Classification of Igneous Rocks. 
129 
128 Proceedings of the Royal Society of Edinburgh. . [Se 
List of 1000 Rooks 
Group. 
SiOg. 
TiO a . 
p 2 o 6 
h 2 o. 
A1 2 0 3 . 
Fe 2 0 3 . 
FeO. 
MgO. 
CaO. 
Na 2 0. 
KA 
Total. 
Sp. Gr. 
33 
18-0 
6-2 
7-1 
3-7 
8-2 1 
3-9 
•9 
100-3 
46-1 
1-2 
2-0 
21-2 
5-1 
8-0 
2-7 
10*4 
1-4 
•2 
98-3 
17 rocks 
50-9 
■8 3 
2 3 
20-2 
5 6 
4-3 
2-6 
6-4 
41 
2-5 
100-1 
2-94 
±1 
7 
±2-1 
±2-3 
L-3 
± 
1-5 
±8-9 
40 
baa 
b b b 
26-4 
i'll 
5-1 
1-5 
31 
•2 
100-0 
2-88 
22-2 
9-9 
3 6 
1-5 
8-4 
•9 
1-8 
100-5 
2-92 
27-6 
3-7 
91 
3 9 
1-5 
30 
•8 
100-7 
2-92 
1*1 
22-5 
2-2 
6-6 
37 
6-8 
50 
2-7 
101-2 
21-1 
3 2 
6-0 
5-0 
93 
2-3 
1-7 
100-0 
49-4 
*5 
23-1 
5-1 
6-0 
39 
9*1 
1-9 
1-0 
1000 
28-0 
12-3 
3*5 
2-7 
3*5 
■9 
101-0 
2-92 
49-2 
•6 
•7 
1-3 
191 
13-6 
3-1 
7-2 
3'6 
1-9 
100-3 
23 
19-4 
10-6 
2*6 
4-4 
• 7‘7 
33 
1-0 
100 5 
2- 
76 
18-0 
14-5 
3-4 
8-8 
1-6 
2-4 
100-2 
99 
47-9 
•6 
•8 
19-9 
4-9 
9*8 
4-6 
8-6 
2-8 
•6 
100-4 
2-93 
47-3 
*7 
2*7 
20-2 
133 
32 
7‘1 
39 
2-2 
100-6 
47 3 
•4 
19-6 
6-8 
8-0 
37 
1*7 
47 3 
23 
18-5 
146 
23 
7-6 
ro 
6*1 
100-3 
46-4 
•7 
32 
15-9 
15-0 
1*7 
93 
' 5 
69 
99 & 
15 rocks 
48-9 
•2 
•2 
1-3 
21-5 
7-2 5-6 
36 
6-9 
2-7 
2-1 
100-3 
2-93 
±ro 
±2-9 
±1 
•5 
1-3 
±8-7 
41 
b a b 
a a a 
59-3 
1-3 
92 
6-9 
4-4 
36 
12*0 
1-9 
2-3 
101-0 
•9 
16-5 
1-2 
4*9 
7-4 
3-6 
10 
100-8 
57-3 
•6 
•2 
■4 
16-4 
1'7 
4-8 
6-7 
7-7 
3*0 
1-6 
100-4 
56-7 
•6 
•2 
•3 
15-8 
1-3 
5-5 
7-2 
7-7 
3*4 
1-6 
100-2 
56-5 
•2 
17-5 
1-3 
5-1 
5-9 
1-5 
100-6 
56-2 
4 
16-6 
1-5 
5-5 
7-3 
7-6 
3-6 
1-6 
100-2 
55*9 
•3 
17-3 
1-5 
5-2 
73 
3-3 
1-3 
100-2 
54-6 
•6 
2-6 
12-1 
1-8 
5-2 
11-9 
1-0 
100-0 
546 
■5 
•2 
•3 
16-0 
10 
6-2 
8-7 
8-9 
31 
1-2 
100-6 
54*4 
■6 
31 
15-3 
5-2 
4-2 
1-0 
100-2 
54-4 
*8 
•6 
•6 
14-3 
33 
4*2 
61 
8 ’2 
3'4 
4-2 
100-2 
54-2 
•9 
2-4 
14-4 
2-3 
4-8 
7-7 
7 0 
2-6 
3-3 
1001 
2-78 
536 
•9 
2-6 
14-2 
1-5 
81 
7-1 
8-5 
1-8 
2‘0. 
