Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
History
Origin
Germany
Germany
Discoverer
Christian Leopold von Buch
Christian Leopold von Buch
Etymology
From Greek di + base
From Latin glaber bare, smooth, bald
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Volcanic
Plutonic
Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock