Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock
History
Origin
Western Australia, Minnesota
Iceland
Discoverer
Unknown
Ian S. E. Carmichael
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland
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