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