The Roadside Geology of Namibia |
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Page 66
... phonolites , which in- trude Erongorus tuffs at the northern edge of the complex . All rocks are under - saturated in silica having less than 5 % normative nepheline . A good , and possibly the thickest exposure of the basal basalts ...
... phonolites , which in- trude Erongorus tuffs at the northern edge of the complex . All rocks are under - saturated in silica having less than 5 % normative nepheline . A good , and possibly the thickest exposure of the basal basalts ...
Page 91
... to the development of the large number of different subordinate magmatic hybrid rocks , such as theralites , basanites and phonolites ( Ewart et al . 1998 ) . In summary , the basalts are the oldest phase and represent Messum 91 18 Messum.
... to the development of the large number of different subordinate magmatic hybrid rocks , such as theralites , basanites and phonolites ( Ewart et al . 1998 ) . In summary , the basalts are the oldest phase and represent Messum 91 18 Messum.
Page 166
... phonolites , as well as Kalahari calcrete and sand cover ( Figs 9.7.1 , 9.7.2 ) . Leaving Windhoek and heading towards Rehoboth , the Geological Survey of Namibia is located in Aviation Road near Eros Airport and opposite the Safari ...
... phonolites , as well as Kalahari calcrete and sand cover ( Figs 9.7.1 , 9.7.2 ) . Leaving Windhoek and heading towards Rehoboth , the Geological Survey of Namibia is located in Aviation Road near Eros Airport and opposite the Safari ...
Contents
Introduction | 1 |
Namibia from the Archaean to the Cenozoic | 9 |
An overview of the Namibian mineralogy | 23 |
Copyright | |
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amphibolites basalts Belt Brandberg Brukkaros calcrete Cenozoic Cenozoic sediments column for route composed conglomerate Craton Cretaceous crossed Damara Damara Granite Damara Orogen Damara Sequence deposits diamond dolerite dolomite dunes Dwyka Formation dykes Erongo Escarpment Etendeka Etjo Fault Fish River Subgroup fossils Geological gneisses Grootfontein Hakos Group Henties Bay hills Hohewarte Complex Huab intruded Kalahari Basin Kalahari Group Karibib Karoo Sequence Keetmanshoop Kuibis Subgroup Kuiseb Formation Kunene landscape layers limestone Lüderitz Maltahöhe marble Mesoproterozoic metamorphic meteorite minerals Mulden Group Namaqualand Namaqualand Complex Namib Desert Namibia Nappe Naukluft northern Nosib Group occur Okahandja Omaruru Orange River Otavi Otavi Group Otjiwarongo outcrops Outjo overlain overlying PALAEOPROTEROZOIC pegmatites peneplain prominent quartz latite quartzite ridge road continues road cuts rocks sand sandstone schist Schwarzrand Subgroup seen Sesfontein shale sills Sinclair Sequence Spitzkuppe Swakop Group Swakopmund terrane underlain thrust Tsondab Tsumeb Tsumeb Subgroup turn-off Ugab underlain by Cenozoic valley volcanic Windhoek Zone