Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas
History
Origin
New Zealand
India
Discoverer
Ferdinand von Hochstetter
Francis Buchanan-Hamilton
Etymology
From the name of Dun Mountain, New Zealand, + -ite1
From Latin later brick, tile + -ite1
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock