight penetratio n. Daylig ht. Measurements on luminescence on granite s urfaces.
Bleached TL c urves for differ ent exposure times 1 — 1 h, 2 — 3. Drago n house at Kapsala, G reece. Ma rble sc hist surface c o n. Table 1. Depth mm. Exposur e tim e hours. Hab er mann et al. Thus, dur ing a 6 0 s expo sure. Sure ly, as sho wn ab ove. The results reveal an almost complete. An d for 2 min exp os ure.
The criter ia applie d to examine the s uitability of a. This n ee ds to be tested w ith the.
Liritzis, ; ; Ber ger and Hu ntle y, I n. In the case of quartz, d eco nvol utio n o f. Alternat ive ways for. TL bl eaching vers us sun exposure fo r different marble thi c k. Liritzis and Galloway Daylight transmi ssion i n mar ble slabs of different t hickness es. A rrows indi cate onset of sat uration.
L iritzis and Galloway, T he i dent if i. Vari ous so urc e s of error and tests and remedi es i n. Ho w. Ga mma - ray dos e - rate i s most. Use of mult iple meth ods for dos e rate e s. With due care for the. Bleachi ng rates of l uminescen ce by bl ue filled c ircles and IR ope n circl es shining of 1 mm sli ces of ul tramafic agranite b and metamo r. Fit func tions ar.
A safer procedure is to divide the inner block. Liritzis, Use of the quartz techni que the errors. Archaeological and geoarchaeological materials fr e.
Da y li ght. As such l u mines ce nce d ire ctl y. Lumi ne s. Arc h i. Schematic representat ion of a s ample removed from a wal l. Radial plots for equivalent dos e measurements from. Applicatio n to var ious par ts of the. Ada mie c G and A itken MJ, 8. Do s e - rate convert ion fa ct ors: updat e. Anci en t TL 37 - Ait ken MJ5. Thermolumin escence dating. Aca demi c Pres s, Lo n. Aitken MJ, An intro duc tio n to optic al da tin g. O x fo r d Unive rsity.
Press, Oxford : 28 0pp. Bai llif I, Developmen t of si ngle grai n OSL dat ing of c eramic. Rad i. Spat ially - resol ved m eas ur e ments o f. Radiation M easure ments 37 2 : -DOI. Dulle r GAT, Lum ines cence da ting usi ng s i n gle aliquot s: meth ods.
Radi ation Meas ure ments24 3 : -DOI. A l umi nesc ence. Ra diat ion Mea sure ment s. Optical dat ing of. R a diation. Meas urem ents 32 5 - 6 : -DOI Ga llow ay RB, 19 Stim ulatio n of lum ine scence us ing g reen l ight. Radiat ion Prot ection D o simetr y 47 1- 4 : - Opti cal da ting o f sing le and mul tiple gra ins of quartz fr om Jinm i.
Ar chaeo metr y 41 2 : -DOI. Greilic h S, 4. D Dissertat ion, Univ ersity of. Heidelberg in Germa n. Gre ilich S and W agner GA L ight thro wn on hi s tor y - The dating. Rei del and GA Wag n er, e d s.
Berlin : 27 1 - S p a t ially r esolv ed. Natur wiss ensc haften - Opt i c al dati ng of. St ep s. Radi ation M easur e. Huntley DJ and Rich ards M, The age of the Di rin g Quriakh.
D econvol ution of o ptical. Journal of Radioa nalyti cal. Ko kkoris M and L iritzis I Do se ver sus time fo r U - di. Eu ropean Journal. Lef kow itz M, Archa eology an d the p olitic s of or i g i n s. In : Garrett. Fa ganed. Misre prese nts th e Pas t and Mis leads the Pub lic. Routledge :. L iritzi s Y, 6. The signific ance of g amma sel f - dos e and beta - ranges. Li r itzis I. D ating of calcite s: Some aspects o f r a diation surve y in. Wintle AG.
A review of current research on TL dating of loess. Share Flipboard Email. Kris Hirst. Kris Hirst is an archaeologist with 30 years of field experience. Updated August 24, Pottery : The most recent heating measured in pottery sherds is assumed to represent the manufacturing event; the signal arises from quartz or feldspar in the clay or other tempering additives.
Although pottery vessels can be exposed to heat during cooking, cooking is never at sufficient levels to reset the luminescence clock.
Luminescence can also be used to determine the original firing temperature. Lithics : Raw material such as flints and cherts have been dated by TL; fire-cracked rock from hearths can also be dated by TL as long as they were fired to sufficiently high temperatures.
Luminescence Dating: Applications in Earth Sciences and Archaeology
The best success from TL dates on chipped stone artifacts likely are from events when they were deposited into a hearth and accidentally fired. Surfaces of buildings and walls : The buried elements of standing walls of archaeological ruins have been dated using optically stimulated luminescence; the derived date provides the age of burial of the surface. In other words, the OSL date on a foundation wall of a building is the last time that foundation was exposed to light before being used as the initial layers in a building, and hence when the building was first built.
Others : Some success has been found dating objects such as bone tools, bricks, mortar, mounds, and agricultural terraces. Corrected feldspars ages are in good agreement with the quartz results for both samples.
This Luminescence dating is used to date the time since last practice of reporting .. that younger samples are better suited to optical dating than to TL dating. Optically Stimulated Luminescence (OSL) can routinely measure the age of flint using OSL and TL (thermoluminescence), respectively, can provide the best means of It is crucial that at the timescale PalaeoChron is working multiple dating. Preface. These guidelines are designed to establish good practice in the use of luminescence dating for providing chronological frameworks. They provide.
Huntley et M. At a shorter time scale e. Finally, historical phases of sediment aggradation were dated, with the accuracy of the age results being confirmed by historical archives.
