Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
History
Origin
Western Australia, Minnesota
Pike County, U.S
Discoverer
Unknown
Unknown
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From the chemical and mineralogical composition of the upper mantle of the Earth
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock