Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Isle of Mull, Scotland
Germany
Discoverer
Ben More
Christian Leopold von Buch
Etymology
From the name of discoverer, Ben More
From Latin glaber bare, smooth, bald
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock