CiiAi'. XXXIII.] 
IJUANUARA : SUKLI. 
Y43 
was broken from the outcrop on the hillock, obviously poor ore being 
rejected ; it c-onsistod largely of the braunite-psilomelane mixture. 
The Imperial Institute analysis shows : — 
Sumidu No. 46. 
Manganese peroxide ....... GO' 72 
Manganese protoxide ....... 20' 18 
Ferric o.xido , . . . . . . . (>• 1.5 
Silica (combined) ..*... . 2' 05 
Silica (free) . . 0-:j5 
Phosphoric oxide ....... 0'2!) 
Moisture at 100°('. . . . • . . . 1-00 
This is equivalent to : — 
Manganese ......... 54'i)7 
Iron 4-30 
Silica 2-30 
Phosphorus . . . . . . . . . 0*13 
Moisture . . . . . . . . . 1-00 
and indicates the presence of some 20 % of braunite, the remainder 
being psilomelane. 
Mr. H. D. Coggan has supplied me with the following figures as giving 
the average analysis of the ore raised during 1905 and 1906 : — 
Manganese 
Silica 
Phosphorus 
This concession, which also includes the very south end of the Sita- 
The working of the pathur deposit, has been worked since 1905. It 
deposit. is connected by the steam-tramway to Tumsar 
Output. Road Station, 29 miles distant. The yearly 
output is shown below : — 
Year. Long tons. 
1905 
1906 
1907 
3,519 
16,529 
30,615 
