Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Mangerite is a plutonic intrusive igneous rock, which is essentially a hypersthene-bearing monzonite
History
Origin
Western Australia, Minnesota
-
Discoverer
Unknown
Unknown
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Manger, Norway
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, Fine Grained Rock, Medium Grained Rock, Opaque Rock