The root zones of the Seridó W-skarn system, northeastern Brazil: Constraints on the metallogenesis of a large Ediacaran tungsten Province - Corrêa, Roberto de Siqueira; Oliveira, Claudinei; Dantas, Elton Luiz; Schutesky, Maria; Hollanda, Maria Helena Bezerra Maia de (Ore Geology Reviews, 2021)