Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
Western Australia, Minnesota
From its formation process
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Opaque Rock
An iron rich extrusive rock found as a member of the alkali basalt magma series
From the name of discoverer, Ben More
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock