Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
History
Origin
Pike County, U.S
Tamil Nadu, India
Discoverer
Unknown
T. H. Holland
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From Job Charnock, an administtrator of East India Company
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock