1 Definition
1.1 Definition
Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth
1.2 History
1.2.1 Origin
Western Australia, Minnesota
Egypt
1.2.2 Discoverer
Unknown
Georgius Agricola
1.3 Etymology
From its formation process
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock