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Özer, A.M. ; Wieser, A. ; Göksu, H.Y. ; Müller, P. ; Regulla, D.F. ; Erol, O.

ESR and TL Age Determination of Caliche Nodules.

Appl. Radiat. Isot. 40, 1159-1162 (1989)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Feasibility of dating caliche nodules by ESR and TL is investigated. For both methods the properties of the dating signal are described. Chemical composition as well as TL glow curves of caliches originating from different localities exhibit some differences. Due to the complexity of the TL glow curves, some samples required a special post-annealing procedure in order to resolve the main TL peak for age determination. Typical ESR calcite signals do not exist in caliche, therefore usefulness of the g = 2.0040 ESR signal is studied. The results of TL and ESR ages are found to be compatible except for two samples. Possible causes of the discrepancy in these samples are discussed. It is shown that, with proper treatment of the radiation-induced signals, it was possible to date caliche formations older than 350 ka, which is not achieveable with other methods like uranium series disequilibrium and/or radiocarbon dating.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
ISSN (print) / ISBN 0969-8043
e-ISSN 1872-9800
Zeitschrift Applied Radiation and Isotopes
Quellenangaben Band: 40, Heft: 10-12, Seiten: 1159-1162 Artikelnummer: , Supplement: ,
Verlag Elsevier
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Protection (ISS)