1 Definition
1.1 Definition
Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
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
1.2.2 Discoverer
Unknown
Georgius Agricola
1.3 Etymology
From English clay and stone as the rock contains more amount of clay
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
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock