K
+
=
e
9
cS
=
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o
S
o
s
3
2
Po
2
4
s §
«
§ 8
te
Bet
1
Ste]
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at
won
we
oO
oof
.
oa
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ES
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g PO
Se tath oor
8
Y
¥
St
©
200
Coral
=
and with
r
.
low tide
a
rere
*
.
.
Replaced zone
Leached zone
No 3°
EXPLANATION
Coral
Poo
Sandstone
chalky sand,
recrystallized
—
Goarse sand
a _ . a
pt
a
Fine sond
Pay
& .
No.
Nos.2 2A
Seo terrace”
\ ftfathoms
Lithothamnion
x
;
eo
160!
Tye
Fine
fo.
fc
s oltusks
m
S|:
roc
yy vy?
—
a ene chalky
Boece
fathoms
we
Reef
eo
38
ow
yo ay> Coral
Y,Yi Coral, Corpenterta
wear
Seo
2
2
——
Qh
f
a
LY.
py
cre aes
Vy eo
Cora!
Bloc.
150
~
AT
Se
shakytritusf:||
Loe
0}
S bs
§
-
\
SF]? Holimeda Yi
Lagoon ferrace
12 fothoms
gs 6s
f= &
ert
_
& pe yy, 28ghimeda
gh
see
Shee
uo
«=~
sont Fmd Coarse sand,
FScoarse
yi
Le 2 bee) Helimeda
Spon] Soarse
Be
eee
50
.
Cc
83
“oOo
«ee
Oo
—
—H
<—— 800-——
eG
U5
pe
ae
Low tide
0
4800
Coral in sondy motrin
.
Ss
ca
Replaced zore (i:mestone) —
Lod
Leached zone (covernous
Figure 2a.
limestone)
Geologic logs from Bikini Island boreholes (after Emery, Tracey and
Ladd, 1954, p. 75).
=.
<*
fore FF AK
¢
a”
Giarn
>“we
6
of
9000073
Figure 2b.
.
t
IN
ATOLL
Pee CE
9
Wau TicoL wes
A]
rT
.
3
r
Location of drill holes on Bikini Island
(after Emery, Tracey and Ladd, 1954, p. 74).