The Roadside Geology of Namibia |
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Page 78
... calcrete . This calcrete was formed by evaporation of near - surface groundwater , which contained calcium carbonate derived from the sur- rounding Otavi Group limestone . Today , the region receives a maximum annual rainfall of only ...
... calcrete . This calcrete was formed by evaporation of near - surface groundwater , which contained calcium carbonate derived from the sur- rounding Otavi Group limestone . Today , the region receives a maximum annual rainfall of only ...
Page 225
... calcrete of the Kalahari Group . This calcrete was formed by evaporation of near - surface groundwater , which carried calcium carbonate derived from the surrounding Otavi Group limestones . Although the maximum annual rainfall of only ...
... calcrete of the Kalahari Group . This calcrete was formed by evaporation of near - surface groundwater , which carried calcium carbonate derived from the surrounding Otavi Group limestones . Although the maximum annual rainfall of only ...
Page 227
... calcrete therefore suggests a more humid climate in the recent geological past . The calcrete is well exposed in some road cuts on the northern end of town . Many of the buildings in Grootfotein have also used calcrete as a building ...
... calcrete therefore suggests a more humid climate in the recent geological past . The calcrete is well exposed in some road cuts on the northern end of town . Many of the buildings in Grootfotein have also used calcrete as a building ...
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