Formation

Prominent lithology

Outcrop in the water catchment

Visible height (m)

Specifications

Daryan

Lime stone with good layers

Taluk (Sar Tang Baba Ahmad)

100 - 90

Small out crop

Kajdomi

Dark shales

Taluk

200 - 150

Impermeable

Sarvak

Gray lime stone

Chain of stone-valley

>550

Karesti to some extend

Pabde-Gurpi

Shale and marl

Chain of stone-valley

800 in total

Low permeability-high erodability

Tel Zang

Marl lime stone 50 - 70

Taluk, Sur I and Taraz

70 - 50

Step making

Amiran

Green shale, sand stone and cutting conglomerate

Taluk

250 - 200

Hard and brittle

Kashkan

Red marl, sand stone and conglomerate

Shur I

200

Low permeability-high erodability

Asmari

Beige lime stone and marl in upper part

Chain of stone-valley

400

Higher part of Karesti

Gachsaran

gypsum

Shur II

>1000

Impermeable-solvable

Mishan

Low amount of marl

Shur I, Chiti

100

Very low permeability

Aghajari

silt, sand stone and conglomerate

Shur I, Shur II, Chiti, Gazi and Taraz

>1000

Low permeability-high erodability

Bakhtiari

conglomerate

Taraz, Shur II, etc

>350

Wall maker in marl