Definition
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
History
Origin
Trento Province, Italy
New Zealand
Discoverer
Unknown
Ferdinand von Hochstetter
Etymology
From Mount Monzoni in the Tyrol, Italy, + -ite1
From the name of Dun Mountain, New Zealand, + -ite1
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock