Original Research Accepted on 02 Feb 2026 Insights into rare earth elements and other critical raw materials from Castelo Branco massif alluvial deposits (Portugal) Rute SalgueiroTeresa SilvaIván MartĂn-MĂ©ndezDaniel de OliveiraMaria JoĂŁo BatistaCarlos Inverno Frontiers in Geochemistry 104 views