Released
Dataset

Mineral reflectance spectra and chemistry of 29 rare earth-bearing minerals and rare earth oxide powders including niobium- and tantalum-oxide powder

Cite as:

Koerting, Friederike; Herrmann, Sabrina; Boesche, Nina Kristin; Rogass, Christian; Mielke, Christian; Koellner, Nicole; Altenberger, Uwe (2019): Mineral reflectance spectra and chemistry of 29 rare earth-bearing minerals and rare earth oxide powders including niobium- and tantalum-oxide powder. V. 2.0. GFZ Data Services. https://doi.org/10.5880/GFZ.1.4.2019.004

Status

I   N       R   E   V   I   E   W : Koerting, Friederike; Herrmann, Sabrina; Boesche, Nina Kristin; Rogass, Christian; Mielke, Christian; Koellner, Nicole; Altenberger, Uwe (2019): Mineral reflectance spectra and chemistry of 29 rare earth-bearing minerals and rare earth oxide powders including niobium- and tantalum-oxide powder. V. 2.0. GFZ Data Services. https://doi.org/10.5880/GFZ.1.4.2019.004

Abstract

The data set contains mineral chemical analyses of 32 rare earth element (REE) -bearing minerals (REMin) and rare-earth oxides (REO) and their corresponding hyperspectral spectra. The hyperspectral data was acquired with the HySpex system in a range of 400 – 2500 nm and is presented in a spectral library. The resulting reflectance data are scaled from 0 - 10000. The two Rare Earth Element (REE) libraries consist of the spectra of 16 rare earth oxides powders (REO) and 14 REE-bearing minerals (REMin). In addition, it contains the spectra of niobium- and tantalum oxide, two elements technically not part of the REEs. The spectral library presented here is part of a bigger collection of spectral libraries including copper-bearing surface samples from Apliki copper-gold-pyrite mine (Koerting et al., 2019a, http://doi.org/10.5880/GFZ.1.4.2019.005) and copper-bearing minerals (Koellner et al., 2019, http://doi.org/10.5880/GFZ.1.4.2019.003). These libraries aim to give a spectral overview of important resources and ore mineralization.

Additional Information

Version 2.0 (21 December 2020): completely restructured Technical Report and data files according to the review recommendations of the related article in Earth System Science Data (ESSD).

Details:
• New title of the data publication
• Spectral library "GFZ_HySpex_REMin" -> typo correction of the spectral names in the ENVI-standard + .hdr file and the .txt file
• addition of spectra names in the table that lists the sample info
• reorganisation of the sample certificates table

Authors

  • Koerting, Friederike;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Herrmann, Sabrina;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Boesche, Nina Kristin;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Rogass, Christian;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Mielke, Christian;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Koellner, Nicole;GFZ German Research Centre for Geosciences, Potsdam, Germany
  • Altenberger, Uwe;University Potsdam, Potsdam, Germany

Contact

  • Foerster, Saskia; GFZ German Research Centre for Geosciences, Potsdam, Germany;

Contributors

Foerster, Saskia

Keywords

rare earth minerals, spectral library, rare earth oxides, hyperspectral, geochemical analyses, X-Ray Fluorescence, XRF, Electron microprobe analyser, EMPA

GCMD Science Keywords

Files

License: CC BY 4.0

Dataset Description

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