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Luminescence Dating Procedures at the Gliwice Luminescence Dating Laboratory

Piotr Moska

Piotr Moska

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Moska, Piotr
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Andrzej Bluszcz

Andrzej Bluszcz

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Bluszcz, Andrzej
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Grzegorz Poręba

Grzegorz Poręba

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Poręba, Grzegorz
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Konrad Tudyka

Konrad Tudyka

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Tudyka, Konrad
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Grzegorz Adamiec

Grzegorz Adamiec

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Adamiec, Grzegorz
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Agnieszka Szymak

Agnieszka Szymak

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Szymak, Agnieszka
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Aleksandra Przybyła

Aleksandra Przybyła

Institute of Physics – Centre for Science and Education, Division of Geochronology and Environmental Isotopes, Silesian University of TechnologyGliwice, Poland
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Przybyła, Aleksandra
  
17 apr 2021
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Pubblicato online: 17 apr 2021
Pagine: 1 - 15
Ricevuto: 17 apr 2020
Accettato: 13 gen 2021
DOI: https://doi.org/10.2478/geochr-2021-0001
Parole chiave
© 2021 Piotr Moska et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig 1

The Eijkelkamp system for sampling.
The Eijkelkamp system for sampling.

Fig 2

Cordless drill with coring saw set.
Cordless drill with coring saw set.

Fig 3

High-purity Germanium (HPGe) gamma-ray spectrometers in the GLL. GLL, Gliwice Luminescence Laboratory.
High-purity Germanium (HPGe) gamma-ray spectrometers in the GLL. GLL, Gliwice Luminescence Laboratory.

Fig 4

The new type of containers (gBEAKERs) for samples used in High-Resolution Gamma Spectrometry (HRGS) was developed in GLL (Poręba et al., 2020). GLL, Gliwice Luminescence Laboratory.
The new type of containers (gBEAKERs) for samples used in High-Resolution Gamma Spectrometry (HRGS) was developed in GLL (Poręba et al., 2020). GLL, Gliwice Luminescence Laboratory.

Fig 5

An example of the gamma-ray spectrum obtained for soil sample in GLL. GLL, Gliwice Luminescence Laboratory.
An example of the gamma-ray spectrum obtained for soil sample in GLL. GLL, Gliwice Luminescence Laboratory.

Fig 6

The μDose system.
The μDose system.

Fig 7

Sample holder for standard size 3 g samples prepared for measurement on the μDose system.
Sample holder for standard size 3 g samples prepared for measurement on the μDose system.

Fig 8

Sample changing steps.
Sample changing steps.

Fig 9

Portable scintillation spectrometer used during field measurements.
Portable scintillation spectrometer used during field measurements.

Fig 10

Chemical preparation laboratory.
Chemical preparation laboratory.

Fig 11

Collecting material for luminescence measurements from ceramics.
Collecting material for luminescence measurements from ceramics.

Fig 12

Risø TL/OSL DA-20 with a calibrated beta 90Sr/90Y source.
Risø TL/OSL DA-20 with a calibrated beta 90Sr/90Y source.

Fig 13

Daybreak 2002.
Daybreak 2002.

Fig 14

The growth curve as a result of applying the SAR procedure for one quartz portion (the luminescence decay curve is shown below the growth curve). SAR, single-aliquot regenerative-dose.
The growth curve as a result of applying the SAR procedure for one quartz portion (the luminescence decay curve is shown below the growth curve). SAR, single-aliquot regenerative-dose.

Fig 15

Graph of the probability density distribution (Berger, 2010) for two different samples, as typical examples of the presentation of luminescence results. Fig 15a present typical unimodal distribution, Fig 15b is an example of distribution characterised by higher value of overdispersion parameter.
Graph of the probability density distribution (Berger, 2010) for two different samples, as typical examples of the presentation of luminescence results. Fig 15a present typical unimodal distribution, Fig 15b is an example of distribution characterised by higher value of overdispersion parameter.

Fig 16

Example of some information contained in the final dating report.
Example of some information contained in the final dating report.

Gamma spectrum lines used to determine the activities of the respective isotopes_

Origin Isotopes Lines
238U decay chain 234Th 63.3 keV
234mPa 1001.0 keV
226Ra 186.2 keV
214Pb 295.2 keV
351.9 keV
214Bi 609.3 keV
768.4 keV
1120.3 keV
1764.5 keV
210Pb 46.5 keV
232Th decay chain 228Ac 911.2 keV
969.0 keV
212Bi 238.6 keV
208Tl 583.6 keV
2614.5 keV
40K 40K 1460.8 keV

Steps used in the protocol used for determining equivalent doses_ For the quartz fraction, the SAR protocol (Murray and Wintle, 2000) is used_

OSL SAR protocol – main steps
1 Irradiation with the regenerative beta dose Di
2 Preheat at a temperature of 260°C for 10 s (final temperature is determined after preheat plateau test)
3 Blue light stimulation at a temperature of 125°C for 100 s
4 Irradiation with the test dose Dt (10% of the natural dose, but not <1 Gy)
5 Cut-heat at a temperature of 220°C
6 Blue light stimulation at a temperature of 125°C for 100 s
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