Definition
Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Tamil Nadu, India
Western Australia, Minnesota
Discoverer
T. H. Holland
Unknown
Etymology
From Job Charnock, an administtrator of East India Company
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock