134 Proceedings of the Eoyal Society of Edinburgh. [Si 
List of 1000 Rocks 
Group. 
Si0 2 . 
Ti0 2 . 
P 2 0 5 . 
h 2 o. 
A1 2 0 3 . 
FejOj. 
FeO. 
MgO. 
CaO. 
Na a O. 
K a O. 
Total. 
Sp. Gr. 
45 
46-2 
7-7 
17-0 
5-2 
•9 
7-1 
10-2 
2‘4 
40 
1010 
45-7 
3-3 
■2 
4-8 
143 
4-1 
56 
2-7 
10’4 
5-5 
3-6 
100-1 
2-77 
15 rocks 
49*0 
■9 
•4 
2-4 
17-9 
3-8 3-8 
50 
11-1 
4-2 
2-1 
100-6 
2-82 
± 
•5 
±1-9 
±1-3 
2*5 
±2 
•2 
±9-4 
46 
b ab 
b ab 
50-3 
1-8 
18-7 
4-3 
4*7 
9*4 
4*1 
1-4 
100-6 
50-2 
•3 
(•51 
22-7 
33 
3-6 
4*5 
10-4 
33 
100-0 
50-2 
11 
19-4 
8-2 
7-1 
10-2 
3-8 
1-2 
101-3 
not 
49-7 
•2 
(■8) 
20-8 
10 
5-5 
6-5 
10-8 
35 
1-4 
100-2 
given 
496 
•2 
2-0 
14-5 
3 5 
5-5 
6-2 
90 
35 
50 | 
100-8 
49-3 
1 
21-6 
2-3 
7 3 
7-8 
10-2 
2-1 
•3 
1010 
2 -97 
49-2 
•3 
•8 
1>7 
6’9 
20 
4-2 
12-7 
21 
5-2 
101-1. 
48-4 
1*1 
20-3 
4-0 
6-4 
8-1 
8-8 
1-8 
20 
100-9 
48-4 
23-7 
80 
60 
HO 
2-6 
1-1 
101-4 
47-9 
5-0 
191 
20 
6-4 
6-2 
2-5 
5-5 
98-9 
47-3 
1-5 
1-6 
■1 
18-3 
2-2 
60 
7-9 
io 
99-6 
2*86 
47-3 
•3 
21-1 
3-5 
8-1 
13-4, 
1-5 
•3 
100-2 
2-95 
46-6 , 
3-5 
21-6 
2-9 
6-4 
6*5 
9-3 
32 
■9 
100-9 
46-4 
•3 
•6 
26-3 
20 
33 
4-8 
153 
1-6 
•2 
100-8 
2-88 ? 
45-9 
1-0 
21-2 
2-2 
7-1 
7*8 
10*5 
32 
11 
100-0 
2-98 
45-7 
2-8 
20*5 
2 0 
4-2 
8-5 
11-6 
3-6 
■8 
99-8 
2-8 
1-0 
18-6 
•8 
6-8 
7-5 
13-2 
2-3 
1*3 
99-5 
44-3 
4-1 
17-2 
4-6 
38 
6*6 
10-4 
4-5 
30 
99-1 
18 rocks 
47 - 9 
•4 -1 
1-4 
20-2 1 
3-8 
4-4 
60 
10-6 
31 
1-9 
100-3 
2-91 
±'l 
L-4 
±2-0 
+T2 
±1 
. ±r 
■7 
±8-1 
47 
b abb b a 
51-4 
•6 
•7 
1-1 
18-5 
29 
5-2 
1-3 
7-3 
6-7 
4-4 
100-1 
2-75 
51-1 
1-4 
' -9 
21-1 
•9 
5-6 
2-8 
5-3 
4-2 
99-7 
49 '9 
1-2 
24-4 
61 
3*9 
90 
5-3 
•3 
100-7 
493 
•8 
•6 
3*5 
16-1 
7-9 
3 4 
2-7 
80 
5-2 
3-4 
100-9 
2-63 
48-7 
1-8 
18-9 
3-2 
80 
4-8 
90 
4-1 
1-5 
100-9 
48-7 
1*1 
1-0 
17-9 
31 
31 
60 
2-6 
100-0 
48-6 
1-8 
17-9 
62 
5-8 
43 
9-1 
4-7 
2-1 
100-4 
2-7*7 
48*5 
2-1 
21-3 
10 
4*1 
40 
3-2 
99-7 
48-3 
•3 
1-7 
30 
166 
65 
1-2 
7-8 
9-4 
101-3 
48-3 
2-1 
190 
40 
3*5 
80 
50 
2-4 
2*88 
47-4 
23-6 
4-6 
1-2 
*7 
4-4 
151 
20 
99-1 
46-6 
1-0 
24-4 
1-6 
104 
5-5 
1-4 
99-9 
46-5 
10 
47 
16-2 
6-2 
6 ‘ 1 , 
40 
7-4 
5-9 
31 
100-9 
2*7*2 
44-5 
1-4 
21 
23-0 
68 
1-6 
8-7 
67 
4-8 
99-6 
43-7 
•9 
1-3 
•9 
19-8 
33 
3 5 
3-9 
103 
9-8 
2-9 
100-3 
43-0 
•6 
24-6 
3-6 
2-2 
20 
5-5 
14-8 
30 
100-0 
42’8 
1*7 
1-7 
1-0 
199 
4-4 
2-7 
1-9 
11-8 
9-3 
1-7 
98-8 
Classification of Igneous Eocks. 
