Iron ore deposits come from sedimentary rocks which contain iron oxides such as hematite, taconite, and magnetite.
Iron ore is mined and extracted in open-pit or underground mining, depending on the location and characteristics of the deposits.
After extraction, the iron ore undergoes a series of processes such as crushing, screening, and magnetic separation to remove impurities and concentrate the iron content.
Concentrated iron ore becomes an important ingredient in making steel. Today, the largest iron ore deposit sits in Australia, Brazil, Russia, China, India, and Ukraine making them the top producers in the world.