English AGROVOC

NT Basalt
NT Clay
NT Bentonite
NT Granite
NT Limestone
NT Sand
NT Tuff
NT Volcanic materials
RT Construction materials
RT Gypsum
RT Mineral resources
RT Minerals
RT Petrology
RT Rock mechanics
RT Sediment
RT Soil parent materials
RT Stones
RT Subsoil
(Lao)
   ຫີນ
(French)
   Roche
(Spanish)
   Roca