A global review of sulfide tailings storage facilities to assess the representativeness of surface vs. depth sampling - Arranz-Gonzalez, Julio Cesar; Adanez-Sanjuan, Paula; Rosario-Beltre, Adrian Jose; Ortega, Marcelo F; Rodriguez-Gomez, Virginia; Fernandez-Naranjo, Francisco Javier; Gonzalez-Iglesias, Luis Andreu (APPLIED GEOCHEMISTRY, 2026)