гравитационное обогащение
maagikomponentide (nt mineraalid, aheraine) jt peenestatud materjalide erineval tihedusel põhinev rikastamine vedelikes või gaasides (vt rikastus), the separation of mixtures into layers of equal density in a stream of air or liquid by means of vibrated sloping shaker table or similar mechanism (see: benefication)