Definition
Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Mangerite is a plutonic intrusive igneous rock, which is essentially a hypersthene-bearing monzonite
History
Origin
-
-
Discoverer
Unknown
Unknown
Etymology
From French anorthose plagioclase + -ite1
From Manger, Norway
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock