Articles | Volume 33, issue 6
Eur. J. Mineral., 33, 743–763, 2021
https://doi.org/10.5194/ejm-33-743-2021
Eur. J. Mineral., 33, 743–763, 2021
https://doi.org/10.5194/ejm-33-743-2021
Research article
17 Dec 2021
Research article | 17 Dec 2021

Vibrational spectroscopic study of three Mg–Ni mineral series in white and greenish clay infillings of the New Caledonian Ni-silicate ores

Emmanuel Fritsch et al.

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Cited articles

Balan, E., Saitta, A. M., Mauri, F., Lemaire, C., and Guyot, F.: First-principles calculation of the infrared spectrum of lizardite, Am. Mineral., 87, 1286–1290, https://doi.org/10.2138/am-2002-1003, 2002a. 
Balan, E., Mauri, F., Lemaire, C., Brouder, C., Guyot, F., Marco Saitta, A., and Devouard, B.: Multiple ionic-plasmon resonances in naturally occurring multiwall nanotubes: Infrared spectra of chrysotile asbestos, Phys. Rev. Lett., 89, 177401, https://doi.org/10.1103/PhysRevLett.89.177401, 2002b. 
Balan, E., Fritsch, E., Juillot, F., Allard, T., and Petit, S.: Local mode interpretation of the OH overtone spectrum of 1:1 phyllosilicates, Eur. J. Mineral., 33, 209–220, https://doi.org/10.5194/ejm-33-209-2021, 2021a. 
Balan, E., Fritsch, E., Radtke, G., Paulatto, L., Juillot, F., and Petit, S.: First-principles modeling of the infrared spectrum of antigorite, Eur. J. Mineral., 33, 389–400, https://doi.org/10.5194/ejm-33-389-2021, 2021b. 
Baron, F. and Petit, S.: Interpretation of the infrared spectra of the lizardite-nepouite series in the near and middle infrared range, Am. Mineral., 101, 423–430, https://doi.org/10.2138/am-2016-5352, 2016. 
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Short summary
The study presents and discusses mid- and near-infrared spectra of three Mg–Ni mineral series (serpentine-like and talc-like minerals, sepiolite) commonly found in reactivated faults and sequences of clay infillings of the New Caledonian Ni-silicate deposits. This spectroscopic study sheds light on the nature of the residual mineral phases found in the clay infillings (serpentine-like minerals) and reveals the aptitude of the newly formed minerals (talc-like minerals and sepiolite) to store Ni.