108 
[vOL. XII, 
Records of the Geolog ical Survey of India. 
miueral species. It is described (in an abridged form from tbe abovementioned 
paper) in bis Outlines of Mineralogy (7tb edition, 1836) as anhydrous dicarbonate 
of copper. In most works on mineralogy, of a date subsequent to Dr. Thomson’s, 
the ore is alluded to as a doubtful species under the name of mysorin. 
With reference to the locality in which the mysorin was found. Dr. Heyne 
wrote: “ Malachite and mountain green probably constitute the great mass of the 
ore in the cojiper veins, but an immense nest of the anhydrous carbonate of 
C 02 :)per was found at Ganypittah, a village belonging to a Jaghierdor in the 
Venkatygherry district, about 40 miles west of Ongolo. It exists there in 
a rock of the nature of gneiss, but considerably disintegrated, and the quantity 
of it must be immense, as foidiy coolies’ loads were procured by a little digging, 
and sent to Mr. Travers, the Collector of the district, and almost as much 
remained which had been dug out, but which was not carried away.”® 
The village of Ganypittah—spelt Guramanypenta by Dr. Heyno in a pam- 
pihlet subsequently published by him, Gurumanipenta by Lieutenant Newbold, 
and Gunnypentah on the Atlas sheet—is 48 miles south-west of Ongole. From 
the bearings of the village from Nellore and Cuddapah given by Dr. Heyne, as 
well as from allusions to other villages in the vicinity, it is perfectly clear that 
wed was a more slip of the pen on his part.® 
Amongst the specimens which were forwarded to the Geological Museum 
in 1873, for incorporation in the series illustrating the mineral resources of 
India, which was sent to the Vienna exhibition, was a parcel of perhaps a 
hundredweight, or more, of copper ore from “ Gudisa Gundla near Ganmanipenta 
and Torripali, Hellore District.” Yerripali is a village about four miles from 
Ganmanipenta. A portion of the ore was reserved for the Geological Museum, 
1 From Mj'soro. The conntry, however, in which it was found, lies considerably to the east of 
the Mysore territory of the present day. 
2 In the fourth volume of the Journal of the Asiatic Society of Bengal (1835), there is a 
})aper by Mr. James Prinsep, giving the results of his analyses of three samples of copper ore 
from the Nellorc District. The analysis of one of these, which Mr. Prinsep thought might be 
the same ore as that examined by Dr. Thomson, is as follows;— 
Hydrated carbonate of copper 
Sulphuret of copper 
Sulpburet of iron 
Oxide of iron, silex, &c. 
68-5 
O’? 
12-4 
25*1 
106-0 
It is, liowevei’, alluded to hy Mi*. Prinsep liimself as an imperfect analysis. Tbe third ore 
examined was sulphide of copper (63’0 per cent.) mixed with hydrated carbonate (31*7 per cent.) 
and some oxide of iron and silex. In the same paper there is an extract from a pamphlet, pub¬ 
lished hy Dr. Heyne subsequent to the issue of his ‘ Tracts on India,* in which he describes the 
appearance of an ore which he considered to he of the same kind as that previously forwarded 
to Dr. Thomson, hut ns it seems clear that Mr. Prinsep was right in believing lliat Dr, Heyne 
had mistaken the sulphide with carbonate for the mysorin, it is unnecessary to quote the 
description. 
The cop]>or-hearing localities of Nellore and the neighbouring country have been further 
d»®scrihed by Lieutenant Ncwhold in volume Vll of the Journal of the Royal .Asiatic Society. 
3 Journ. As. Soc. Rengal, Vol. IV, p. 575. 
