The Roadside Geology of Namibia |
From inside the book
Results 1-3 of 37
Page 58
... thick sills released its heat much more slowly , whereby larger crystals formed and consequently the interior of the thick sills are usually much coarser grained . Dykes form when the Earth's crust is under tension and vertical or sub ...
... thick sills released its heat much more slowly , whereby larger crystals formed and consequently the interior of the thick sills are usually much coarser grained . Dykes form when the Earth's crust is under tension and vertical or sub ...
Page 63
... thick and are frequently intercalated with lenticular Etjo sandstone lenses , which then form conspicuous yellow bodies within the grey to reddish lavas . Quartz latites represent a significant portion of the succession , and consti ...
... thick and are frequently intercalated with lenticular Etjo sandstone lenses , which then form conspicuous yellow bodies within the grey to reddish lavas . Quartz latites represent a significant portion of the succession , and consti ...
Page 64
... thick and are separated by some 320 m of basaltic material . The volcanics of the Tafelberg succession exhibit a classic trap morpholo- gy and individual flows with a constant thickness can be traced for many kilometres . The Tafelberg ...
... thick and are separated by some 320 m of basaltic material . The volcanics of the Tafelberg succession exhibit a classic trap morpholo- gy and individual flows with a constant thickness can be traced for many kilometres . The Tafelberg ...
Contents
Introduction | 1 |
Namibia from the Archaean to the Cenozoic | 9 |
An overview of the Namibian mineralogy | 23 |
Copyright | |
10 other sections not shown
Other editions - View all
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