· · Ore State Mill type Units Project status; Germano: Samarco : Iron: Minas Gerais: VTM1500 1In operation: Conceição do Mato Dentro: Anglo American: Iron: Minas Gerais: VTM1500: 16: In construction: Vale: VTM200 1RD: Serra Azul: MMX: Iron: Minas Gerais: VTM3000: 14: In construction: IsaMill™ The IsaMill™, as shown in Figure, is a horizontal stirred mill .