Eruption dates Flashcards
1
Q
Lower As
A
2
Q
Upper As, Lower Bs
A
3
Q
Upper Bs
A
4
Q
Ds
A
5
Q
Cs
A
6
Q
Es
A
7
Q
Lower 1s, 6s
A
6
8
Q
Lower 1s, Upper 6s
A
9
Q
Upper 1s, Lower 2s
A
7-8
10
Q
Upper 2s
A
8-9
11
Q
Lower 3s
A
12
Q
Upper 4s
A
10-11
13
Q
Upper 4s
A
10-11
14
Q
Upper 5s, Lower 4s
A
10-12
15
Q
Upper 3s, Lower 5s
A
11-12
16
Q
Lower 7s
A
11-13
17
Q
Upper 7s
A
12-13
