Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
History
Origin
Western Australia, Minnesota
Discoverer
Johann Gottlob Lehmann
Etymology
From its formation process
Class
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Family
Group
-
Other Categories
Coarse Grained Rock, Opaque Rock