August 15, 2025MineralsOpen Access

Mineralogical and Geochemical Characterization of the Benavila (Portugal) Bentonites

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Mineralogical and geochemical analysis reveals smectite-rich bentonites for engineering applications in radioactive waste.

Bentonites from the Benavila deposit in Portugal show significant smectite content, with implications for engineering use.
X-Ray Diffraction determined the mineral composition, primarily smectites along with calcite and minor quartz.
Geochemical analyses using ICP-MS indicate an enrichment in silica and alumina, suggesting unique alteration pathways.
The findings highlight potential applications for bentonites as engineering barrier systems in radioactive waste repositories.

García-Rivas et al. (2025) studied this question.

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