New findings of Middle Stone Age lithic artifacts from the Matmata loess region in southern Tunisia

Faust, Dominik; Kreutzer, Sebastian; Trigui, Yesmine; Pachtmann, Maximilian; Mettig, Georg; Bouaziz, Moncef; Espejo, José Manuel Recio; Olmo, Fernando Díaz del; Schmidt, Christoph; Lauer, Tobias; Režek, Željko; Fülling, Alexander; Meszner, Sascha

doi:10.5194/egqsj-69-55-2020

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…The sample was taken near the village of Matmata (33.54 • N, 9.95 • E; 351 m a.s.l.). A detailed description of the Matmata loess region is given by Faust et al (2020).…”

Section: C3 Samples Provided By the Cologne Luminescencementioning

confidence: 99%

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

et al. 2022

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Abstract. The μDose system is a recently developed analytical instrument applying a combined α- and β-sensitive scintillation technique for determining the radioactivity arising from the decay chains of 235U, 238U and 232Th as well as from the decay of 40K. The device was designed to meet the particular requirements of trapped charge dating methods and allows the assessment of environmental (i.e. low) levels of natural radionuclides. The μDose system was developed as a piece of low-cost laboratory equipment, but a systematic test of its performance is still pending. For the first time, we present results from a comprehensive performance test based on an inter-laboratory comparison. We compare the results obtained with μDose measurements with those from thick source alpha counting (TSAC), inductively coupled plasma optical emission spectrometry (ICP-OES) and low-level high-resolution gamma spectrometry (HRGS) applied in five participating laboratories. In addition, the reproducibility and accuracy of μDose measurements were tested on certified reference materials distributed by the International Atomic Energy Agency (IAEA; RGU-1, RGTh-1 and RGK-1) and on two loess standards (Nussy and Volkegem) frequently used in trapped charge dating studies. We compare μDose-based results for a total of 47 sediment samples with results previously obtained for these materials by well-established methods of dose rate determination. The investigated natural samples cover a great variety of environments, including fluvial, aeolian, littoral, colluvial and (geo-)archaeological sites originating from high and low mountain regions as well as from lowlands in tropical areas, drylands and mid-latitude zones of Europe, Africa, Australia, Central Asia and the Americas. Our results suggest the μDose system's capability of assessing low-level radionuclide contents with very good accuracy and precision comparable to well-established dosimetry methods. Based on the results of our comparative study and with respect to the practical experiences gained so far, the μDose system appears to be a promising tool for trapped charge dating studies.

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“…The sample was taken near the village of Matmata (33.54 • N, 9.95 • E; 351 m a.s.l.). A detailed description of the Matmata loess region is given by Faust et al (2020).…”

Section: C3 Samples Provided By the Cologne Luminescencementioning

confidence: 99%

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

et al. 2022

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Dust Deposits: Loess

Fenn¹,

Prudhomme²

2022

Treatise on Geomorphology

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New findings of Middle Stone Age lithic artifacts from the Matmata loess region in southern Tunisia

Cited by 2 publications

References 6 publications

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

Dust Deposits: Loess

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New findings of Middle Stone Age lithic artifacts from the Matmata loess region in southern Tunisia

Cited by 2 publications

References 6 publications

The &lt;i&gt;μ&lt;/i&gt;Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

The &lt;i&gt;μ&lt;/i&gt;Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

Dust Deposits: Loess

Contact Info

Product

Resources

About

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences

The <i>μ</i>Dose system: determination of environmental dose rates by combined alpha and beta counting – performance tests and practical experiences