The ‘Msemrir Syncline

The southern front of the Central High Atlas

100m 110 120 130 140 150 160 170 180 190 200

M s fS mScS C 0m

10 20 30 40 50 60 70 80 90 100

M s fS mScS C 100 110 120 130 140 150 160 170 180 190 200

M s fS mScS C 300m

310 320 330 340 350 360 370 380 390 400

Ms fS mScS C 400m 410 420 430 440 450 460

Ms fS mScS C

W^{1 0m}

10 20 30 40 50 60 70 80 90 100

Ms fS mScS C 200m

210 220 230 240 250 260 270 280 290 300

Ms fS n20

FA1b FA3 FA1b

FA1b

FA3 FA1b

FA3

n4 n18 n18

FA3

FA2 FA3

mScS C

n2 n20 n19 n2 n16

FA3 FA3

FA2 FA3 FA2

FA1^b FA3 FA3

FA1^b

n30 n18 n19 n18 n4 n12

FA1b

Guettioua F. GM1GM2

FA2 FA2

FA1b

FA1b

GM3 GM4

The ‘Msemrir Syncline

The Guettioua F.

5000m

n25 n19 n10 n9

W²

W³

W⁴

W

¹

W

²

W

³

W

⁴

W

⁵

W

⁶

W

⁷

GM1GM2 GM3GM4

Guettioua F.

FA3 FA3 FA3

FA2 FA2 Paleocurrents - Guettioua F.

W1-W2

GM1 GM2 GM3 GM4

W3-W4

GM2 GM3 GM4

GM1-GM2W5 W6

n5 GM1

n12

GM2 W7

n5

GM2 GM3 GM4

a

0m 10 20 30 40 50 60

M s fS mScS C

FA3 FA2 FA3 FA2

0m 10 20 30 40 50 60 70 80

M s fS mScS C

FA3 FA3 FA2 FA2 FA3 FA2

X³ X⁴

X¹ X²

Til. F.

Guettioua F. GG1GG2 J.S. F.

70

J.S. F.

Guettioua F. GG1GG2

The Guettioua F.

Til. F.

70 80 90 100

M sfS mScSC 0m

10 20 30 40 50 60

M sfS mScS 100

110 120 130

X⁷ C

M sfS mScSC 0m

10 20 30 40 50

FA4 FA4 FA4

FA4 FA4 FA4 FA2

FA2

X⁸ X⁹ X¹⁰

Guett. F.

Jbel Sidal F.

??

Guett. F.

The Jbel Sidal F.

Jbel Sidal F.

??

PM PM

Ti

Gu

N

^PM

PM

PM

Ti Gu

JS Ao

Ak

CP

CP

N

1000m

Y1 Toundoute

Gu

Io

JS DB If Ao

CP

CP

CP

PM PM

PM PM

1000m

Dades Valley

Toundoute and Dades Valley

c

The Goulmima Antycline

X

^1-

X

²

X

^3-

X

⁴

X

⁷

X

⁸

X

^9-

X

¹⁰

X

¹¹

X

¹²

X

⁵

X

⁶

5000m

N

n10 n34 n7 n12 n23 n3 n33

Paleocurrents - Guettioua F.

X1-X2

GG1 GG2

X3-X4

n4 ^{GG1 GG2}

X5 X6

n32 n23

Paleocurrents - Jbel Sidal

n4 n12

X7-X8

n71 n30

X9-X10 X11 X12

Ak Ao

Ti

Gu Ti

JS AT?

AT?

AT? If

Ak Ao

Ak CP

Ao

Ao If

Ak Ak

CP

Gu JS JS

JS

S1

S5

S6

C1 M1

S8

S7

S2 S3

Measures taken on LFR sedimentary structeures

Measures taken on UFR sedimentary structeures

Axes of the paleo-channels and paleo-valleys

Paleo-current rose diagrams

M: mudstone; s: siltstone;

fS: fine sandstone; mS: medium sandstone; cS: coarse Sandstone;

C: conglomerate

Guettioua F.

Jbel Sidal F.

Faults Paleo-drainage

direction Stratigraphic section

mudstone, marls, gypsum. Equivalent of the Ait Tafelt F. (?) Akrabou F.

paleosoil

limestone

convolution

gypsum

CS1

CS2

S4

Simbology

Measurement Station

Maps Stratigraphic sections

Tilougguit F.

DB

Upper Cretaceous, Paleocene and Miocene Fs.

CP

Ak

Aoufous F.

Ao

Ifezouane F.

If

AT?

Dades Basalt

JS

Gu

Ti

Paleozoic and Lower Mesozoic basement PM

N

N

W 4° 30’

W 6° 36’

N 31° 54’N 31° 12’

Goulmima

b

‘Msemrir b

a

c

c

Toundoute

Dades Valley N

30Km

Reverse Fault

Z1

Z2