Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Gritstone or grit is a hard, coarse-grained, siliceous sandstone
History
Origin
Western Australia, Minnesota
Pennines, England
Discoverer
Unknown
J.J. Ferber
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Grit + Stone
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock