Definition
Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
History
Origin
New Zealand
Western Australia, Minnesota
Discoverer
Belsazar Hacquet
Johann Gottlob Lehmann
Etymology
From lime and stone in late 14th Century
From its formation process
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock