Definition
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
Trento Province, Italy
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From Mount Monzoni in the Tyrol, Italy, + -ite1
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock