MANGANESE DEPOSITS OF INDIA. 
Page. 
Chapter XL. — continmi, 
o. Sandanandapuram ...... 1075 
Amethystine quartz ..... 1075 
Chert 1075 
Lithomarges ....... 1076 
Scapolitic gneisses ...... 1076 
6. Sivaram 1077 
7. Perapi 1077 
Spandite-felspar-rocks ..... 1078 
Replaced microcline-rock .... 1078 
Spandite-pyroxene-rock (rhodonite) . . . 1078 
Chert and flint 1079 
Scapolitic gneisses ...... 1079 
8. Itakerlapilli 1080 
9. Mulagam 1081 
10. Qovindapuram ....... 1081 
11. Garbham 1081 
Localities of spandite-bearing rocks . . . 1087 
Sections across the deposit .... 1087 
Pegmatite and quartz crystals .... 1089 
Chert 1089 
The Palapguddi workings .... 1095 
12. Kotakarra 1096 
Kotakarra I 1096 
Kotakarra II 1097 
Opahzed kodurite ...... 1097 
Pyroxene-scapolite-quartz-rock . . . 1097 
13. Gadasam 1098 
14. Avagudem 1098 
15. Aitemvalsa ....... 1100 
16. Gotnandi 1101 
17. Bondapilli 1101 
18. Garraraju Chipurupalli (Garuja) .... llOl 
19. Perumali 1102 
20. Ramabhadrapuram ...... 1103 
Origin of the ores ...... 1104 
Nature and quality of the ores . . .1 104 
Boring operations ..... 1106 
20 o. Sonpuram (West Mound). .... 1107 
The quartzites 1108 
Psilomclane concretions in lithomaigic rock . 1108 
Banded pyroxene- quartzite .... 1108 
