18
Table 4,
Volatile/refractory ratio (volatile to refractory phase
relative amounts) as a function of particle size in fallout from Nevada
Test Site tower shots.
Particle
Tower shot
size (um)
Diablo
500-1000
--
350-500
“-
Shasta
Smoky
--
1.5 + 0.5
1.6 + 0.6
1.5 + 0.3
297 -350
1.2 + 0.1
1.6 + 0.9
1.4 + 0.5
250-297
1.3 + 0.1
1.4 + 0.5
1.8 + 0.4
210-250
1.5 + 0.4
1.6 + 0.4
1.4 + 0.3
177-210
1.3 + 0.1
1.5 + 0.4
1.6 + 0.5
149-177
0.4 + 0.4
1.5 + 0.4
1.9 + 1.0
125-149
1.2 + 0.2
1.9 + 0.6
2.1 + 1.2
105-125
1.4 + 0.7
1.8+0.5
88-105
1.2 + 0.2
2.1 + 0.6
44-88
1.4 + 0.3
1.7 + 0.3
<44
17401
|
|
2.2 + 0.4
~
1.5 + 0.4
2.4 + 0.9
>
2.3 + 0.8
2.5 + 0.4
The pertinent physical properties of fallout (G177, p. 411) from a
tower shot are summarized as follows:
®
Size--largest dimension between a few micrometers and a few
hundred micrometers.