and we furthor concentrated ony effort thore in a section of
reef near tho noerth end of the etoll which is roughly throa maics
Jeng and cne mile wide,
Thore are four dslands in this section
of reel with a total avoa of about CO cquare miles,
.
Se ye
wee
.
4
ah
+
“wet
In this beorad owan where wo have made collections end
Ls
’
*
.
te
observations,
we *further
limited
we
-%
fas
4
onvseives
for the
princinal
2
rH
Q
is
9
to
om
u
ey
fe
3
§
0)
he
fae
HY
3
ay
o
oO
Q
C3
mr
c.
fue
%
ay
°
i
2
oO
bet
tet
yp
et
mS
pte
I
[40
fet
o
en
Fe
p
8
m
somolblins: provran to radioactivity doterminatioens to onc island
of about 15 ceres, and the width of the reef in this cntivre
area runs botwwaca ene and one and a quarter isilos,
Unfortunately, ZI cannot show you the photographs, but I
“would like to diagram bricfly on the bhaekboard the broad sones
this is a geod areca as far as proxinity to the tcost site, and
also hore Wa have represented most of the magor lise zones that
are found in the Atoll.
This dis not
vues for any given section
ef reef in the Atoll,
first of all, wa will start at the soa and at the roof,
marsin on the seaward sics where we have tho grooved arona.
I
believe Dr, Odua, this afternoon, will show a photogravph.
At
this lip, we nave the so-cnalled Lithethambian Ridze.
Tho R4ez0
is not too prominent in this arga, but it cofinitely is distinguishable as a very Slight risa.
The Lithothanbian Ricco
is made up of coral algne, coral lithium principally, and it is