CiiAr. XXX.] 
PANCII MAHALS DISTRICT. 
655 
The figures given in tlie last column cannot, however, be taken as re- 
presenting the average of the ore worked, because they include figures for 
deposits giving high amounts of silica that have naturally been left alone 
by the miners. The two analyses A. 45 and A. 46, pages 657 to 659, more 
nearly represent the quality of the ore exported. Mr. East informs me 
(December 1906), that the average ore despatched runs about : — 
Manganese ........ 52 
Silica 4 to 6 
Phosphorus . . . . . . . .0-17 
Messrs. Shaw, Wallace & Co. of Bombay have furnished me with the fol- 
lowing analyses of Bamankua ores, by Messrs. J. & H. S. Pattinson of 
Newcastle, representing : — 
1. 'The main reef hard Ore.' 
2. ' The float Ore at the foot of the hill. ' 
3. ' Soft Ore from a part of the hill.' 
1. 
2. 
3. 
Manganese ...... 
56-65 
55-59 
5006 
Silica ...... 
5-30 
2-85 
3-30 
Phosphorus ..... 
0-189 
0-170 
0-258 
Messrs. Shaw, Wallace & Co. remark that it is hardly hkely that ore of so 
high a manganese percentage will be mined throughout, and that an 
average of 48 to 50 per cent, is hkely to be obtained by ordinary fair 
selection. 
As already mentioned, my examination of the Sivarajpur outcrops in 
Economic value of their virgin condition did not lead me to form a very 
the deposits. favourable opinion as to their economic value, especi- 
ally for working at times of low prices. All that I could say was that it 
would be necessary to open up the deposits a little, before it could be 
definitely stated that any of them had much economic value. I am told 
by Mr. East that, as the result of such development work, the existence 
of very large quantities of ore has been proved, and that many of the 
outcrops of manganese-ore — apparently of little value as judged from 
their outcrops, on account of the presence of abundance of quartz or other 
impurity — have been found to contain much less foreign matter below 
the surface, and to consist to a considerable extent of merchantable ore. 
