Abstract: A pulverizing mill comprising a fixed base frame, a vibrating frame, support coil springs interconnecting the base frame and the vibrating frame for resiliently supporting the latter, aligned bearings carried in the vibrating frame and journalling respective upper and intermediate portions of a driven shaft which depends centrally through the vibrating frame, an eccentric weight carried by the shaft for providing the motive force to cause vibratory movement, a container or bowl having a replaceable wear base plate, being removably secured to the vibrating frame and containing pulverizing metal masses, and an hydraulic motor attached to the lower end of the vibrating frame and having its drive shaft coupled by flexible coupling means to the lower end of said driven shaft.