i ea a I 1 I | l I I 7 i _ 5 Le ? -= y lOe = 5} o a +. e = = — oO 2]<I oH a 5 }- L. m ol. 10" 40 Figure 16. As ZIRCONIUM = TOTAL SAMPLE _ Cs CALCIUM-STRONTIUN OD = RUTHERIUM E=CERIUI F= TRIVALENT RARE EARTHS G = BARIUM { DAYS t 60 AFTER Li } 530 ! _ I 100 ! \ i20 DETONATION, NOVEMBER i 1, 1952 140 Decay curves of radiochemically-separated fractions of Rojoa dredged sand. ~ 84 - 4 ROHN