CHAPTER XXXI 
DESCRIPTION OF DEFimTB—contmued. 
Burma and Central India. 
Burma — Aiuhcist — Hantha-wadi — Magwe— Mergui — Myingyan — H uby Minos 
— Sagaing — Salwin Hill Tracts— Taung-ngu — Tavoy. 
Central India — Bhopal Dliar— (Jwalior— Indorc — Jliabua— Hcwaii. 
Burma. 
4mherst District. 
O'Riley ^ says that manganese-ore occurs as ' grey oxide ' in the 
' secondary formations ' pierced by the Thaungym and Gj'aing (Gyne) 
rivers. Mr. H. Thompson also records the occurrence of manganese- 
ores in this district. 2 
Hantha-wadi District. 
Whilst exploring the post-tertiary strata for coal at Insein (Engsein) 
6 miles from Rangoon, ' nodules and bands of a hydrated peroxide of 
iron containing manganese ' were found throughout the sui'face bed of 
sand. 3 
Magwe District. 
Concretions consisting principally of oxide of manganese were found 
either at Yenangyaung or further up the Irrawadi river,* the report 
quoted not being clear on this point. This occurrence is possibly in 
the Fossil Wood Group. 
Mergui District. 
Manganese-ores have been recorded from several localities ; but 
none of these occurrences has yet been shown to be of economic value. 
The large deposit of wad that Captain Tremenheere reported finding in 
1 Joiirn. Ind. Archip., Ill, [>. 733, (1849). 
2 Letter No. 440-4S-11, dated 15tli March 1895, to the Revenue Secretary to the 
Chief Coiuniissioner, Burma, p. 3. 
3 Romanis, Rec. Geol. Surv. Ind., XV, ]). 138, (1882). 
* Romanifi, Report ou the Yenanchaung Oil-wells. Rangoon, p. 2. ( 1884). 
