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The 29 pages that link to Banded iron formation, each with the reason it gives.

• Iron oreBroader topic: These deposits host much of the world’s large iron ore resources.

• HematiteBroader topic: These formations contain vast deposits of hematite-bearing iron ore.

• Mineral explorationBroader topic: Its characteristic geology and magnetic signature can guide iron-ore exploration.

• Ore depositBroader topic: Ancient chemical sedimentation produced vast iron resources that later became ore.

• PrecambrianBroader topic: Its deposits record interactions among oceans, iron, and changing oxygen levels.

• Greenstone beltBroader topic: These chemical sediments occur among the volcanic and sedimentary rocks of many belts.

• Oxygenation of Earth's atmosphereBroader topic: Its iron oxides record oxygen reacting with dissolved iron in ancient oceans.

• ChertBroader topic: Their silica-rich layers commonly consist of chert interbedded with iron minerals.

• Archean tectonicsBroader topic: Seafloor hydrothermal sources associated with Archean tectonics supplied their iron.

• MesoarcheanBroader topic: Some Mesoarchean deposits record interactions among iron, ocean water, and microbial activity.

• NeoarcheanBroader topic: These deposits record changing ocean chemistry as oxygen began reacting with dissolved iron.