List of rock textures explained

This page is intended to be a list of rock textural and morphological terms.

A

Adcumulate
Agglomeritic
Adamantine a type of lustre
Amygdaloidal
Anhedral
Antitaxial veins
Aphanitic
Aplitic; aplite
Augen textured gneiss
Axiolitic texture

B

C

Cataclastic
Chilled margin
- Clastic; see also breccia Cleaved
Crenulated
Cross-bedding
Cross-stratification; also trough-cross stratification.
Cumulate; see also layered intrusion

D

Decussate
Devitirification; devitrified
Dendritic texture; dendrites
Diatextite; see also schlieren and migmatite

E

Embayed minerals; see igneous texture
Equigranular
Euhedral
Eutaxitic
Epiclastic

F

G

Glomeroporphyritic
Gneissose; gneissic
- Granoblastic Granophyric
Granulitic
Graphic

H

- Holocrystalline Hyaline texture
Hyalopilitic

I

Imbricate
Intergrowth texture

J

Jointed

K

Kelyphitic

L

Lepidoblastic
Leucocratic
Lineation, lineated
L-tectonite

M

Melanocratic
Mesocratic
Mesocumulate
Mylonitic

N

Nematoblastic

O

Ocelli
- Oolitic; see also limestone Ophitic texture
Orbicular texture
Orthocumulate

P

Panidiomorphic
Pegmatitic
Peloidal
Perthitic
Phaneritic
Phyllitic
Pisolitic
Poikilitic
Poikiloblastic
Porphyroclastic
Porphyroblastic
Porphyritic texture; see also porphyry
Ptygmatic (folding); see migmatite

Q

Quench textures; see obsidian, tachylyte or aphanitic

R

Rapakivi texture

S

Sandy
Schistose; schistosity
Seriate texture
Shear; sheared; shear fabric
Slaty; slaty cleavage
Specular
Spherulite
Spinifex texture; see also komatiite
S-tectonite
Stratabound
Stratum
Stromatolitic
Stylolitic
Subhedral
Symplectite

T

Tuffaceous
Trachytic texture

V

Vesicular texture
Variolitic
- Vitreous Vuggy

See also