100-3 
2- 
' 9 
53 .q 
•6 
2-2 
13-1 
8-2 
2-5 
5-2 
10-6 
3-3 
2-0 
100-7 
53-0 
1-2 
•8 
16-7 
38 
35 
7 0 
8-7 
36 
1*3 
525 
2*1 
12-2 
3-5 
5-2 
9-9 
9-7 
2-8 
2-3 
100-2 
2-92 f 
52-3 
•6 
(5-3) 
149 
35 
3-7 
58 
6-3 
2-9 
38 
51-2 
1*5 
6-1 
7-2 
7*8 
23 
10-6 
73 
25 
36 
100-0 
507 
1-1 
•3 
34 
16-0 
4-4 
4-3 
71 
9-1 
2-9 
1-1 
100-4 
1907-8.] 
— continued ., 
A. B. Lyons, A.J.S., ii., p. 424, 1896. 
jV. Jalirb ., 1905, vol. ii., p. 248. 
Basalt. 
Andesine diabase. 
Hawaii. 
N. Jalirb., 1900, vol. ii., p. 400. 
deal. Mag., 1904 (H. Warth). 
N. Jalirb, 1900, vol. ii., p. 400. 
N. Jalirb., 1905, vol. i., p. 437. 
N. Jalirb., 1901, vol. ii., p. 233. 
Wartlia. 
N. Jalirb., 1900, vol. ii., p. 400. 
N. Jalirb. , 1901, vol. ii., p. 59. 
Hatch, Petrology, p. 191. 
W. H. Hobbs, B.M.G.Z., xvi., p. 9, 1888. 
A. N. Winchell, A.G., xxvi., p. 374, 1900. 
Merrill, p. 220. 
N. Jalirb. , 1904, vol. ii., p. 400. 
N. Jahrb., 1892, vol. i., p. 317. 
N. Jahrb., 1892, vol. i., p. 317. 
Norite. 
Dolerite. 
Norite. 
Micro-essexite. 
Mica diorite with quartz. 
Lava. 
Norite. 
Diabase porphyrite with 
Olivine basalt. 
Diabase. 
Diabase. 
Diabase. 
Mangerite. 
Leucite basalt. 
Leucite basalt. 
St Michel. 
Poonah. 
Pellet. 
Nosykomba. 
Valbonne Valley, Pyrenees. 
Teneriffe. 
Pellet. 
Tanga. 
Garlton Hills. 
Medford, Massachusetts. 
Minnesota. 
Medford. 
Manger, Norway. 
El Capitan, N. S. Wales. 
Pryrock, N. S. Wales. 
N. Jalirb,, 1904, vol. i., p. 54. 
N. Jahrb., 1893, vol. iii, p. 339. 
J. S. Diller, A.J.S., xxxiii., p. 49, 1887. 
N. Jahrb., 1893, vol. ii., p. 339. 
N. Jahrb., 1893, vol. ii., p. 339. 
N. Jahrb., 1893, vol. ii., p. 339. 
A". Jahrb., 1893, vol. ii., p. 339. 
Whitman Cross, Table XIII. 
N. Jahrb., 1893, vol. ii., p. 339. 
<3. Journ., 1905, p. 589. 
IV. Jahrb., 1903, vol. i., p. 432. 
K. A. Lossen, Jb. Pr. G.L.A., x., p. 309, 1892. 
G. Mercalli, Att. Soc. Ital., Milano, xxx. , 
p. 371, 1887., 
Q. Mercalli, Gior. Min., iii., p. 102, 1892. 
W. Jahrb., 1905, vol i., p. 254. 
Teall, Brit. Petrog., p. 265. 
H. Loretz, Jb. Pr. G.L.A., viii., p. 112, 1888. 
W. Jahrb., 1903, vol. i., p. 414. 
Hague and Jagger, B.U.S.G.S., 168, p. 97, 
1900. 
Minette. 
Quartz basalt. 
Quartz basalt. 
Volcanic bomb. 
Lapilli. 
Volcanic sand. 
Quartz diorite. 
Lava. 
Quartz norite. 
Monzonite. 
Olivine weisselbergite. 
Andesite. 
Basalt. 
Basalt. 
Hornbl. angite diorite. 
Kersantite. 
Minette. 
Andesite. 
Strakoniz, Bohemia. 
California. 
California. 
California. 
California. 
California. 
California. 
California. 
California. 
St David’s Head. 
Montana. 
Piussia. 
Tuscany. 
Vulcano. 
Redcove, Yellowstone Park. 
Sutherland. 
' l’ 1 1 1 1 r 1 1 1 !_ r - -i- \v;ild. 
Zampach, near Eule. 
Yellowstone Park. 
n 
VOL. XXVIII. 
