The Roadside Geology of Namibia |
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Page 12
... Orange River Group occur in a belt N of the Orange River . The Group is made up largely of an- desitic calc - alkaline volcanic rocks with only minor sediments . The Vioolsdrif Intrusive Suite extensively intrudes the Orange River Group ...
... Orange River Group occur in a belt N of the Orange River . The Group is made up largely of an- desitic calc - alkaline volcanic rocks with only minor sediments . The Vioolsdrif Intrusive Suite extensively intrudes the Orange River Group ...
Page 187
... Orange River is reached some 10 km from the security gate . The river , in the course of its geological and geomorphological history , has played an important role in the development of the unique diamond deposits of the area . Apart ...
... Orange River is reached some 10 km from the security gate . The river , in the course of its geological and geomorphological history , has played an important role in the development of the unique diamond deposits of the area . Apart ...
Page 188
... Orange River the first mine workings that can be seen are S of the river , within the Republic of South Africa , on the slopes of the Jakkalsberg . The Jakkalsberg Mine processes gravels belonging to both the oldest river terraces of ...
... Orange River the first mine workings that can be seen are S of the river , within the Republic of South Africa , on the slopes of the Jakkalsberg . The Jakkalsberg Mine processes gravels belonging to both the oldest river terraces of ...
Contents
Introduction | 1 |
Namibia from the Archaean to the Cenozoic | 9 |
An overview of the Namibian mineralogy | 23 |
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 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