09 Dec 2019
09 Dec 2019
A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples
- 1GFZ German Research Centre for Geosciences, Potsdam, 14473, Germany
- 2University of Potsdam, Institute of Geosciences, Potsdam, 14476, Germany
- 1GFZ German Research Centre for Geosciences, Potsdam, 14473, Germany
- 2University of Potsdam, Institute of Geosciences, Potsdam, 14476, Germany
Abstract. Mineral resource exploration and mining is an essential part of today’s high-tech industry. Elements such as rare earth elements (REE) and copper are, therefore, in high demand. Modern exploration techniques from multiple platforms (e.g. space- and airborne), to detect and map the spectral characteristics of the materials of interest, require spectral libraries as an essential reference. They include field and laboratory spectral information in combination with geochemical analyses for validation. Here, we present an extensive collection of REE- and copper-related hyperspectral spectra with associated geochemical information. The libraries contain spectra from rare earth element oxides, REE-bearing minerals, copper-bearing minerals and mine surface samples from the Apliki copper-gold-pyrite-mine in the Republic of Cyprus. The samples were measured with the HySpex imaging spectrometers in the visible near infra-red (VNIR) and short wave infra-red (SWIR) range (400–2500 nm). The geochemical validation of each sample is provided with the spectra. The spectral library is openly available to assist future mineral mapping campaigns and laboratory spectroscopic analyses. The spectral libraries and corresponding geochemistry are published via GFZ Data Services with the following DOIs: https://doi.org/10.5880/GFZ.1.4.2019.004 (REE elements, Koerting et al., 2019a), https://doi.org/10.5880/GFZ.1.4.2019.003 (Copper bearing minerals. Koellner et al., 2019), and https://doi.org/10.5880/GFZ.1.4.2019.005 (copper bearing minerals from the Apliki copper-gold-pyrite mine in Cyprus, Koerting et al., 2019b).
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Friederike Koerting et al.


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RC1: 'Review: A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples.', Jeanne Percival, 19 Feb 2020
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SC1: 'Data availability barriers', Kirsten Elger, 24 Feb 2020
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RC2: 'Review: A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples.', Jeanne Percival, 24 Feb 2020
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SC2: 'Comments and data availability', Friederike Körting, 25 Feb 2020
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SC2: 'Comments and data availability', Friederike Körting, 25 Feb 2020
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AC1: 'Answers to comment questions', Friederike Körting, 04 Mar 2020
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SC1: 'Data availability barriers', Kirsten Elger, 24 Feb 2020
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RC3: 'Reviewer Comments on Cu and REE related reflectance data with geological relevance', David Turner, 15 Jul 2020
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AC2: 'Response to reviewer David Turner', Friederike Körting, 10 Aug 2020


-
RC1: 'Review: A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples.', Jeanne Percival, 19 Feb 2020
-
SC1: 'Data availability barriers', Kirsten Elger, 24 Feb 2020
-
RC2: 'Review: A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples.', Jeanne Percival, 24 Feb 2020
-
SC2: 'Comments and data availability', Friederike Körting, 25 Feb 2020
-
SC2: 'Comments and data availability', Friederike Körting, 25 Feb 2020
-
AC1: 'Answers to comment questions', Friederike Körting, 04 Mar 2020
-
SC1: 'Data availability barriers', Kirsten Elger, 24 Feb 2020
-
RC3: 'Reviewer Comments on Cu and REE related reflectance data with geological relevance', David Turner, 15 Jul 2020
-
AC2: 'Response to reviewer David Turner', Friederike Körting, 10 Aug 2020
Friederike Koerting et al.
Data sets
Mineral spectra and chemistry of 37 copper bearing surface samples from Apliki copper-gold-pyrite mine in the Republic of Cyprus Cite as: F. Koerting, C. Rogass, N. Koellner, A. Kuras, M. Horning, and U. Altenberger https://doi.org/10.5880/GFZ.1.4.2019.005
Mineral spectra and chemistry of 20 copper bearing minerals Cite as: N. Koellner, F. Koerting, M. Horning, C. Mielke, and U. Altenberger https://doi.org/10.5880/GFZ.1.4.2019.003
Mineral spectra and chemistry of 32 rare-earth minerals and rare-earth oxides including niobium- and tantalum-oxide F. Koerting, S. Herrmann, N. K. Boesche, C. Rogass, C. Mielke, N. Koellner, and U. Altenberger https://doi.org/10.5880/GFZ.1.4.2019.004
Friederike Koerting et al.
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