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Foidolite
Foidolite

Monzonite
Monzonite



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Foidolite
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Monzonite
1 Definition
1.1 Definition
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase
1.2 History
1.2.1 Origin
Unknown
Trento Province, Italy
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the mineral feldspathoid which is the main content of rock
From Mount Monzoni in the Tyrol, Italy, + -ite1
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Plutonic
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock