148 Proceedings of the Royal Society of Edinburgh. [Sess. 
List of 1000 Rocks 
Group. 
Si0 2 . 
Ti0 2 . 
p 2 o 5 . 
h 2 o. 
A1 2 0 3 . 
Fe 2 0 3 . 
FeO. 
MgO. 
CaO. 
Na 2 0. 
k 2 o. 
Total. 
Sp.Gr. 
■3 
60 
5-9 
17-1 
10-4 
3-5 
2-0 
100-2 
307 
365 
8'4 
9-9 
6-7 
6-0 
18-1 
10-3 
31 
1-6 
100-6 
2-99 
13, rocks 
42-2 
1*5 
•2 
1-9 
12-0 
4-3 
6-1 
16-6 
12-0 
1-8 
_1« 
100-2 
2-95 
±i-9 
±3-0 
±3-4 
±] 
L-9 
±2 
-1 
±12-3 
63 
bbbbb a 
14*4 
4-4 
5‘8 
12-0 
11-7 
2-4 
1-5 
99-9 
3-45 
15 
1-0 
13-1 
10-6 
126 
100 
26 
2-0 
100-5 
44-2 
1'6 
l-l 
10-2 
9-7 
63 
12-0 
11-3 
2-7 
1-1 
100-2 
42-9 
1 
•4 
1-8 
10-9 
43 
8-9 
14*0 
13-2 
32 
•6 
100-4 
6*5 
120 
2-7 
8-3 
12-0 
11*8 
2-7 
2-2 
100-5 
2-91 
421 
1-9 
3 
31 
12-2 
2-7 
7-9 
11*5 
11-3 
5-1 
1-1 
99-2 
2-97 
•5 
10 
10-2 
90 
10-6 
9-2 
16-4 
1-3 
100-8 
3*7 
8-1 
12-7 
37 
10-1 
13-6 
3-6 
1-2 
100-0 
2-1 
2-9 
12-4 
6-3 
4‘8 
13-6 
109 
3-4 
1-7 
99-9 
3 : oi 
41-5 
•8 
20 
1-5 
14-0 
8-3 
53 
7-7 
136 
4'0 
1-6 
100-3 
305 
41-3 
•9 
1-6 
87 
106 
7-5 
11-5 
13*1 
3-4 
100-4 
38-9 
1*6 
5*2 
15-4 
5-1 
4-7 
5-6 
16-5 
5-3 
1-8 
100-6 
38-0 
35 
•3 
1-1 
11*8 
7-8 
61 
11-9 
14-5 
39 
2-0 
100-9 
36-5 
31 
1-4 
102 
83 
9-3 
8-2 
18-8 
2-1 
1-1 
99-1 
14 rocks 
419 
1-3 
•4 
2-4 
117 
73 
J- 4 
109 
133 
33 1-4 
100-2 
325 
1-8 
±1*7 
±2 
1-8 
L-5 
•0 
±8-8 
64 
b b b 
b b b 
44-8 j 
•5 ! 
2-2 
15*4 
34 
6-7 
128 
9*8 
30 
r’7 
100-3 
2-98 
423 
2-2 
•3 
2-8 
12-1 
50 
6-3 
15-2 
9-8 
2-7 
1-9 
101-6 
3-07 
41-3 
1-2 
1-5 
5-4 
97 
100 
11-5 
4*6 
1-0 
100-6 
41*2 
1-2 
3*8 
12-4 
63 
8-0 
9-7 
11-1 
2-4 
3 7 
99-8 
40-9 
•7 
•9 
1-4 
10-5 
3-4 
10-4 
14-6 
12-6 
3-2 
1-1 
100-0 
3 : ii 
40-7 
1-3 
32 
8-4 
14-3 
120 
11-4 
2-3 
■8 
100-7 
399 
•5 
100 
129 
14-8 
133 
2-5 
1-8 
100-6 
3*19 
39 0 
3-4 
19-8 
30 
4-5 
12-1 
•9 
99-4 
380 
2-0 
1-6 
1-6 
14-4 
7-9 
7-0 
10-2 
10-6 
5-2 
1-9 
100T 
37-8 
•6 
19'9 
35 
12-7 
11 0 
14-7 
1-7 
101-8 
36-4 
■4 
10 
63 
12-9 
8-3 
4-6 
11-4 
14-5 
1-0 
30 
99-8 
358 
■5 
•7 
10 
13-4 
168 
4-0 
8-8 
150 
38 
•7 
100-5 
356 
8-0 
11-3 
9-3 
6-7 
14-7 
90 
39 
1-8 
lOOT 
3-05 
13 rocks 
39-5 
1 1-3 
■5 
2-2 
13-5 
7-0 
12-4 
12-0 
2-9 
1*5 
100-4 
3-06 
±2-2 
±2-6 
± 
2-7 
— 
2-2 
1-2 
±10-9 
1907- 
-continued. 
Classification of Igneous Rocks 
N. Jahrb., 1902, ii., p. 67. 
N. Jahrb., 1903-4, suppl. 18, p. 465. 
■V. 1 904, vul. i„ p. 68. 
N. Jahrb., 1903-4, suppl. 18, p. 466. 
N. Jahrb., 1888, vol. i., p. 116. 
N. Jahrb., 1905, vol. ii., p. 213. 
N. Jahrb., 1903-4, suppl. lb, p. 465. 
N. Jahrb., 1893, vol. ii., p. 347. 
K. Oebbeke, Jb. Pr. G.A.L.A., is 
1889. 
N. Jahrb., 1892, vol. i., p. 278. 
A". Jahrb., 1904, vol. i., p. 54 
A 7 . Jahrb., 1903-4, suppl. 18, p. 465. 
A Jahrb., 1905, vol. i., p. 271. 
A 7 . Jalirb., 1903-4, suppl. 18, p. 
A. Jahrb., 1903^, suppl. 18 
A Jahrb., 1903, vol. l., p 
A- Jahrb., 1902, vol. ii., p. 
Lonvinson-Lessine. ~ " 
1900, p.166. 
A. Jahrb., 1903, ii., p. 347. 
A. Jahrb., 1903-4, suppl. 18, p. 464. 
0- (irubenmann, In. Dies. Zurich, 1886, p. 
464 
Sk. Jushno. Doi'pat. 
Melilite basalt. 
Basalt. 
Basalt. 
Olivine basalt. 
Monchiquite. 
Limburgite. 
Pyroxenite. 
Basalt. 
Nepheline basalt. 
Nepbeline basalt. 
Basanitoid basalt. 
Elaeolite syenite. 
Nepbeline basalt. 
Neplieline syenite. 
Nepbeline basanite. 
Nepbeline basalt. 
Limburgite (also group i 
Basalt. 
Arifcgite. 
Basanitoid basalt. 
Magnetite gabbro. 
Ouachitite: 
Oetz Valley. 
Nassau. 
Ficbtelgebirge. 
West Indies. 
Grainbank, Orkney Isl. 
Near Cassel. 
Mai Inverno, Monzoni. 
Fichtelgebirg'e. 
Rhon. 
Rhein. 
Ficbtelgebirge. 
Arkansas. 
Ficbtelgebirge. 
Arkansas. 
Hessen. 
Essigberg, near Cassel. 
Schluckenau, Bohemia. 
Near Giessen. 
Scbanzberg, Bohemia. 
Fichtelgebirge. 
Lobauer, Berg. 
Lberz, France. 
Pot. sulph. 
Arkansas. 
Rhon. 
Hegau, Baden. 
