Chap. XIV. ] dharwar ores : classification. 
305 
Table 22. 
Classifieat'on, according to origin, of the manganese-ores associated with 
the Dhdrwdr rocks. 
A. With the less metamopphosed type of 
Dhapwar s 
(a) — Primary orei : — 
Balaghat* 
Panch Mahals* 
Singhblium*(?) 
(6). — Outcrop secondary ores {laleriloid ores) : — 
Dh^irwar 
■Jabalpiir* 
Mysore* 
North Kanara 
Pauch Mahals. 
Sandur Hills* 
Singhbhum* 
B. 
With the more metamorphosed type of 
Dhapwars :— 
(a). — Prirtufy ores : — 
a. Associatf^d with the gondite series. 
Probably some in nearly all the areas mentioned 
in c. fc* 
3. Associated with crystalline limestones. 
Nagpur district*. 
(6). — Outcrop secondary ores : — 
a. Associated with the gondite series. Probably some 
in nearly all the areas mentioned in c. a- 
i3. In cavities in crystalline limestone. 
Nagpur district. 
(c). — Deep secondary ores : — 
a. Associated with spessartite-and rhodonite-bearing 
rocks (the gondite series). 
Narukot 
Jhabua* 
Balaghat* 
Bhandara* 
Chhindwara* 
Nagpur* 
/3. Associated with crystalline limestones containing 
piedmontite, often spessartite, and rarely rhodo- 
nite. 
Chhindwara* 
Nagpur. 
C. In latepite resting on the Dharwars :— 
Belgaum* 
Goa* 
Jabalpur. 
Psilomelane and pyro- 
^ lusite ; rarely braun- 
J ite and hoUandite. 
1 
1 Psilomelane, pyrolusite 
J- wad, pseudo-mangan- 
I ite, and polin„ite(?) 
J 
I Same as c. a. 
) Hollandite, braunite, 
i psilomelane. 
^ Soft, dirty ores ; psilo- 
}> melane and pyrolu- 
J site. 
Pyrolusite. 
I Psilomelane, braunite, 
rarely hollandite. 
sitaparite, 
burgite. 
vreden- 
Psilomelane, braunite, 
) and hollandite. 
^ Psilomelane, pyrolu- 
>■ site, pseudo-man- 
J ganite, and wad. 
