1004 Notes, chiefly Geological, across the Peninsula, fyc. [No. 156. 



with quartz continues to the left or N. bank of the Kistnah to Chimla- 

 ghi where it disappears under beds of a bluish limestone resembling that 

 of Firozabad. The gneiss is in some situations capped by laterite 

 fragments of a greyish blue and buff limestone ; the latter crystalline 

 and effervescing feebly with acids, and penetrated by tortuous veins of the 

 dark chert. A few globular boulders of granite and greenstone are 

 scattered over the low hill of Chimlaghi, out of the reach of the floods 

 of the Kistnah. They have a rugged waterworn exterior. The hill itself 

 is capped with a layer of kunker, varying in thickness from a few 

 inches to five feet, imbedding nodules of a ferruginous clay and angu- 

 lar fragments of a grey and dark coloured chert, a bed of which is seen 

 intervening between the limestone and the gneiss. The kunker bed 

 rests upon disturbed strata of the bluish limestone, so much broken 

 up that it was impossible to ascertain the dip, or direction of the rock. 

 The gneiss underlying the limestone imbeds crystals of calc spar. 



From the junction of the Kistnah, and the Gutpurba near Chimla- 

 ghi, by Kulladghi, to the West of the falls of Gokauk on the eastern 

 flank of the Western Ghauts a limestone and sandstone formation sup- 

 posed to be identical with those of Cuddapah and Warapilly, extends, 

 with partial outcroppings of the hypogenes, and a few patches of over- 

 lying trap and laterite. The nature of the rocks composing the sum- 

 mits of the Ghauts inmmediately behind the falls of Gokauk have not 

 been noticed. A little further south they are composed of the hypogene 

 schists and granitic rocks covered, partially, to the Sea at Goa, 

 Vingorla and Malwan by laterite. North of Malwan the overlying trap 

 is almost the exclusive rock seen to Surat. Of the geology of the 

 Southern Mahratta country I intend speaking more fully in a subse- 

 quent paper. 



