Articles | Volume 14, issue 4
https://doi.org/10.5194/se-14-463-2023
https://doi.org/10.5194/se-14-463-2023
Research article
 | 
27 Apr 2023
Research article |  | 27 Apr 2023

Spectral characterisation of hydrothermal alteration associated with sediment-hosted Cu–Ag mineralisation in the central European Kupferschiefer

Léa Géring, Moritz Kirsch, Samuel Thiele, Andréa De Lima Ribeiro, Richard Gloaguen, and Jens Gutzmer

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Cited articles

Arne, D., House, E., Pontual, S., and Huntington, J.: Hyperspectral interpretation of selected drill cores from orogenic gold deposits in central Victoria, Australia, Austr. J. Earth Sci. 63, 1003–1025, https://doi.org/10.1080/08120099.2016.1223171, 2016. 
Barker, R. D., Barker, S. L. L., Cracknell, M. J., Stock, E. D., and Holmes, G.: Quantitative Mineral Mapping of Drill Core Surfaces II: Long-Wave Infrared Mineral Characterization Using µ XRF and Machine Learning, Econ. Geol., 116, 821–836, https://doi.org/10.5382/econgeo.4804, 2021. 
Bechtel, A., Sun, Y., Püttmann, W., Hoernes, S., and Hoefs, J.: Isotopic evidence for multi-stage base metal enrichment in the Kupferschiefer from the Sangerhausen Basin, Germany, Chem. Geol., 176, 31–49, 10.1016/S0009-2541(00)00336-3, 2001. 
Bedini, E.: The use of hyperspectral remote sensing for mineral exploration: a review, Journal of Hyperspectral Remote Sensing, 7, 189–211, https://doi.org/10.29150/jhrs.v7.4.p189-211, 2017. 
Bierwirth, P., Huston, D., and Blewett, R.: Hyperspectral mapping of mineral assemblages associated with gold mineralization in the Central Pilbara, Western Australia, Econ. Geol. 97, 819–826, 2002. 
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Short summary
We apply multi-range hyperspectral imaging on drill core material from a Kupferschiefer-type Cu–Ag deposit in Germany, mapping minerals such as iron oxides, kaolinite, sulfate, and carbonates at millimetre resolution and in a rapid, cost-efficient, and continuous manner to track hydrothermal fluid flow paths and vectors towards base metal deposits in sedimentary basins.