The Roadside Geology of Namibia |
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Page 13
... base , which is overlain unconformably by the Billstein Formation , with the Gaub Valley Formation occurring further W. The Marienhof Formation consists of alternating layers of quartzite , phyllite , conglomerate and vol- canic rocks ...
... base , which is overlain unconformably by the Billstein Formation , with the Gaub Valley Formation occurring further W. The Marienhof Formation consists of alternating layers of quartzite , phyllite , conglomerate and vol- canic rocks ...
Page 66
... base- ment rocks . Compositionally , the Ombu tuff units are of rhyodacitic and rhyolitic composition . The next volcanic phase was an explosive eruption and intrusion of rhy- olitic magmas . Rhyolites occur as erosional remnants of ...
... base- ment rocks . Compositionally , the Ombu tuff units are of rhyodacitic and rhyolitic composition . The next volcanic phase was an explosive eruption and intrusion of rhy- olitic magmas . Rhyolites occur as erosional remnants of ...
Page 102
... base of the upper nappe complex , and as the angle of southward tilt increased , the whole complex could slide southeastwards with the fluids at its base as a lubricant ( Martin et al . 1983 ) . Younger dissolution of the dolomites and ...
... base of the upper nappe complex , and as the angle of southward tilt increased , the whole complex could slide southeastwards with the fluids at its base as a lubricant ( Martin et al . 1983 ) . Younger dissolution of the dolomites and ...
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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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