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2020-10-08

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cc-by-nc-nd (c) Tobón, Mónica et al., 2020
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/178400

Geochemistry of Platinum-Group Elements (PGE) in Cerro Matoso and Planeta Rica Ni-Laterite deposits, Northern Colombia

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https://doi.org/10.18268/BSGM2020v72n3a201219

Abstract

Platinum-group elements (PGE) are included among the so-called critical metals, and are essential metals for the technological industry. However, there are very few deposits in the world from which these metals can be extracted. The present work investigates three Ni-laterite profiles (hydrous Mg silicate type) formed over the ultramafic rocks of Cerro Matoso and Planeta Rica in Colombia. The main goal is to determine their PGE concentration and distribution, as well as to identify the carrier phases of these noble metals. The highest PGE contents in Cerro Matoso and Planeta Rica are concentrated in the limonite horizon (141-272 ppb), showing a strong decrease towards the saprolite and the underlying serpentinized peridotite (parent rock; < 50 ppb). The highest concentrations correspond to Pt>Ru>Pd and the lowest to Rh

Subject

Minerals de platí, Laterita, Colòmbia

Subject (English)

Platinum ores, Laterite, Colombia

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Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)

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TOBÓN, Mónica, et al. Geochemistry of Platinum-Group Elements (PGE) in Cerro Matoso and Planeta Rica Ni-Laterite deposits, Northern Colombia. Boletín de la Sociedad Geológica Mexicana. 2020. Vol. 72, num. 3, pags. A201219. ISSN 1405-3322. [consulted: 19 of August of 2026]. Available at: https://hdl.handle.net/2445/178400

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