qoo0000
~4q—q=
100000
rtm
DOO
Ne
Dx
ts
Dz
Is
ti
z 8
tof
72 a
[0 wt
‘og
18
ella
100
5
|
W
vx
vu
bb
MI
C
10
=~
=
I
20
40
60
tty)
80
LOO
120
140
160
180
200
MEV
"Pig.
1.
Gamma-ray spectrum of sediment from Bravo Crater
collected at a water depth of 160 feet, August, 1969.
Dh