Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
History
Origin
Western Australia, Minnesota
North America
Discoverer
Unknown
Theodor von Gümbel
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Andes mountains, where it is found in abundance
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock