Definition
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
History
Origin
USA, Australia
New Zealand
Discoverer
Tornebohm
Ferdinand von Hochstetter
Etymology
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.
From the name of Dun Mountain, New Zealand, + -ite1
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock