oa Madoqua - Climate, weathering, crust formation, dunes, and fluvial features of the Central Namib Desert, near Gobabeb, South West Africa



The central Namib desert inland from Walvis Bay, South West Africa, has a rainfall of 23 mm and a fog precipitation of 31 mm per annum at Gobabeb. The temperature range is only 6,5C in a year. The basic rock types of the area ate Damaran schists, marbles, quartzites and Salem granites. The processes responsible for the weathering are discussed, and reference is made to the role of salt crystallisation, fog, lichens, and insolation.


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