Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
History
Origin
Western Australia, Minnesota
Germany
Discoverer
Unknown
Christian Leopold von Buch
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Greek di + base
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, Medium Grained Rock, Opaque Rock