200 Dr. Voysey's Private Journal [No. 3. 



they had the rounded appearance of granitic blocks : at sunrise at a 

 short distance from Teeperty, I saw the granite again, and found on my 

 arrival the principal edifices partly built of it : it is highly crystalline 

 and rather large grained. Strolling to the westward about five hun- 

 dred yards from the town, I fell in with a large surface, not rising 

 above ten feet from the ground, in an irregular manner, and extending 

 about 100 by 50 feet wide, containing in it rounded and angular masses 

 of a crystalline micaceous greenstone, 'which I presume the most 

 superficial observer would consider as having been inclosed in the 

 granite, when the latter was in a fluid state. I procured specimens of 

 both granite and greenstone, but could not get at one which shewed 

 their union. 



Qy. How high has the iron clay been observed 1 At Cape G. H. 

 very little above the level of the sea, and there covered by the 

 sand flood ; on the coast of Coromandel the highest I have seen about 

 100 feet j also what connexion with the calc tuff if they may not be 

 traced passing one into the other ? 



Saturday, \2th December, 1818. — Immense blocks of granite all the 

 way to Nelgondah, scattered without order throughout an extensive 

 plain sometimes rising into hills of various sizes. 



Nelgondah is situated between two very large and lofty hills con- 

 sisting entirely of granite, sometimes white, reddish and black, con- 

 taining veins of quartz of small size, and without any beds of other 

 rocks as far as I could observe, my time being short ; the plain 

 reminded me of that in the neighbourhood of Ongole from the 

 numerous unconnected hills and mountain masses. 



Sunday, \3th December, 1818. — The granite rock which we ascend- 

 ed yesterday, and which we found so precipitous on its southern face, 

 was continued in a lengthened declivity for a mile and a half, between 

 Nelgondah and Mungoor. We saw rocks of granite scattered in every 

 direction, and on the surface of those near the road, the calc tuff made 

 its appearance, and from its decomposition gave the thin crust of 

 soil on the surface a red colour ; small pieces of greenstone were now 

 and then seen, but no rocks. 



Tuesday, 15th December, 1818. — I quitted Narrampet yesterday at 

 three in the afternoon and passed through a beautiful vale between two 

 lofty ridges of granitic hills : at their feet I saw greenstone in abundance. 



