Roger
Weller
wellerr@cochise.edu
Igneous
Rock Table
Index
Number of photos:
538
Last edited: 4/17/18
glassy
obsidian (48)
pumice (29)
pitchstone (13)
perlite
(14)
fine grained (aphanitic)
andesite
(29)
basalt
(62)
dacite
(2)
diabase
(6)
phonolite
(2)
rhyolite
(30)
trachyte
(4)
tuff
(42)
lithophysa
(21)
coarse grained (phaneritic)
anorthosite
(4)
aplite
(2)
diorite
(33)
dunite
(2)
gabbro
(26)
granodiorite (3)
granite
(66)
kimberlite (2)
monzonite
(17)
peridotite (6)
pyroxenite
(2)
syenite (10)
very coarse grained
pegmatite (36)
porphyritic
porphyry
(19)
igneous structures (10)
Photos are copyright free for non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.
copyright
2018-R.Weller