The Roadside Geology of Namibia |
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Page 62
... flow top Massive columnar jointed Devitrified quartz latite 1400 1200 Dolerite ? Several deeply weathered Basalt flows variably Amygdaloidal Spectacular columnar jointed Basalt flows Yellow altered amygdaloidal quartz latite with ...
... flow top Massive columnar jointed Devitrified quartz latite 1400 1200 Dolerite ? Several deeply weathered Basalt flows variably Amygdaloidal Spectacular columnar jointed Basalt flows Yellow altered amygdaloidal quartz latite with ...
Page 63
... flows and the massive quartz latite units at higher stratigraphic levels overlie the aeolian sandstones of the Etjo Formation of the Karoo Sequence , and fre- quently also overstep the Karoo Sequence to rest on older , Damaran base ...
... flows and the massive quartz latite units at higher stratigraphic levels overlie the aeolian sandstones of the Etjo Formation of the Karoo Sequence , and fre- quently also overstep the Karoo Sequence to rest on older , Damaran base ...
Page 66
... flows and interbedded pyroclastic rocks . These basal vol- canics are exposed throughout the entire complex and may ... flow tuffs of intermediate to felsic composition . These so - called Erongorus ash - flow tuffs occur mainly in the N ...
... flows and interbedded pyroclastic rocks . These basal vol- canics are exposed throughout the entire complex and may ... flow tuffs of intermediate to felsic composition . These so - called Erongorus ash - flow tuffs occur mainly in the N ...
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