135 
1907-8.] 
— contmued. 
0 Jov/rn., 1879, p. 166. 
K. Gruss, ML Bad. G.L.A., iv., p. 115, 1900. 
Mica trap. 
Monchiquite. 
Near Staveley. 
Kaiserstuhl. 
if. Jahrb., 1893, vol. i., p. 490. 
if. Jahrb., 1904, vol. ii., p. 399. 
Q. Journ ., 1884, p. 456. 
if. Jahrb., 1904, vol. ii., p. 399. 
L. V. Pirsson, B.U.S.G.S., 148, p. 153, 1897. 
if. Jahrb., 1900, vol. ii., p. 400. 
if. Jahrb., 1899, vol. i., p. 97. 
if Jahrb., 1901, vol. ii., p. 233. 
if. Jahrb., 1900, vol. i., p. 224. 
Q. Jo urn., 1879, p. 174. • 
if. Jahrb., 1900, voL ii., p. 234. 
Q. Journ., 1902, p. 169. 
Schilling, Die Grunstemgen. Gesteine d. S. 
Hanes, 1869, p. 26. 
Q. Journ., 1902, p. 169. 
E. v. Seyfried, cf. N.J., 1898, ii., p. 61. 
if. Jahrb., 1893, vol. ii., p. 503. 
if. Jahrb., 1905, vol. i., p. 437. 
J. E. Wolff, B. U.S.G.S., 150, p. 201, 1898. 
Diabase. 
Labradorite rock. 
Labradorite rock. 
Leucite syenite. 
Gabbro. 
Leucite basalt. 
Mica diorite (mean of 2). 
Gabbro. 
Mica trap. 
Plagiocl. basalt. 
Gabbro. 
Diabase, fine-grained. 
Gabbro. 
Basalt. 
Gabbro. 
Oliv. barkevikite gabbro. 
Theralite. 
Vogesen, Elsass. 
Lindaas, Norway. 
Kai Province, Japan. 
Rodoe, Norway. 
Montana. 
Quarry des Bois. 
Morolo, Italy. 
Valbonnev, Pyrenees. 
Kullen. 
Kendal district. 
Mexico. 
Skye. 
Harz. 
Skye. 
Rhongebirge (Kreuzberg). 
Rosswein, Saxony. 
Nosykomba. 
Montana. 
if. Jahrb., 1904, vol. i., p. 275. 
if. Jahrb., 1905, vol. i., p. 437. 
C. F. Kolderup, Berg. Mus. Aarb., 1896, No. 5, 
N?Jahrb., 1904, vol. i., p. 58. 
Q. Journ., 1906, p. 112 (Dr Evans), 
if. Jahrb., 1904, vol. ii., p. 410. 
R. Speight, Tr. N.Z. Ins., xxvi., p. 409, 1894. 
if. Jahrb., 1905, vol. i., p. 437. 
Roth, Zeitsch. d. d. geol. Qessel, 1864, p. 97. 
Q. Journ., 1904, p. 481. 
if. Jahrb., 1901, vol. ii., p. 239. 
if. Jalvrb., 1904, vol. i„ p. 68. 
if. Jahrb., 1893, vol. i., p. 322. 
if. Jahrb., 1893, vol. ii., p. 347. 
if. Jahrb., 1901, vol. ii., p. 239. 
if. Jahrb., 1901, vol. ii., p. 239. 
if. Jahrb., 1892, vol. i., p. 308. 
Hauyne teplirite. 
Covite. 
Norite. 
Sodal. aug. syenite. 
Basalt. 
Essexite. 
Dolerite. 
Diabase essexite. 
Leucitite. 
Granulite dolerite. 
Ijolite (soda sussexite). 
Labradorite rock. 
Monchiquite, glassy. 
Elaeol. syen. porphyry. 
Ijolite. 
Ijolite. 
Nephelinite (ijolite). 
Bohemia. 
Nosykomba, Madagascar. 
Norway. 
Grosspriessen. 
Kilao. 
Mount Royal. 
New Zealand. 
Janjpa, Madagascar. 
Shropshire. 
Kuusamo, Finland. 
Brazil. ' 
Arkansas. 
Kuusamo, Finland. 
Kuusamo, Finland. 
Finland. 
