Table 4 Porosity values (applied in base case scenarios).
From: Groundwater contamination modelling in Ayad River Basin, Udaipur
S. no | Unit | Porosity, pt | S. no | Unit | Porosity, pt |
---|---|---|---|---|---|
Unconsolidated deposits | Rocks | ||||
1 | Gravel | 0.25–0.40 | 1 | Fractured basalt | 0.05–0.50 |
2 | Sand | 0.25–0.50 | 2 | Limestone | 0.05–0.50 |
3 | Silt | 0.35–0.50 | 3 | Sandstone | 0.05–0.30 |
4 | Clay | 0.40–0.70 | 4 | Dolomite | 0.00–0.20 |
5 | Shale | 0.00–0.10 | |||
6 | Fractured crystalline rock | 0.00–0.10 | |||
7 | Dense crystalline rock | 0.00–0.05 |