442 
THE VOYAGE OF H.M.S. CHALLENGER. 
46. Globigerina Ooze. — Station 246. 
Lat. 36° 10' N., long. 178° 0' E., 2050 fathoms (Brazier). 
Portion soluble in Hydrochloric ^ 
Acid -75 '84 / 
Acid — 19 ‘76 
Portion soluble in Hydrochloric } 
Acid -89 -68 1 
Portion insoluble in Hydrochloric 1 
Acid -3 -52 / 
Portion 
soluble 
Acid- 
96-82 
Portion insoluble in Hydrochloric 
Acid -2-43 
1 - 
Loss on ignition after drying at 230® Fahr. , 
4-40 
'Alumina, ..... 
2-92 
Ferric oxide, .... 
4-91 
Calcium phosphate, 
1-05 
Manganese oxide, .... 
1-10 
Calcium sulphate, .... 
0-56 
Calcium carbonate, .... 
. 47-57 
Magnesium carbonate, 
0-83 
^Silica, ..... 
. 16-90 
'Alumina, ..... 
2-90 
Ferric oxide, .... 
0-90 
Lime, ..... 
0-34 
Magnesia, ..... 
0-22 
.Silica, ..... 
. 15-40 
100-00 
GERiNA Ooze. — Station 293. 
. 105° 5' \V., 2025 fathoms (Brazier). 
Loss on ignition after drying at 230° Fahr., 
6-80 
Alumina, ..... 
1-30 
Ferric oxide, .... 
. 20-94 
Calcium phosphate, 
0-41 
Manganese oxide, .... 
4-80 
Calcium sulphate, .... 
0-46 
Calcium carbonate, .... 
. 54-67 
Magnesium carbonate. 
0-90 
^Silica, ..... 
6-20 
Alumina, ..... 
0-60 
Ferric oxide, .... 
0-30 
Lime, ..... 
0-12 
Magnesia, ..... 
0-10 
1 Silica, ..... 
2-40 
100-00 
finer parts had been washed away). — Station 296. 
;. 88° 2' W., 1825 fathoms (Brazier). 
Loss on ignition after drying at 230° Fahr., 
2-25 
Alumina, ..... 
4-50 
Ferric oxide, .... 
0-73 
Calcium phosphate. 
2-77 
Manganese oxide, .... 
good trace 
Calcium sulphate, .... 
0-68 
Calcium carbonate, .... 
. 82-66 
Magnesium carbonate. 
1*18 
t Silica, ..... 
3-06 
(-Alumina, ..... 
0-61 
Ferric oxide, .... 
0-12 
Lime, ..... 
0-14 
Magnesia, ..... 
0-06 
^Silica, ..... 
1-61 
100 00 
