LAWOFSUPERPOSITION
RELATIVEDATING
ABSOLUTEDATING
SEDIMENTARY
METAMORPHIC
SANDSTONE
LIMESTONE
IGNEOUS
FOSSIL
TRACE
INDEX
SHALE
COAL
B
U
E
Z
T
C
Y
B
T
I
S
Q
V
V
Q
O
Z
U
D
G
O
A
B
S
O
L
U
T
E
D
A
T
I
N
G
W
V
K
Y
A
R
K
P
N
T
L
E
X
O
N
M
M
I
E
Q
O
P
K
J
U
A
C
I
S
V
A
L
J
J
O
H
F
O
S
S
I
L
F
A
R
E
M
O
Q
D
O
N
E
J
I
O
I
R
G
E
Q
Y
O
H
E
Y
A
K
J
I
C
O
N
U
T
X
Y
S
L
Z
H
R
D
K
L
X
B
B
F
G
T
O
O
E
I
C
P
H
O
K
G
A
O
I
A
Q
P
T
I
N
I
P
T
F
S
Q
A
E
A
I
X
T
K
V
T
N
L
A
M
E
E
N
S
I
O
I
Y
E
W
N
D
N
E
E
I
B
O
O
E
O
A
Y
E
E
P
R
F
G
U
I
U
E
K
E
V
P
Z
E
T
U
F
V
M
T
R
I
D
U
W
K
E
M
A
D
E
D
W
A
A
S
J
V
I
S
E
U
P
I
I
A
S
I
U
Z
D
K
U
N
M
O
U
Y
L
I
P
I
W
J
L
I
K
D
N
S
A
A
D
G
O
E
L
R
T
X
U
O
A
I
N
N
F
E
V
P
T
X
Y
C
R
C
S
A
N
D
S
T
O
N
E
D
D
S
M
O
I
O
X
I
P
A
H
A
O
D
F
B
L
Y
U
E
E
I
D
H
N
A
A
W
H
R
I
S
T
Y
O
C
O
E
U
X
Z
U
B
A
G
Y
P
R
I
T
X
I
N
X
W
F
O
Y
A
F
I
I
I
E
S
W
V
O
C
O
X
Y
S
U
A
S
A
E
S
H
A
L
E
B
X
Q
O
E
U
H
A
L
H
T
L
O
O
E
L
L
X
E
E
U
X
