Definition
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
History
Origin
USA
New Zealand
Discoverer
Edgar Bailey
Ferdinand von Hochstetter
Etymology
From French schiste, Greek skhistos i.e. split
From the name of Dun Mountain, New Zealand, + -ite1
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock