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Transferring Grains from Single-Grain Luminescence Discs to SEM Specimen Stubs

Author:
  • Isa Doverbratt
  • Helena Alexanderson
Publishing year: 2019-11-21
Language: English
Pages:
Publication/Series: Methods & Protocols
Volume: 2
Issue: 4
Document type: Journal article
Publisher: MDPI AG

Abstract english

The grain transfer protocol presents a step-by-step guide on how to successfully transfer positioned grains from a single-grain luminescence disc to a scanning electron microscope (SEM) specimen stub and how to transport them between laboratories. Single-grain luminescence analysis allows the determination of luminescence characteristics for individual sand-sized grains.
By combining such luminescence data with other grain properties such as geochemical composition, shape, or structure also at single-grain level, it is possible to investigate factors controlling luminescence signals or study other material properties. The non-luminescence properties are typically measured
in another instrument; thus, grains need to be transferred between machines and sample holders, and sometimes also between laboratories. It is then important that the position of each grain is known and stable so that the properties from the same grain are compared. By providing an easily observable
orientation marker on the specimen stub, the hundred numbered grains from the single-grain disc can be transferred and later identified when analyzed in the SEM.

Keywords

  • Geology

Other

Published
  • Improving the Weichselian chronology of northern Sweden
  • ISSN: 2409-9279
Helena Alexandersson
E-mail: helena [dot] alexanderson [at] geol [dot] lu [dot] se

Professor

Quaternary Sciences

+46 46 222 44 83

435

16

Aeolian sand project

Project members
Members of the aeolian sand project: Martin Bernhardson, Sara Florén, Edyta Kalińska-Nartiša and Helena Alexanderson.

Read more about the project here.