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Scientific Drilling The open-access ICDP and IODP journal

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Sci. Dril., 19, 13-16, 2015
https://doi.org/10.5194/sd-19-13-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Technical development
29 May 2015
An innovative optical and chemical drill core scanner
A. S. L. Sjöqvist1, M. Arthursson1, A. Lundström1, E. Calderón Estrada1, A. Inerfeldt1, and H. Lorenz2 1Minalyze AB, Industrivägen 4, 433 61 Sävedalen, Sweden
2Department of Earth Sciences, Uppsala University, Villavägen 16, 752 36 Uppsala, Sweden
Abstract. We describe a new innovative drill core scanner that semi-automatedly analyses drill cores directly in drill core trays with X-ray fluorescence spectrometry, without the need for much sample preparation or operator intervention. The instrument is fed with entire core trays, which are photographed at high resolution and scanned by a 3-D profiling laser. Algorithms recognise the geometry of the core tray, number of slots, location of the drill cores, calculate the optimal scanning path, and execute a continuous XRF analysis of 2 cm width along the core. The instrument is equipped with critical analytical components that allow an effective QA/QC routine to be implemented. It is a mobile instrument that can be manoeuvred by a single person with a manual pallet jack.

Citation: Sjöqvist, A. S. L., Arthursson, M., Lundström, A., Calderón Estrada, E., Inerfeldt, A., and Lorenz, H.: An innovative optical and chemical drill core scanner, Sci. Dril., 19, 13-16, https://doi.org/10.5194/sd-19-13-2015, 2015.
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