Lavharasa from the volcano has created the entire geo level of Ahmednagar district and It is known as Deccan Island.The district’s land is generally divided into three parts
- River-white land
- Black Stone Blocks Mixed Land on the hill slopes
- White limestone mixed
As per the information of Graound Water Survey Development Agency,Ahmednagar district is divided into 80% of the catchment area of Godavari, Bhima and Sina rivers. The land in the Pravara Basine is more fertile. A lot of parner talukas are covered with limestone soil.
Pot Holes, Nighoj
Pot holes in the rocky river beds are of frequent occurrence. Those above the falls of the Pravara , at village of Rauda in the Akole Subdivision, and at Kund-Mahuli in the Kukadi river a short distance from the village Nighoj in the Parner subdivision, are specially note worthy on account of their number and size.