The Roadside Geology of Namibia |
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Page 62
... Basalt flows variably Amygdaloidal Spectacular columnar jointed Basalt flows Upper Quartz Latite Units Yellow altered amygdaloidal quartz latite with pitchstone Amygdaloidal ( up to 60cm diam ) . Flow banded top with some breccia ...
... Basalt flows variably Amygdaloidal Spectacular columnar jointed Basalt flows Upper Quartz Latite Units Yellow altered amygdaloidal quartz latite with pitchstone Amygdaloidal ( up to 60cm diam ) . Flow banded top with some breccia ...
Page 63
... basalt 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 ...
... basalt 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 ...
Page 172
... Basalt . These Early Jurassic basalts , approximately 180 Ma old , accompany the road for a part of the rest of the journey to Mariental . The Kalkrand basalts , which cover an area of approximately 10 000 km2 to the NW of Mariental ...
... Basalt . These Early Jurassic basalts , approximately 180 Ma old , accompany the road for a part of the rest of the journey to Mariental . The Kalkrand basalts , which cover an area of approximately 10 000 km2 to the NW of Mariental ...
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