The Roadside Geology of Namibia |
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Page 52
... beds , which escaped erosion occur locally on the eastern and southwestern slope of Brukkaros . Overlying the shales and the locally pre- served Dwyka beds and forming the steep upper cliffs are the Brukkaros beds , a series of ...
... beds , which escaped erosion occur locally on the eastern and southwestern slope of Brukkaros . Overlying the shales and the locally pre- served Dwyka beds and forming the steep upper cliffs are the Brukkaros beds , a series of ...
Page 54
... beds ( Kurzlaukis 1994 ) . This uplift caused radial fissuring of the large up - domed area and allowed carbonatite magma to be emplaced within fissures and dykes . At those localities where the hot magma inter- sected groundwater , it ...
... beds ( Kurzlaukis 1994 ) . This uplift caused radial fissuring of the large up - domed area and allowed carbonatite magma to be emplaced within fissures and dykes . At those localities where the hot magma inter- sected groundwater , it ...
Page 94
... beds deposited by braided rivers , whilst the Upper Omingonde Formation accumulated under increasingly arid conditions , starting with sediments of loessic plains with saline lakes and ponds . These are overlain by gravel beds that were ...
... beds deposited by braided rivers , whilst the Upper Omingonde Formation accumulated under increasingly arid conditions , starting with sediments of loessic plains with saline lakes and ponds . These are overlain by gravel beds that were ...
Contents
Namibia from the Archaean to the Cenozoic | 9 |
An overview of the Namibian mineralogy | 23 |
Present mineral production and exploration | 29 |
Copyright | |
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Common terms and phrases
amphibolites basalts Belt Brandberg Brukkaros calcrete Cenozoic Cenozoic sediments column for route composed conglomerate Craton Cretaceous crossed 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