4
t
OEC
"Eke
FIGURE HH
in
z
MAR.
MAR.
APR
APR.
MAY
MAY
t
+.
>
1956
FEB.
FEB.
12.0
a27
2.0
820
JUNE
a5
JUNE
4.
t
JULY
JULY
4.
—}
t
AUG.
“4
4
t
SEPT.
a3
PANAMA
—.
T
SEPT.
AUG.
Ca'**/Sr*° ratio
]1
BRAZIL
Ce'**/Sr™ ratio
+
40,000
50,0007
60,0007
4
~—
s
90,000+
NOV
=?
70,000 7
JAN.
(957
+
¥
90,0007
FEET
100,000
+
FIGURE 10
DEC.
3.8 13.2
y47
I<2
_
1956
NOV.
10.8
8189
035
29.8
17.3
147
ocT.
#22
7.9
a4
a<2
Oct.
4
—j—
NOV
NOV.
+>
40,000
50,000+
60,000 tT
70,0004
80,000+
90,000+-
FEET
100,000
Fea
O€C.
T
4
1958
JAN.
812
64
Jz
4
FEB.
82
226
MAR.
“8
MAR.
248
84 67
183
Small figures are Sr?°
1
77
a24
6.3 68
210 023
F
1958
JAN
7.0
|s7
10.1
Small figures are Sr*°
DEC.
264
29
13.8
123
*e6
APR.
a3)
el2
APR
240
10.5
40
6.2 |49
932
49
ja7
MAY
MAY
{
+
+
+~
ren te
ar
JUNE
3.7
T3t
JUNE
543
272
17.8
[67