REPORT ON THE DEEP-SEA DEPOSITS. 
443 
49. Globigebina Ooze. — Station 297. 
Lat. 37° 29' S., long. 83° 7' W., 1775 fathoms (Brazier). 
Portion soluble in Hydrochloric 
Acid =92-23 
Portion insoluble in Hydrochloric 
Acid = 3 -67 
} 
Loss on ignition after drying at 230° Fahr., . 4 -10 
'Alumina, . . . , . .1-95 
Ferric oxide, . . . . .3-69 
Calcium phosphate, . . . .0-19 
Manganese oxide, .... good trace 
Calcium sulphate, . . . . . 0’44 
Calcium carbonate, . . . . . 81'13 
Magnesium carbonate, . . . .0-85 
..Silica, . . . . , .3-98 
r Alumina, -i 
1 Ferric oxide, j ■ • • • • ® 
= -j Lime, . . . . . . 0'39 
I Magnesia, . . . . . .0-16 
LSilica, ...... 2-77 
100-00 
50. Globigebina Ooze. — Station 300. 
Lat. 33° 42' S., long. 78° 18' W., 1375 fathoms (Brazier). 
Portion soluble in Hydrochloric 
Acid =82 -05 
Portion insoluble in Hydrochloric 
Acid = 16 -25 
Loss on ignition after drying at 230° Fahr,, 
Alumina, . . . . . 
Ferric oxide, . . . . 
Calcium phosphate. 
Manganese oxide, .... 
Calcium sulphate, . . . . 
Calcium carbonate. 
Magnesium carbonate. 
Silica, . . . . . 
Alumina, . . . . . 
Ferric oxide, . . . . 
Lime, . . . . . 
Magnesia, . ■ 
Silica, ..... 
1- 70 
4-75 
4-50 
trace 
0-85 
0-29 
62-17 
0-94 
8- 55 
3-79 
2- 06 
0-96 
0-14 
9- 30 
100-00 
51. Globigebina Ooze. — Station 302. 
Lat. 42° 43' S., long. 82° 11' W., 1450 fathoms (Brazier). 
Loss on ignition after drying at 230° Fahr., . 1-00 
'Alumina, . . . . . .1-00 
Ferric oxide, . . . ■ 1’72 
Calcium phosphate, . .0-28 
Portion soluble in Hydrochloric ) _ Manganese oxide, 
Acid = 97-18 ) Calcium sulphate, ..... 0-73 
Calcium carbonate, . . . . ■ . 91 -32 
Magnesium carbonate, . .0-30 
.Silica, ...... 1‘83 
Portion insoluble in Hydrochloric I ■ ir ■ -j -r i .oo 
I = Consisting of alumina and ferric oxide, with silica, 1 82 
Acid=l-82 / ° 
100-00 
