REPORT ON THE DEEP-SEA DEPOSITS. 
429 
12. Red Clay (after the finer parts had been washed away). — Station 160. 
Lat. 42° 42' S., long. 134° 10' E., 2600 fathoms (Brazier). 
Portion soluble in Hydrochloric 
Acid = 73 -47 
} 
Portion insoluble in Hydrochloric 
Acid = 21 -53 
} 
Loss on ignition after drying at 230° Fahr. , 
r Alumina, ..... 
Ferric oxide, .... 
Calcium phosphate, 
^ J Manganese oxide, .... 
I Calcium sulphate, .... 
Calcium carbonate, .... 
Magnesium carbonate. 
Silica, . . . . . 
r Alumina, . . . . . 
Ferric oxide, .... 
= -{ Lime, ..... 
I Magnesia, ..... 
L Silica, ..... 
13. Red Clay. — Station 226. 
Lat. 14° 44' N., long. 142° 13' E., 2300 fathoms (Brazier). 
5-00 
10-25 
2-82 
2-09 
1- 99 
0-29 
36-80 
0-76 
18-47 
4-03 
2 - 02 
0-79 
0-18 
14-51 
100-00 
Portion soluble in Hydrochloric 
Acid = 57 -30 
} 
Portion insoluble in Hydrochloric 
Acid = 38 -50 
} 
Loss on ignition after drying at 230° Fahr. , 
4-20 
Alumina, 
4-80 
Ferric oxide. 
. 15-20 
Calcium phosphate, . 
good trace 
Manganese oxide. 
1-14 
Calcium sulphate, . 
0-46 
Calcium carbonate. 
6-11 
Magnesium carbonate. 
0-75 
Silica, 
. 28-84 
Alumina, 
3-31 
Ferric oxide. 
5-79 
Lime, 
0-45 
Magnesia, 
0-40 
Silica, 
. 28-55 
100-00 
14. Red Clay. — Station 241. 
Lat. 35° 41' N., long. 157° 42' E., 2300 fathoms (Brazier). 
Portion soluble in Hydrochloric 
Acid = 62 -20 
} = 
Portion insoluble in Hydrochloric 
Acid = 33 -50 
} 
Loss on ignition after drying at 230° Fahr. , 
f Alumina, ..... 
I Ferric oxide, .... 
j Calcium phosphate, 
1 Manganese oxide, .... 
I Calcium sulphate, .... 
I Calcium carbonate, .... 
I Magnesium carbonate, 
^Silica, . . . . . 
J' Alumina, . . . . . 
Ferric oxide, .... 
. Lime, . . . . . 
Magnesia, . . . . . 
Silica, ..... 
4- 30 
6-00 
2-91 
2-09 
1- 14 
0-49 
. 22-63 
0-94 
. 26-00 
5- 30 
2 - 20 
2-20 
0-40 
. 23-40 
100-00 
