A conveyor system including a track extending between a loading region and a discharge region, an endless belt bendable into a tubular shape, the endless belt having thickened edges, a number of carriages moveably mounted to the track, the carriages including belt rollers for engaging the edges of the belt to thereby support the belt, a loading carriage for allowing material to be loaded onto the belt, the loading station being moveable at least within the loading region, a discharge carriage for allowing material to be discharged from the belt, the discharge station being moveable at least within the discharge region and a number of intermediate carriages positioned between the loading and discharge carriages for supporting the belt along transport and return paths with the tubular shape.