Monzonite
Photos
Cochise College
Photos of Rocks
Igneous Rocks
Virtual Geology Museum
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Roger Weller, geology instructor
Monzonite
Photos
Monzonite
last edited:
1/9/08
number of photos: 17
A monzonite is a coarse-grained igneous
rock with nearly
equal amounts of plagioclase and orthoclase feldspars.
Mineralogically, it falls between a syenite and a diorite.
If quartz
makes up more than 2% of the volume of the rock,
it is a quartz monzonite.
photos
quartz monzonite porphyry:
1
2
monzonite porphyry:
1
2
Texas Canyon quartz monzonite porphyry:
1
2
3
4
5
6
7
8
9
10
11
12
13
Photos are copyright free for
non-commercial educational uses.
Just credit photos to R.Weller/Cochise
College.
copyright 2008-R.Weller