Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
Granulite is fine to medium grained metamorphic rock with a granular of polygonal crystals.
History
Origin
Germany
Central Europe
Discoverer
Christian Leopold von Buch
Unknown
Etymology
From Latin glaber bare, smooth, bald
From Latin granulum, a little grain or fine grained
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock