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Original Research
Published 9 September 2026
On-site geochemical and indicator mineral analytical techniques in critical raw-metal exploration in the glaciated terrain
Pertti Sarala · Marja Lehtonen
Frontiers in Geochemistry
doi 10.3389/fgeoc.2026.1866020
Original Research
Published 12 March 2026
Insights into rare earth elements and other critical raw materials from Castelo Branco massif alluvial deposits (Portugal)
Rute Salgueiro · Teresa Pena Silva · Iván Martín-Méndez · Daniel de Oliveira · Maria João Batista · Carlos Inverno
Frontiers in Geochemistry
doi 10.3389/fgeoc.2026.1766699