Applied igneous rock textures Flashcards
1
Q
What is the texture of obsidian?
A
Glassy with conchoidal fracture
2
Q
What is the texture of pumice?
A
Vesicular
3
Q
What is the texture rhyolite?
A
Flow banded
4
Q
What is the texture of granite and microgranite?
A
Porphyritic
Equigranular
5
Q
What is the texture of andesite?
A
Vesicular
Amygdaloidal
Porphyritic
Equigranular
6
Q
What is the texture of intermediate pumice?
A
Equigranular or porphyritic
7
Q
What is the texture of basalt?
A
Vesicular
Amygdaloidal
Porphyritic
Equigranular
8
Q
What is the texture of dolerite?
A
Porphyritic
Equigranular
9
Q
What is the texture of gabbro?
A
Equigranular