Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
History
Origin
Germany
USA
Discoverer
Christian Leopold von Buch
Unknown
Etymology
From Greek di + base
From 17th century, because of its greasy feel and use like a soap
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock