Geology Reference
In-Depth Information
CH
Fali
Hills
MAMBILLA
High Plateau
Yoko
Escarpment
Booué
low Plateaus and Hills
CHAILLU
Massif
SOUTH CAMEROON Plateau
NORTH GABON Plateaus
(m)
2000
NW
SE
Ogooué
River
1000
0
2000
u1p
u2
u2?
u1a
u2?
l+
older ?
X
a
l
V
a
X
a
V
a
1000
V
a
l
Y
a
Z-Y
W
a
0
(km)
0
100
200
300
400
500
600
700
800
900
1000
1100
NNE
SSW
Congo
River
Dar Challa
Massif
OUADDA
(=Carnot-Berberati) Plateau
Uélé
River
(m)
UR1
1000
1000
0
0
u1u?
u1u
or
u2d
u1u?
u2d
u2
1000
1000
l
Cd
l
X
c
Z
c
0
0
0
100
200
300
400
500
600
700
800
900
(km)
SUDAN (NILE) base level
CONGO base level
NE
SW
NILOTIC (=Sudanese) Piedmont
KIBALI-ITURI Plateau
Ituri
River
Lindi
River
Lualaba (=Congo)
River
(m)
UR2
1000
1000
0
0
u2
u2
u2
ld
l
lp
l
ld
ld l
u2
l
ld
1000
l
ld
l
1000
X
c
X
f
X
c
X
c
Y
c
Y
c
0
0
0
100
200
300
400
500
600
700
800
900
(km)
MITUMBA
Mounts
WNW
ESE
(m)
EAD
3000
3000
Kivu
Lake
Lualaba
(Congo)
River
UPPER PLANATION SURFACES
LOWER PLANATION SURFACE
2000
2000
u1u
undifferentiated
l
(
lp
)
lp: pediment
1000
1000
ld
degraded by rivers
u2
u2d
degraded by rivers
0
0
PEDIMENTS
3000
3000
V
W
X
(
X
f)
Y (Z-Y)
Z
?
CONGOLESE PLANATION SURFACE
u1u
2000
2000
C
veneered by «Sables ocres»
u2
u2
u2
u2d
u2d
Cd
degraded by rivers
volcanism
faults
ld
1000
1000
X
c
X
c
Y
c
X
c
u2d
ld
Z
c
0
0
0
100
200
300
400
(km)
Fig. 14.9
(continued)
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