siliceous sandstonehttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31471289enGetty Institute2026-03-30 21:06:50http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html silica sandstone silica sandstones siliceous sandstones orthoquartzite orthoquartzites sandstone, silica sandstone, siliceous sandstones, silica sandstones, siliceous