1. Tectonic lakes are formed due to wrapping; sagging and fracturing of the earth crust e.g. Lake Chad
2. Rift valley lakes are caused by faulting e.g. Lake Malawi.
3. Faulting
4. Sagging along the course of a river.
1. Tectonic lakes are formed due to wrapping; sagging and fracturing of the earth crust e.g. Lake Chad
2. Rift valley lakes are caused by faulting e.g. Lake Malawi.
3. Faulting
4. Sagging along the course of a river.