Definition
Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Norway
Tamil Nadu, India
Discoverer
Unknown
T. H. Holland
Etymology
From the Norwegian name for Norway, Norge
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