Area

Fault

Lithology of the valley floor

Basin no.

|AF-50|

Class (AF)

Bs

Class (Bs)

Mountain front no.

Smf

Class (Smf)

Average Class

Class RTA

West North

North Tehran

Andesitic Lava, Pyroclastic and tuff

1

15

1

3.2

2

1

2.50

2

1.7

2

West North

North Tehran

Andesitic Lava, Pyroclastic and tuff

2

3.2

2

2.1

3

2

2.61

2

2.3

3

West North

North Tehran

Andesitic Lava, Pyroclastic and tuff

3

11

1

3.2

2

3

2.50

2

1.7

2

Middle North

North Tehran

Andesitic Lava, Pyroclastic and tuff

4

2

3

3

3

4

2.32

2

2.7

3

Middle North

North Tehran

Andesitic Lava, Pyroclastic and tuff

5

3

3

2.9

3

5

1.65

2

2.7

3

Middle North

North Tehran

Andesitic Lava, Pyroclastic and tuff

6

5

2

1.6

3

-

-

-

2.5

3

Middle North

North Tehran

Andesitic Lava, Pyroclastic and tuff

7

2

3

2.9

3

-

-

-

3

3

North East

NTF & MF

Andesitic Lava, Pyroclastic and tuff

8

6.2

1

4

1

6

1.4

1

1

1

North East

Mosha

Andesitic Lava, Pyroclastic and tuff

9

16

1

4.5

1

-

-

-

1

1

East

Narmak

Mountain front no.

-

-

-

-

-

7

2.18

2

2

2

East

Kosar

Mountain front no.

-

-

-

-

-

8

2.05

2

2

2

East

Ghasre Firuze

Conglomerate and tuff

10

5.8

2

2.2

3

-

-

-

2.5

3

East

Ghasre Firuze

Shale, Sandstone and Conglomerate

11

5

2

1.4

3

-

-

-

2.5

3

South East

Amin Abad

Dolomite and Limestone

-

-

-

-

-

9

1.48

2

2

2

South East

Parchin

Conglomerate, Limestone and Dolomite

12

7

1

5.5

1

10

1.39

1

1

1

South East

Parchin

Conglomerate, Limestone and Dolomite

13

6.1

1

4.4

1

11

1.38

1

1

1