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A
B
C
D
E
F
G
- Gabbro
- Ganister
- Gneiss
- Gossan
- Granite
- Granodiorite
- Granophyre
- Granulite
- Greywacke
- Greenschist
- Greenstone
- Gritstone
- Gypsum
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
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See also
- List of minerals
- List of stone
- Mineralogy
- Mineraloid
- Petrology
- Rock
- Rock formation: for a list of unusual or culturally significant rock outcrops.
- Metamorphic rock
- Igneous rock
- Sedimentary rock
External links
- British Geological Survey
- Igneous rock classification
- Classification of common rocks and soils
- Metamorphic Rock Classification
- Volcanic rocks
