Abstract
The Global Magnetic Anomaly Map, based on POGO satellite measurements (Regan et al., 1975), which proved to be very useful in the study of deep controls of mineralization in the western United States (Kutina, 1980, 1991) and central Africa (Kutina 1993), has been used to examine the region enclosing the large basins in the southern and southwestern parts of Africa. A narrow, N-S trending ridge of magnetic highs has been found to extend along the main axis of the Okavango Basin and is interpreted to reflect an important north-south trending structure in the basement. This ridge is interrupted in the area of its intersection with the projected course of a NE-trending structural lineament of the Damara Belt, along which a number of metallic deposits of Namibia, including Tsumeb, are located. The structural setting of this intersection indicates that it may be very favorable for concentration of metals, but its actual economic value depends on whether processes of reactivation have led to concentration or remobilization of metals from the basement into shallower depths of the Okavango Basin.
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