THE VOYAGE OF H.M.S. CHALLENGER. 
4 <)<) 
99. N[.\xoan*ese Nodple. — Station 160. 
Portion soluble in Hydrochloric \ 
Acid — 70 ’30 / 
Portion insoluble in Hydrochloric "1 
Acid = 9 -30 ] 
Lat. 42° 42' S., long. 134° 10' E., 2600 fathoms (Br 
Loss on ignition after drying at 230° Fahr., 
. 20-40 
Copper, ..... 
good trace 
Alumina, ..... 
2-00 
Ferric oxide, .... 
. 19-08 
Calcium phosphate. 
0-20 
Slanganese oxide, .... 
. 32-48 
. Nickel, ..... 
good trace 
Cobalt, ..... 
Calcium sulphate, .... 
0-58 
Calcium carbonate, .... 
3-07 
1 Magnesium carbonate. 
1-72 
1 Silica, ..... 
11-17 
( Alumina, ..... 
0-45 
j Ferric oxide, .... 
0-50 
Lime, ..... 
0-35 
Magnesia, ..... 
0-20 
1 Silica, ..... 
7-80 
— Irregular-shaped nodules. 
100-00 
100. M.\xg.\xese Nodule (external portion). — Station 160. 
2600 fathoms (Brazier). 
Portion soluble in Hydrochloric' 
Acid = 75 '60 
Lat. 42° 42' S., long. 1.34° 10' E., 
Portion insoluble in Hydrochloric 1 
Acid- 13-40 ) 
Lo.ss on ignition after drying at 230° Fahr., 
. 11-00 
r Copper, 
abundant trace 
Alumina, 
4-60 
Fen-ic oxide. 
. 16-70 
Calcium phosphate. 
mere trace 
Manganese oxide, . 
. 39-32 
Calcium sulphate, . 
0-58 
Magnesium carbonate. 
1-60 
Calcium carbonate, . 
3-00 
. Silica, 
9-80 
r Alumina, \ 
Ferric oxide, J 
1-00 
Lime, 
0-28 
Magnesia, . 
0-12 
^ Silica, 
12-00 
100-00 
101. Manganese Noddle (internal portion). — Station 160. 
2600 fathoms (Brazier). 
Lat. 42° 42' S., long. 134° 10' E. 
Portion soluble in Hydrochloric 1 
Acid -73-72 /' 
Portion insoluble in Hydrochloric 1 
Acid- 16 03 /" 
Loss on ignition after drying at 230° Fahr., 
. 10-25 
' Copper, 
abundant trace 
Alumina, 
1-80 
Ferric oxide. 
. 15-10 
Calcium phosphate. 
mere trace 
Manganese oxide. 
. 33-62 
Calcium sulphate, . 
0-58 
Calcium carbonate. 
3-00 
Magnesium carbonate. 
3-02 
i Silica, 
. 16-60 
f Alumina, 
2-10 
Ferric oxide, 
1-50 
Lime, 
0-40 
{ Magnesia, . 
0-30 
^Silica, 
11-7^ 
100-00 
