344 
Mean composition of agpaites, Ilimausak. 
5 N L K Agp 
STEHE RATE | 50-42 | 46/93 | 55:12 | 51781 | 51°86 
Пн 64 18 36 35 33 
FO ich aut HE 33| “6402 Ob 79 
AD a ease, UN | 17°68 | 23-59 | 16:28 | 13-68 | 18:35 
О lt 4:29) 3:87 8:66. |. 7:32 6650 
iit ALU Let 536 | 216 | 353| 7-27 | 3°68 
Mn ER. | 08 08 29 | 57 23 
MØDE altre 8 1540)! traces!) 250300 1508 08 
лев | 2-28 | 17. 3:06] 1:13 
Bang. a | 14-16 | 1740| 11-30 | 975 | 13-26 
KRONE ut |: 2-60.) 2:96 | .2°75:) 13-92 Иа 
DITES ENT 11-72 [12:98:11 691 areas ee 
В liche! Me | trace as | = 
1100-39 100-67 | 100-02 | 100-03 | 100-95 
= | 15 | 13°) 1 SE 
S composition of sodalite-foyaite calculated at 100 per cent., 
with H,O omitted (analysis 5). 
N approximate mean composition of naujaite (mean of ana- 
lyses 6 and 7). 
L approximate mean composition of lujavrite (mean of ana- 
lyses 8, 9, 11, and 12). 
K approximate mean composition of kakortokite (sum of 
nine parts of white kakortokite (analysis 13), one part of 
red (14), and three parts of black kakortokite (15)). 
Agp. probable mean composition of the agpaitic batholite of 
llimausak, calculated: as a sum of one part of sodalite- 
foyaite (analysis S), three parts of naujaite (N), five parts 
of lujavrite (L), and one part of kakortokite (K). —- 
10 Аср. = S— 3N — 5L — K. 
