Cenozoic Landscape Evolution in and Around the Congo Basin: Constraints from Sediments and Planation Surfaces - Geology and Resource Potential of the Congo Basin - page 292

a

0

PLEIST.

Z

PLIO.

Pediments X-Y-Z Y

U

X

CENTRAL CUVETTE EAST AFRICAN DOME

Tanganyika
Lake

CENTRAL AFRICAN ATLANTIC SWELL

W

W

M

Pediments V-W

V

E

L

Lower Surface (l)

U

3000

3000

L

Upper Surface 2
( u2 )

Chaillu Massif Batéké Plateaus

Cong olese Su rf.
( C )

U

ulu Surface
(projected)

2000

Gilson 1
(projected)

Dekese
(projected)

2000

M

Upper Surface 1
( u1 )

Congo
River

50

N-S section

L

“Grès polymorphes” Fm

1000 1000

W a

AT L A N T I C
base level

X a

0 0

0 500 1000 1500 2000

km

b

UBANGIAN RISE CENTRAL CUVETTE KASAI PLATEAU

N S

Ouadda (=Mouka) Plateau

Samba
(projected)

E-W
section

KALAHARI
base level

Uélé
River

Congo
River

Sankuru
River

Tsuhapa
River

veneered «Sables ocres»

1000 1000

Chadian
Piedmont

Basement

Basement

CHADIAN
base level

Cretaceous sediments

0 0

0 500 1000 1500 2000 2500

km

Fig. 14.13 Synthetic cross-sections of the CB and surrounding highs—sections location on Plate 2