The method was integrated into several research topics tab. In parallel it allowed methodological improvements e. However, it is worth noting that most of the data are used for local reconstructions, and that quantitative large-scale studies e.
This might be explained by the methodological limits of the OSL method, which in particular relate to the anomalous fading of feldspars, the partial bleaching, and the age uncertainty. This latter derives from the addition of uncertainties which concern both the dose rate e. As a consequence it is important especially for old sediments not to exclude it from the interpretation. Despite these limits the weak number of publications including OSL dating in France should however not be interpreted in terms of the accuracy of the method, as it may be successfully compared with other common dating methods: i the thermoluminescence methods are commonly used for archaeological or volcanic materials, especially because of the mineral composition of the studied material.
For other sediments OSL dating is typically used as it focuses on the light-sensitive part of the signal which is faster and more completely bleached while TL also measures the non-bleachable signal Duller, ; hence OSL dating makes it possible to date younger sediments, and to reduce the occurrence of partial bleaching; ii in opposition to radiocarbon, OSL dating is applied to sediment sequences that contain no organic material.
It can also be used for longer time-scales up to several hundreds of kawhile radiocarbon cannot be used for materials older than ka. From a geomorphological point of view optical luminescence also presents the advantage that it dates directly the deposited material; iii cosmogenic dating methods are used principally for age estimates of surfaces e.
Furthermore, it is more difficult to obtain several ages on a given vertical profile, while the OSL dating methods makes it possible to get a high-resolution chronological reconstruction; iv the Electron Spin Resonance method is applicable to material that is up to several hundreds of thousands years old, but is typically applied to palaeontological remains bones or teeth. Even if accurate ages have been obtained for aeolian or fluvial sediments Antoine et al.
It is however important to try and get as often as possible an independent age-control to improve the reliability of the results. It may derive from archaeological or historical data, from the recognition of palaeoenvironmental evidence pollens, periglacial features; Wintle,or from comparison with other absolute dating techniques e.
It is however important to note that the comparisons between optical dating of quartz and independent age controls often show good correlations e.
The above-mentioned methodological limits should not be considered as fixed in regard to the constant improvements which have characterised the OSL method for more than twenty years SAR protocol, development of the small aliquots and single grain analyses, improvements in the anomalous fading estimate and in the statistical treatment, applications to new kinds of sediments.
Hence the reason justifying the rarity of studies using OSL should very likely be attributed to the lack of laboratories in France in comparison with other countries 2 laboratories in France but ca.
This fact is all the more regrettable in that research worldwide shows that the optical dating method represents one of the most useful geochronological tools in geomorphological studies. However, it is important to keep in mind that not all sediments from all sections can be successfully dated: geomorphological field expertise before sampling remains essential in order to target the sediments showing a higher probability for complete bleaching, since only these sediments will allow an accurate age to be obtained.
Methodological improvements have enlarged the field of applications, but have also supported the development of quantitative geomorphology. In the same way it is an essential tool for research focusing on the existence of morphological thresholds, or dealing with the influence of forcing e.
For example L. Clemmensen et al. Based on these statements, the perspectives for applying the OSL method to geomorphological research in France are various. This can subsequently be used for sediment budget estimation during the Pleistocene climatic cycles, completing the results presented by M.
Frechen et al. The reconstruction of coastal dune formation may actually help us to understand their dynamics, which in turn can be used to assess their response to an increase of storms and their management in a context of sea-level rise; iii in fluvial environments OSL may be applied both to sediments which lack age control as it is the case for many terrace staircases and to sediments which have already been dated using other methods such as ESR e.
From an applied point of view, the acquisition of an extensive dataset is essential for a better understanding of fluvial response to environmental changes and for sediment budget reconstructions e. This is especially the case of glaciogenic deposits especially fluvio-glacial to glacio-lacustrine which are preserved in all the French mountains and often include sand-sized deposits potentially suitable for OSL dating; v the dating of slope-deposits lato sensu may be used to achieve a better understanding of the influence of human societies on slope dynamics, as well as for hazard management.
Evidence for this is shown by the worldwide increase in the number of laboratories and publications. A similar observation has been made in the general review of S.
Stokesbut associated with the persistence of methodological problems. Ten years later, most of these problems seem to have been overcome: even if the operating procedures may vary from one laboratory to another e.
The method should therefore contribute to the development of quantitative geomorphology Singhvi and Porat,as it makes it possible to recognise sedimentary discontinuities identification and dating of the thresholds separating erosive and aggradational periodsor to estimate aggradation rates. He also wishes to gratefully acknowledge the four anonymous reviewers for their very constructive comments and advice on the first version of the manuscript. Adamiec G. Ancient TL 16, Aitken M. Academic Press, London, p.
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Luminescence properties of minerals used in dating are then incremental doses are administered on top of the natural dose and then. The best sampling strategies are those that involve communication between a geomorphologist and luminescence dating expert prior to and during the field. derived sediments are usually considered the best candidates for luminescence dating because airborne time allows ample sun exposure. Sufficient exposure.
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Luminescence dating is good for between a few hundred to (at least) several hundred thousand years, making it much more useful than carbon. Get answers to questions in Luminescence Dating from experts. or can develop to better understand the many complex ways that what has been preserved is. Luminescence dating refers to a group of methods of determining how long ago mineral grains were last exposed to sunlight or sufficient heating. It is useful to.
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Quaternaire15, Murray A. Geochronometria 21, Naton H. Prescott J. Regnault H.
Luminescence Dating - Science method
Marine Geology Rittenour T. Roberts H. Radiation measurements 42, Rodnight H. Ancient TL 26,