The Roadside Geology of Namibia |
From inside the book
Results 1-3 of 44
Page 78
... layers of calcrete . This calcrete was formed by evaporation of near - surface groundwater , which contained calcium ... layer of magnetic , dark - brown iron shale composed largely of limonite , with minor magnetite and trevorite ...
... layers of calcrete . This calcrete was formed by evaporation of near - surface groundwater , which contained calcium ... layer of magnetic , dark - brown iron shale composed largely of limonite , with minor magnetite and trevorite ...
Page 115
... layers according to the progressive cooling from the inside to the out- side . Erosion later removed layer by layer , leaving the typical rounded granite boulders . This type of weathering is termed “ onion - skin weather- ing " and ...
... layers according to the progressive cooling from the inside to the out- side . Erosion later removed layer by layer , leaving the typical rounded granite boulders . This type of weathering is termed “ onion - skin weather- ing " and ...
Page 172
... layers increases towards the top , from a few tens of centimeters to a few meters . This red - bed succession contains a number of well - preserved primary sedimentary structures . These include horizontal lamination due to grain size ...
... layers increases towards the top , from a few tens of centimeters to a few meters . This red - bed succession contains a number of well - preserved primary sedimentary structures . These include horizontal lamination due to grain size ...
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