Definition
Marble is a non-foliated metamorphic rock which is composed of recrystallized carbonate which is formed when limestone is exposed to high temperatures and pressures over a long time
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
History
Origin
Egypt
Western Australia, Minnesota
Discoverer
Unknown
Johann Gottlob Lehmann
Etymology
From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like
From its formation process
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock