Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Coarse Grained Rock, Fine Grained Rock, Opaque Rock