722 
MANGANESE DEPOSITS OF INDIA: DESCRII>T1VE. [PaRT IV: 
from here was analysed at the Imperial Institute with the follow- 
ing result : — 
Sample No. 60. 
Manganese peroxide . . . . . . 71 '53 
Manganese protoxide ...... 9-43 
Ferric oxide . . . . . . . . 7 '54 
Ahnnina . . . . . . . . . 2-15 
Baryta 3-86 
i; Lime 0-58 
Magnesia 0-C9 
Silica (combined) . . . . . . . 1-20 
Silica (free) 1-42 
Phosphoric oxide ....... 0'12 
Arsenic oxide ........ O'OlO 
Water (combined) . . . . . . . 1-33 
Water (at UWC.) 0-12 
Carbon dioxide . . . . . . . 0'19 
100-17 
This is equivalent to : — 
Manganese . . . . . . . . 52' 63 
Iron 5-28 
Silica 2-62 
Phosphorus ........ 0'05 
Moisture ........ 0-12 
An analysis of all the ore stacked on the mine at some time in 1902 
was made by Mr. G. M. Prichard, then chemist to the Central Provinces 
Prospecting Syndicate, with the following result : — 
Manganese peroxide l ..... . 74' 71 
Manganese protoxide 1 . . . . . . 4*35 
Ferric oxide . . . . . . . . 6*34 
Alumina . . . . . . . . . 2 '36 
Baryta 0-14 
Lime 0-20 
Magnesia. . . . . . . . . 0'33 
Alltalies (soda and i)ota.sh) ..... 2'05 
Silica 4-80 
Phosi)horic oxide ....... 0' 15 
Water (combined) 2-13 
Moisture ........ 0-r>7 
Carbon dioxide ....... 0*50 
Organic matter . . . . . . . I'.TI 
This is equivalent to : — 
Manganese . . . . . . . . 50-60 
Iron ......... 4-44 
Silica 4-80 
Phosphorus ........ 0-065 
Moisture ........ 0-57 
J Calculated from % of Mp on assumption that analysis totals to 100, 
