Definition
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar
History
Origin
Southern Alps, France
Germany
Discoverer
Jakob Sederholm
Christian Leopold von Buch
Etymology
From the Greek word migma which means a mixture
From Greek di + base
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock