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NONDESTRUCTIVE MICROSAMPLING BY SURFACE EXFFOLIATION IN GEOLOGY AND ARCHEOLOGY

Vilém Bartůněk, Michal Lojka, Petr Hrubý, Alzbeta Danielisová, Ondřej Jankovský

First published: 2021-12-20https://doi.org/10.5593/sgem2021/1.1/s01.013View metrics

Abstract

One of problems in terrain surveys in geology and archeology is sample obtaining. Among all possible complications are limits in sample volumes and masses, including possible toxicity or radioactivity and also the legal status of the samples. In his contribution, these problems are addressed by application of microsampling by surface exfoliation of geological objects and archaeologic artifacts using various tapes and subsequent analyses of the resulting samples. Among method used were both optical and electron microscopy. Quick to use portable and stationary methods of optical microscopy is used. Scanning electron microscopy was used with Energy-dispersive X-ray spectroscopy to localize specific 2D surface charts of elemental compositions which response to the surface topography in original samples. Also Raman spectroscopy and X-ray powder diffraction were evaluated. Both methods yield results depending on sample type and experimental setup but are in general usable. The method is validated and operational with some limits and can be marked as vital possible alternative for researchers working in terrain or for obtaining of surface information without damaging of the studied object.

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Publication details

Title
NONDESTRUCTIVE MICROSAMPLING BY SURFACE EXFFOLIATION IN GEOLOGY AND ARCHEOLOGY
Authors
Vilém Bartůněk, Michal Lojka, Petr Hrubý, Alzbeta Danielisová, Ondřej Jankovský
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Science and Technologies in Geology, Exploration And Mining
Publisher
STEF92 Technology
Year
2021
Pages
73-82
SWS Citekey
Bartunek2021199107
ISSN
1314-2704
ISBN
978-619-7603-20-0
Language
en
Publication type
Conference Paper
Keywords
microsamplingSEM-EDSRaman spectroscopytapeoptical microscopyIR spectroscopy
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