CHAPTER XL. 
DESCRIPTIONS OF BYj'POSITS— continued. 
Madras Presidency— Vizagapatam District- 
History — Output and labour — Physical characters of the distiict — Geology 
— List of deposits — Nature and quality of the ores — Communications and trans- 
port. 
The Kodur Mines — Output — Garividi — Kodur — Duvvam — Devada — Sandan- 
andapuram— Sivaram— Perapi-^Itakerlapilli — Mulagam — Govindapuram — Garbham 
— Kotakarra — Gadasam — Avagudem — Aitemvalsa — Gotnandi — Bondapilli — Garra- 
raju Chipurupalli (Garuja) — Perumali — Kamabhadrapuram — T^duru — Chintela- 
valsa — Thonaum — Other localities. 
In addition to being the district in which manganese-ore was first 
^. ^ mined for export, its ores were amongst the earliest 
known in India, Specimens of manganese-ores from 
Vizianagram and Bimlipatam were sent to Dr. A. J. Scott of Edinburgh 
by Dr. Alexander Hunter, who, according to Scott, had given a 
description of the former ore in several of the Madras journals. In a 
paper published in 18-521, Scott gives the following analyses : — 
Silicic acid 
Peroxide of iron 
Lime 
Magnesia 
Water 
Red oxide of manganese 
Oxygen 
Total 
Metallic manganese 
Vizianagram. 
99-738 
53-428 
Bimlipatam. 
8-300 
9 09 
12-910 
11-72 
1-244 
2-339 
0-668 
0-539 
0-432 
73-786 
76-177 
1-864 
0-655 
99-986 
54-929 
^ Edin. New Phil. Jour., LIII, pp. 277-9, (1852): the A'^zianagrum analysis is 
erroneously given as totalling to 99-735. 
