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
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Egypt
Germany
Discoverer
Unknown
Christian Leopold von Buch
Etymology
From the Greek marmaros, shining stone and also from the English word marmoreal meaning marble-like
From Latin glaber bare, smooth, bald
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Plutonic
Other Categories
Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock