Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Germany
Tamil Nadu, India
Discoverer
Christian Leopold von Buch
T. H. Holland
Etymology
From Latin glaber bare, smooth, bald
From Job Charnock, an administtrator of East India Company
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock