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Les sables de Fontainebleau : A Natural Quartz Reference Sample and its Characterisation


Kreutzer, Sebastian ; Friedrich, Johannes ; Sanderson, David C. W. ; Adamiec, Grzegorz ; Chruscinska, Alicja ; Fasoli, Mauro ; Martini, Marco ; Polymeris, Georgios S. ; Burbidge, Christopher I. ; Schmidt, Christoph:
Les sables de Fontainebleau : A Natural Quartz Reference Sample and its Characterisation.
In: Ancient TL. Bd. 35 (Dezember 2017) Heft 2 . - S. 21-31.
ISSN 0735-1348


Link zum Volltext (externe URL): Volltext

Angaben zu Projekten

Offizieller ProjekttitelProjekt-ID
Ohne AngabeBayIntAn UBT 2016 74

Projektfinanzierung: Andere
Bavarian Research Alliance


Fundamental studies on luminescence production in natural quartz require samples which can be studied by groups of laboratories using complementary methods. In the framework of a European collaboration studying quartz luminescence, a sample originating from the Fontainebleau Sandstone Formation in France was selected for characterisation and distribution to establish a starting point for interlaboratory work. Here we report on the preparation and characterisation work undertaken before distribution with the aim of ensuring that each laboratory received comparable material. Material was purified to enrich the quartz concentration, followed by mineralogical screening by SEMand ICP-MS analyses. Luminescence screening measurements were undertaken at a single laboratory (SUERC) to verify the suitability of the sample for use within the study, and to establish the level of homogeneity of subsamples prepared for distribution. The sample underwent minimal non-chemical pre-treatment by multiple cycles of magnetic separation and annealing. SEM analysis showed that the sample consists mainly of SiO2. The luminescence characterisation confirmed a dose sensitivity of ca. 22,000–160,000 cts K^-1 Gy^-1 per 260–290 grains for the 110 °C UV TL peak, well developed low (here: 100–300 °C) temperature (pre-dose) TL signals and high OSL sensitivities. The grain to grain OSL response varies by more than one order of magnitude. No significant IRSL signal was observed. In summary, the results from luminescence characterisation confirm the suitability of the sample for the luminescence experiments envisaged and have established a basis for comparability in studies conducted by a network of laboratories.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: OSL; TL; Characterisation; Fundamental research
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Geomorphologie
Profilfelder > Advanced Fields > Ökologie und Umweltwissenschaften
Profilfelder > Advanced Fields > Nichtlineare Dynamik
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Profilfelder > Advanced Fields
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie
Eingestellt am: 19 Mär 2018 06:56
Letzte Änderung: 19 Mär 2018 06:56
URI: https://eref.uni-bayreuth.de/id/eprint/42012