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| **Aspect**                | **Details**                                                   |
|---------------------------|---------------------------------------------------------------|
| **Physiography Overview** | Divisions: Western Plateau, Eastern Ghats, Coastal Plains     |
| **Western Plateau**       | Rocks: Granite, Quartz, Gneiss, Schists                        |
|                           | Divisions: Dharwar, Kadapa, Kurnool, Rajhamundry, Deccan traps|
|                           | Rich in: Gold, Mica, Iron; Drained by Godavari, Krishna, Penna |
| **Eastern Ghats**         | Parallel to East coast, 1200m avg elevation                   |
|                           | Rocks: Charnockites, Khondalites                               |
|                           | Peaks in Madugula Konda region                                 |
| **Coastal Plains**        | Between Eastern Ghats and Bay of Bengal                        |
|                           | Fertile from Krishna, Godavari deltas                          |
|                           | Features: Kolleru Lake (freshwater), Pulicat Lake (saline water)|
| **Kolleru Lake**          | Largest freshwater lake (260 sq.km)                           |
|                           | Drained by Budameru, Upputeru, Ramileru, Thammileru           |
|                           | Ramsar wetland (1971)                                         |
| **Pulicat Lake**          | Saline lake at Penna river merging                             |
|                           | Spreads 460 sq.km, A.P and T.N                                |
|                           | Extensive in A.P (Sulurpeta region)                           |
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