Ixxxii 
MANGANESE DEPOSITS OF INDIA. 
ateritoid ores): — 
metamorphosed type of 
■\ Psilomelane and p5T0. 
> lusite ; rarely braun. 
) ite and hollandite. 
I 
1 Psilomelane, pyrolusite, 
I" wad, pseudo-manga- 
I nite, and polianite(?). 
J 
At the end of this chapter the following classification is given of the 
manganese-ores associated with the Dharwar rocks : — 
Classification, according to origin, of the manganese-ores associated with 
the Dhdrwdr rocks. 
A. W^tli the less metamorphosed type of | 
Dharwars :— 
(a) . — Primary ores : — 
Balatiiiat* 
Panch Mahals* 
Singlibluim*(?) 
(b) . —Outcrop secondary ores 
Dharwar . 
Jabalpur* 
Mysore* . 
North Kanara . 
Panch Mahfils . 
Sandur Hills* . 
Singbhum* 
B. With the more 
Dharwars :— 
(a) — Primary ores : — 
a- Associated with the gondite series. 
Probably some in nearly all the areas men- 
tioned in c.a* 
IB. Associated with crystalline limestones. 
Nagpur district* .... 
(h). — Outcrop secondary ores: — 
o. Associated with the gondite s?ries. 
Probably some in nearly all the areas 
mentioned in ca. 
/3. In cavit'es in crystalline limestone. 
Nagpur district . . . 
(c) . — Deep secondary ores : — ■ 
a. Associated with spessartite- and rhodonite- 
bearing rocks (the gondite series) 
Narukot 
Jhabua* 
Palaghat* 
Bhandara* , 
Chhindwara* 
Nagpm-* 
/3. Associated with crystalline limestones contain- 
ing piedmontite, often spessartite, and 
rarely rhodonite. 
Chhindwara* ..... 
Na2pur ...... 
C. In latorite resting on the Dharwars : — 
l^elgautn* ...... 
Goa* 
Jabalpr.r 
• Occurroncca being worked in 1907 
I Same as c.a. 
■) Hollandite, 
) psilomelane. 
braunite, 
Soft, dirty ores 
melane and 
I site. 
Pyrolusite. 
; psilo. 
pyrolu- 
Psilomelane, braunite ; 
rarely hollandite, 
sitaparite, vreden- 
burgite. 
J 
■) Psilomelane, braunite, 
) and lioUandite. 
") Psi'omelane, pyrolu. 
site, pseudo-man 
ganite, and wad. 
