1 Definition
1.1 Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
Carbonatite is intrusive or extrusive igneous rock which is defined by mineralogic composition, consisting of greater than 50 percent carbonate minerals
1.2 History
1.2.1 Origin
1.2.2 Discoverer
Ferdinand von Hochstetter
Unknown
1.3 Etymology
From the name of Dun Mountain, New Zealand, + -ite1
From any intrusive igneous rock, having a majority of carbonate minerals
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock