Tsumkwe Training Area
Area
|
Geology
|
Extent
|
Area of hardrocks (%)
|
Aerial photographs
|
Satellite images
|
Geological maps
|
Aha |
Dolomite |
20°41 E-21° E
19°40 S-19°54 S |
27.79
|
17.69
|
33.37
|
Dobe |
Quartzite Basalts |
20°40 E-20°50 E
19°30 S-19°45 S
|
11.97
|
7.67
|
60.6
|
Makuri |
Gneiss |
20°40 E-20°50E
19°15 S-19°30 S |
11.8
|
9.31
|
83.38
|
Results from marking hardrock areas by satellite images, aerial photographs
and geological maps for the Tsumkwe training area.
Selected study area sites
Area |
Geology |
Extent |
area of hardrocks (%) |
Satellite images
|
Geological maps
|
Tsumkwe |
Gneiss, Dolomite |
20°30 E-21° E
19°25 S-19°55 S |
11.51
|
32.52
|
Hochfeld |
Quartzite, Schists |
17°50 E-18°30 E
21°30 S-21°45 S |
41.82
|
78.13
|
Gaikos |
Quartzite, schists, gneiss |
18°20 E-18°30 E
19°20 S-19°30° S |
31.33
|
60.39
|
Hohenstein |
Schists, granite |
16°50 E-17°10 E
20°20 S-20°40 S |
44.39
|
99.5
|
Lister |
Quartzite, schists |
20°45 E-21° E
21°45 S-22° S |
7.66
|
95.54
|
Gam |
Dolomite, schists |
20°45 E-21° E
20°10 S-20°20 S |
2.26
|
8.22
|
Nhoma |
Quartzite |
20°45 E-21° E
18°50 S-19° S |
19
|
78.61
|
Comparison of results from mapping hardrock areas by satellite images
and by geological map for seven example sites in the study area of northeastern
Namibia. |