Figure 17.
Photomicrographs of Engebi beach sand on ashing
Magnification 23x,
except for A and D which are
&x.
plates counted May, 1953.
Photo c/m
A
1,970
Entire sample weighing 6.2 mg typical of plates
B
1,680
White sphere from upper right portion of A.
C
930
1 through 100.
.
Another white sphere fused to a larger irregular
particle.
D
1,130
Most of sample showing sphere of C near bottom.
E
3,300
F
1,160
Central, white sphere bearing two protrusions.
Total plate 3,800 c/n.
White sphere fused to irregular particles. Total.
G
2,900
Spheroid with equatorial protrusions.
H
.2,900
plate 2,900 c/n.
3,200 c/m.
Total plate
Other side of same particle (G) showing a dark
&
1,400
WR
1,900
Fr
8,000
BS
inclusion.
4,000-5,000 estimated using end window survey meter.
Fragments of a white, hollow sphere broken in
2,000
wom
I
7,800
450
6,000
ZO
.
Description or remarks
1,300
300
handling. Total plate 5,500 oft.
Three irregular particles.
Total plate 2,100 c/n.
Central,
‘Hottest" particle encountered; sphere with protrusion. Plate 8,600 c/n.
white sphere with protrusions.
plate 2,200 c/m.
.
Total
Irregular particle with heat-smoothed appearance.
End view of mottled, gray cylinder 1mm long.
Unsmoothed, chalky fragment.
Particle with heat-smoothed appearance of upper
surface.
Mottled, irregular particle.
Eight particles some of which were suspected of
being radioactive from their appearance,but which
gave no reading on end window survey meter.