Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Geology > IGNEOUS TEXTURES > Flashcards

IGNEOUS TEXTURES Flashcards

1
Q

3 factors affecting crystal size and texture

A
  1. rate of cooling
  2. amount of silica
  3. amount of volatiles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

glassy

A

RAPID COOLING

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

APHANITIC

A

fine-grained
RAPID COOLING
contain bubbles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

PHANERITIC

A

coarse-grained
SLOW COOLING
large crystals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

PEGMETITIC

A

VERY coarse-grained
SLOW COOLING
LARGE crystals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

PORPHYRITIC

A

LARGE AND SMALL CRYSTALS (different cooling rate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

pyroclastic

A

violent volano eruption
FUSED ASH
WELDED TUFF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Geology (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions