Geoscience Reference
In-Depth Information
Charcoal
C
896
952
(b)
Root penetration
R
0
50
km
Massive calcrete
Ca
21 ± 8
77 ± 12
m
Dune ridges
(axes)
0
27°E
52 ± 8
Z A M B I A
895
International
boundary
1005
1
950
R
R
Victoria
Falls
C
R
9 ± 2
28 ± 6
20 ± 5
42 ± 7
30 ± 4
40 ± 6
R
2
15 ± 4
Dated sample
(kyr
±
1 s.d.)
164 ± 32
37± 8
R
3
Kazuma
Depression
Hwange
To w n
N
4
951
Panda
Matenga
894
5
R
Main
Camp
R
19°S
1004
32 ± 6
R
11 ± 3
18
±
5
23 ± 5
28
±
5
43 ± 9
43 ± 8
46 ± 8
39
±
5
53 ± 8
46 ± 7
103 ± 17
112
±
18
102 ± 18
1003
C
C
R
15
±
2
Dzivanni
Mud Flats
C
0
150
20°E
(a)
23
±
3
km
C
945
892
890
947
891
R
R
14 ± 4
22 ± 5
R
1.4 ± 0.5
25 ± 3
23
±
5
C
25 ± 4
1.7 ± 0.7
Ca
22 ± 3
(c)
N
o
s
s
o
b
R
0
BOTSWANA
Mariental
25°S
943
1
23.0 ± 2.9
Tshabong
10
±
4
Twee Riviere
n
NAMIBIA
2
946
Mol
o
o
p
R
.
Keetmanshoop
R
946B
3
R
43.9 ± 2.9
6
±
2
Upingto
n
4
949
27
±
7
O
ra
ng
e R
.
1.1 ± 0.2
1.1 ± 0.2
1.4
±
0.2
1.4
±
0.3
948
9
44
942
(5)
(4)
5
(3)
R S A
(2)
12
±
2
105.6 ± 10.2
6
R
15 ± 3
28 ± 7
17
±
4
Ca
0
40
80
120
14 ± 3
Age (kyr)
Figure 17.15
Chronology of linear dune deposition in the Kalahari Desert, based on OSL dating of sediment samples. Ages
were interpreted as demonstrating discrete periods of dune deposition during the Late Quaternary (after Stokes, Thomas and
Washington, 1997).
