**2.1 Internal domain**

Kabyle massive base cristallophylliens metamorphic (gneiss, marble, amphibolite schists and mécaschistes) [2]. This stand exposed in the massive Chenoua (Tipaza) and Great Kabylia (**Figure 3**).

## **2.2 Domain flyshs**

Consisting of layers of Cretaceous-Paleogene flyshs.

### **2.3 External domain**

Tellian domain consists of a set of non-native groundwater; characterized by a marly facies of Middle Cretaceous age has Neogene.
