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
Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains
From pyroxene mineral jadeite
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock