108 PETROLOGY: IDDINGS AND MORLEY 
Table of Chemical Analysis and Norms of Baw^an Lavas 
1 
2 
4 
5 
6 
SiOz 
45 
85 
45.81 
47 
76 
55 
89 
55 
25 
53.58 
AI2O5 
13 
88 
15.61 
17 
29 
20 
93 
22 
58 
21.30 
FeaOj 
3 
89 
3.98 
2 
89 
1 
82 
1 
85 
2.16 
FeO 
4 
81 
4.94 
3 
55 
0 
42 
0 
58 
1.17 
MgO 
7 
69 
4.78 
4 
22 
0 
32 
0 
06 
0.71 
CaO 
11 
62 
11.66 
8 
06 
1 
23 
1 
35 
2.89 
NasO 
3 
08 
3.27 
4 
70 
10 
06 
8 
85 
5.31 
K2O 
4 
32 
4.31 
6 
77 
6 
18 
7 
29 
4.74 
H2O+ 
0 
64 
0.35 
0 
97 
0 
87 
0 
82 
3.56 
H2O- 
0 
50 
0.40 
0 
76 
0 
26 
0 
08 
2.34 
TiOa 
1 
09 
0.96 
0 
75 
0 
23 
0 
19 
0.37 
ZrOa 
0 
00 
0.00 
0 
01 
tr. 
tr. 
0.00 
CO2 
0 
50 
1.91 
0 
11 
0 
10 
0.00 
0.00 
P2O5 
0 
93 
0.75 
0 
78 
0 
18 
0 
11 
0.23 
0 
15 
0.26 
0 
25 
0.33 
0.39 
0.59 
F 
0 
03 
0.03 
0 
09 
0.09 
0 
12 
0.02 
0 
05 
U.Uo 
0 
03 
0.06 
0.05 
u .00 
Cr20, 
0 
06 
0.02 
0 
03 
tr. 
0.01 
tr. 
MnO 
0 
31 
0.20 
0 
41 
0.96 
0.20 
0.61 
BaO 
0 
14 
0.17 
0 
12 
0.06 
tr. 
0.13 
SrO 
0 
07 
0.07 
0 
12 
tr. 
0.05 
0.13 
99.61 
99.53 
99.67 
99.99 
99.83 
99.90 
Norms 
or 
17 
79 
23.35 
24 
46 
36 
70 
43 
37 
27.80 
20 
96 
18 
86 
40.35 
11 
12 
15.01 
6 
12 
28 
14.18 
14 
20 
15.05 
21 
58 
28 
12 
30 
39 
2.27 
Ic 
6 
10 
1.74 
12 
21 
C 
2.35 
ac 
5 
08 
ns 
1 
46 
di 
32 
85 
30.34 
23 
10 
4 
77 
0 
22 
wo 
2 
20 
ol 
5 
60 
1.39 
2 
36 
0 
44 
1.87 
mt 
5 
80 
5.80 
4 
18 
1 
86 
3.25 
hm 
0 
64 
il 
2 
13 
1.82 
1 
52 
0 
46 
0 
46 
0.76 
ap 
2 
02 
2.02 
2 
02 
0 
34 
0 
34 
0.34 
1 
93 
3.02 
2 
25 
1 
71 
1 
52 
6.57 
99.54 
99.54 
99.80 
100.04 
100 
14 
99.74 
1. Vicoite, shonkinose-cascadose, III. '7. 2. 3, Grotjokan Falls. 
2. Vicoite, ourose-shonkinose, 'III. 6. 2(3). 3, Grotjokan Falls. 
3. Vicoite, janeirose-baweanose, II (III). 7. (1)2. 3, Tandjung Anjer. 
4. Tinguaite, miaskose-laurdalose, (I)II. 6'. 1. '4. S. of Limpang Kopeng. 
5. Tinguaite, beemerose-miaskose, I. 6'. 1. (3)4, S. W. spur Gunung Besar. 
6. Sodalite-trachyte, pulaskose-laurvikose, I'. 5. 2. (3)4, West side of Pulu Mepuri. 
