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.

Select target paragraph3