The Roadside Geology of Namibia |
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Page 20
... Dwyka glaciation ended approximately 280 Ma ago , when plate tectonic movements brought southern Africa to a more moder- ate climatic realm . At the end of the Dwyka glaciation , the melting ice sheet provided am- ple water to create an ...
... Dwyka glaciation ended approximately 280 Ma ago , when plate tectonic movements brought southern Africa to a more moder- ate climatic realm . At the end of the Dwyka glaciation , the melting ice sheet provided am- ple water to create an ...
Page 52
... Dwyka Group of the Karoo Sequence of the great Gondwana glacial period . Remains of the Dwyka beds , which escaped erosion occur locally on the eastern and southwestern slope of Brukkaros . Overlying the shales and the locally pre- served ...
... Dwyka Group of the Karoo Sequence of the great Gondwana glacial period . Remains of the Dwyka beds , which escaped erosion occur locally on the eastern and southwestern slope of Brukkaros . Overlying the shales and the locally pre- served ...
Page 179
... Dwyka Formation sediments and immediately N of the road some dolerite - capped hills containing Ecca Group sediments at their base can be seen . Some 6 km outside Keetmanshoop road cuttings display dark Dwyka Formation sedi- ments for ...
... Dwyka Formation sediments and immediately N of the road some dolerite - capped hills containing Ecca Group sediments at their base can be seen . Some 6 km outside Keetmanshoop road cuttings display dark Dwyka Formation sedi- ments for ...
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