Jft 

 934 Notes, principally Geological, on the [No. 130. 



splits into prisms having smooth planes. The contortions of the 

 strata observed at some distance from the dyke, may be perhaps 

 attributed to the intrusion of this rock. Gneiss is again seen in the 

 beds of the Nundawarghi nullahs, alternating with mica, hornblende, 

 and chlorite schist. It is red, felspathic, and contains veins of 

 quartz, felspar, and actynolite. The last mineral often occurs in the 

 seams with a compact siliceous felspar, having a lively green colour, 

 sometimes in drusy crystals, and lining the interior of vesicular 

 cavities. A dyke of basaltic trap crosses the plain in a West by 

 Northerly direction. At the village of Nundawarghi, I remarked a 

 number of millstones composed of a fine white and red granular 

 sandstone, the grains of quartz cemented together by a felspa- 

 thic paste imbedding angular and rolled bits of a dark flinty slate, 

 derived from the slate associated with the gneiss and of a ferruginous 

 rock. These stones I was informed were quarried at Badami and 

 Jalihal, the price from ^ to 1 rupee each. The red felspathic gneiss 

 and associated crystalline schists are seen at intervals as far as Cumblihal, 

 where I encamped in the plain. Here the gneiss becomes granitoidal, 

 the red felspar still continuing six furlongs beyond Cumblihal ; at the 

 Muddi nullah it is seen alternating with micaceous schist. Dip 60 a , 

 E. 20° N. Nodular hanker of a faint red, and hematitic iron ore, strew 

 the beds of the rivulets. Near Caradi, the granite loses much of its 

 mica, consisting almost wholly of red felspar and greyish quartz, and 

 assumes the character of a pegmatite and graphic granite. The green 

 actynolitic felspar continues to intersect the rock in thin seams. At 



Right bank of the Coujaganur the Kistnah river is first seen ; 



Kistnah. thence to Danoor, the tappal village near the 



forry, the route lies along its right bank, to which the plain declines 

 with a gentle slope that increases however near the river bed. Numer- 

 ous streams cut the bank in their progress to the Kistnah, leaving 

 intervening swells of ground, and rendering the road, which crosses 

 them at right angles, uneven and difficult to traverse during the rains, 

 when this tract is partially inundated by the river. In consequence of 

 the thick superstratum of mixed alluvial and regur soil, few opportuni- 

 ties occurred of observing the subjacent rocks. Gneiss, however, was 

 the one most frequently met with. 



On the ascent of a low hill a little beyond the small fort of Haverighi, 



