· Vale is the world's largest producer and exporter of iron ore and the largest mining company in the Americas, known as crown jewel and engine in the Amazon of Brazil. Founded on June 1, 1942, Vale now produces 80% of Brazil's iron ore. Its iron ore resources are concentrated in the Four Corners and Barra (the northern state of Brazil).
Most iron ores are extracted by surface mining. Some underground mines do exist, but, wherever possible, surface mining is preferred because it is cheaper. Lumps and fines Crushing Asmined iron ore contains lumps of varying size, the biggest being more than 1 metre (40 inches) across and the smallest about 1 millimetre ( inch).