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
A carbonate rock which is matrix supported and contains over 10% allochems in a carbonate mud matrix.
From the English mud and stone, from low German mudde and stainaz
Fine Grained Rock, Opaque Rock