Taconite is a low-grade iron ore that is primarily found in the United States, particularly in the Mesabi Range of Minnesota. It contains about 25-30% iron, which is significantly lower than higher-grade ores. Taconite is processed to extract iron, making it an important resource for the steel industry. The extraction of iron from taconite involves a process called pelletizing, where the ore is crushed and then formed into pellets. These pellets are then heated in a furnace to produce iron. Taconite mining has played a crucial role in the economy of Minnesota and has contributed to the development of the steel industry in the region.