geology | Environmental Information Service Namibia: eLibrary

The study or science of the earth, its history, and its life as recorded in the rocks; includes the study of geologic features of an area, such as the geometry of rock formations, weathering and erosion, and sedimentation. (Source: MGH)

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Displaying results 651 - 700 of 949 record(s) tagged with this keywordClick/tap on any title to see full details of the record

Keller P 1991. The occurrence of Li-Fe-Mn phosphate minerals in granitic pegmatites of Namibia. Communications of the Geological Survey of Namibia 7 21-35

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The occurrence of Li_Fe_Mn phosphate minerals in granitic pegmatites of Namibia.pdf	1.61 MB

Pfurr N, Ahrendt H, Hansen BT, Weber K 1991. U-Pb and Rb-Sr isotopic study of granitic gneisses and associated metavolcanic rocks from the Rostock massifs, southern margin of the Damara Orogen: implications for lithostratigraphy of this crustal segment. Communications of the Geological Survey of Namibia 7 37-50

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U_Pb and Rb_Sr isotopic study of granitic gneisses and associated metavolcanic rocks from the Rostock massifs.pdf	1.42 MB

van Rijswijck PG, Steyn A van C 1990. A short note on the results of geophysical logging and testing at the Kudu 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia 6 7

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A short note on the results of geophysical logging and testing at the Kudu 9A_2 and 9A_3 boreholes.pdf	198.8 KB

Benson JM 1990. Palynofacies characteristics and palynological source rock assessment of the Cretaceous sediments of the northern Orange Basin (Kudu 9A-2 and 9A-3 boreholes). Communications of the Geological Survey of Namibia 6 33-42

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Palynofacies characteristics_palynological source rock assessment_Cretaceous sediment_Orange Basin.pdf	621.75 KB

Erlank AJ, le Roex AP, Harris C, Miller RMcG, McLachlan I 1990. Preliminary note on the geochemistry of basalt samples from the Kudu boreholes. Communications of the Geological Survey of Namibia 6 63-65

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Preliminary note on the geochemistry of basalt samples from the Kudu boreholes.pdf	446.19 KB

McMillan IK 1990. Foraminiferal biostratigraphy of the Barremian to Miocene rocks of the Kudu 9A-1, 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia 6 25-32

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Foraminiferal biostratigraphy of the Barremian to Miocene rocks of the Kudu boreholes.pdf	1.61 MB

McLachlan LR 1990. Introductory note on the history of the Kudu prospect. Communications of the Geological Survey of Namibia 6 5

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Introductory note on the history of the Kudu prospect.pdf	197.33 KB

Horsthemke E, Ledendecker S, Porada H 1990. Depositional environments and stratigraphic correlation of the Karoo Sequence in northwestern Damaraland. Communications of the Geological Survey of Namibia 6 67-77

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Depositional environments and stratigraphic correlation_Karoo Sequence_northwestern Damaraland.pdf	888.28 KB

Marot JEB 1990. Petrography and porosity of the gas-bearing sandstones intersected by the Kudu 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia 6 43-50

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Petrography and porosity of the gas_bearing sandstones intersected by the Kudu 9A_2 and 9A_3 boreholes.pdf	1.36 MB

Wickens H de V, McLachlan IR 1990. The stratigraphy and sedimentology of the reservoir interval of the Kudu 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia 6 9-23

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The stratigraphy and sedimentology of the reservoir interval of the Kudu 9A_2 and 9A_3 boreholes.pdf	1.4 MB

Davies CPN, van der Spuy D 1990. Chemical and optical investigations into the hydrocarbon source potential and thermal maturity of the Kudu 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia 6 53-61

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Chemical and optical investigations into the hydrocarbon source potential and thermal maturity of the Kudu 9A_2 and 9A_3 boreholes.pdf	866.93 KB

Hoal BG 1989. The geological history of the Awasib Mountain terrain and its relationship to the Sinclair Sequence and Namaqualand Metamorphic Complex. Communications of the Geological Survey of Namibia 5 43-53

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The geological history of the Awasib Mountain terrain.pdf	1.5 MB

Swart R 1989. Note: Porphyroblastic K-feldspar from low-grade marbles of the Northern Zone of the Damara Orogen, Namibia. Communications of the Geological Survey of Namibia 5 87-89

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Porphyroblastic K_feldspar from low_grade marbles of the Northern Zone of the Damara Orogen.pdf	748.68 KB

Milner SC, Ewart A 1989. The geology of the Goboboseb Mountain volcanics and their relationship to the Messum Complex, Namibia. Communications of the Geological Survey of Namibia 5 33-42

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The geology of the Goboboseb Mountain volcanics and their relationship to the Messum Complex.pdf	1.49 MB

Dunai T, Stoessel GFU, Ziegler URF 1989. Note: A Sr isotope study of the Eureka Carbonatite, Damaraland, Namibia. Communications of the Geological Survey of Namibia 5 91-92

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Sr isotope study of the Eureka Carbonatite_Damaraland.pdf	259.09 KB

Duncan AR, Newton SR, van den Berg C, Reid DL 1989. Geochemistry and petrology of dolerite sills in the Huab River Valley, Damaraland, north-western Namibia. Communications of the Geological Survey of Namibia 5 5-18

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Geochemistry and petrology of dolerite sills in the Huab River Valley.pdf	1.28 MB

Ziegler DRF, Stoessel GFU 1989. Report: K-Ar, Rb-Sr and geochemical investigations in the Mooirivier Complex, south-western Windhoek District and north-western Maltahöhe District, Namibia. Communications of the Geological Survey of Namibia 5 71-78

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K_Ar_Rb_Sr and geochemical investigations in the Mooirivier Complex_south-western Windhoek District_north_western Maltahohe District.pdf	959.26 KB

Stoessel GFU, Ziegler URF 1989. Report: Geochemical, Rb-Sr and V-Pb isotope studies of some acid volcanics from the Rehoboth Basement Inlier, Namibia. Communications of the Geological Survey of Namibia 5 79-85

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Geochemical_Rb_Sr and V_Pb isotope studies of some acid volcanics from the Rehoboth Basement Inlier.pdf	934.88 KB

Phillips GN, Groves DI, Reed K 1989. Geochemistry of the Kuiseb metasediments around Windhoek, Namibia. Communications of the Geological Survey of Namibia 5 19-31

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Geochemistry of the Kuiseb metasediments around Windhoek.pdf	1.61 MB

Hoffmann KH 1989. New aspects of lithostratigraphic subdivision and correlation of late Proterozoic to early Cambrian rocks of the southern Damara Belt and their correlation with the central and northern Damara Belt and the Gariep Belt. Communications of the Geological Survey of Namibia 5 61-70

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New aspects of lithostratigraphic subdivision and correlation of late Proterozoic to early Cambrian rocks_southern Damara Belt.pdf	1003.01 KB

Kukla PA, Charlesworth EG, Stanistreet IG, Kukla C 1989. Downward-facing structures in the Khomas Trough of the Damara Orogen, Namibia. Communications of the Geological Survey of Namibia 5 55-60

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Downward_facing structures in the Khomas Trough of the Damara orogen.pdf	934.66 KB

Ziegler URF, Stoessel GFU 1988. K-Ar Dating of the Marienhof and Billstein Formations in the Rehoboth Basement Inlier, SWA/Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 53-58

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K_Ar Dating of the Marienhof and Billstein Formations in the Rehoboth Basement Inlier.pdf	702.42 KB

Hegenberger W 1988. Karoo sediments of the Erongo Mountains, their environmental setting and correlation. Communications of the Geological Survey of South West Africa/Namibia 4 59-66

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Karoo sediments of the Erongo Mountains_their environmental setting and correlation.pdf	806.22 KB

Reid DL, Malling S, Alisopp HL 1988. Rb-Sr ages of granitoids in the Rehoboth-Nauchas area, South West Africa/Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 21-31

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Rb_Sr ages of granitoids in the Rehoboth_Nauchas area.pdf	991.01 KB

Cilliers B, Beukes GJ 1988. 'n Petrogenetiese studie van 'n gedeelte van die Namakwalandse metamorfee kompleks langs die Oranjerivier, tussen die Ramansdrif - en Homriviere, in suidelike Suidwes-Afrika/Namibie. Communications of the Geological Survey of South West Africa/Namibia 4 105-114

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Petrogenetiese studie van gedeelte van die Namakwalandse metamorfee kompleks langs die Oranjerivier.pdf	1.54 MB

Harris C 1988. Oxygen isotope geochemistry of a quartz-agate geode from north-western Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 49-51

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Oxygen isotope geochemistry of a quartz_agate geode from north_western Namibia.pdf	260.95 KB

Kasch KW 1988. Lithostratigraphy and structural geology of the upper Swakop River area east of Okahandja, SWA/Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 67-76

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Lithostratigraphy and structural geology of the upper Swakop River area east of Okahandja.pdf	1017.29 KB

Badenhorst FP 1988. A note on stratiform tourmalinites in the late precambrian Kuiseb Formation, Damara Sequence. Communications of the Geological Survey of South West Africa/Namibia 4 77-80

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A note on stratiform tourmalinites in the late precambrian Kuiseb Formation_Damara Sequence.pdf	581.16 KB

Badenhorst FP 1988. The lithostratigraphy of the chuos mixtite in part of the southern central zone of the Damara Orogen, South West Africa. Communications of the Geological Survey of South West Africa/Namibia 4 115-122

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The lithostratigraphy of the chuos mixtite in part of the southern central zone of the Damara Orogen.pdf	981.48 KB

Haack U, Gohn E 1988. Rb-Sr data on some pegmatites in the Damara Orogen (Namibia). Communications of the Geological Survey of South West Africa/Namibia 4 15-19

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Rb_Sr data on some pegmatites in the Damara Orogen.pdf	491.67 KB

Walraven FC 1988. Geology and alteration-mineralization in the Gamigab Area, north of the Brandberg. Communications of the Geological Survey of South West Africa/Namibia 4 93-99

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Geology and alteration_mineralization in the Gamigab Area_north of the Brandberg.pdf	541.59 KB

Cooper AF 1988. Geology of Dicker Willem, a subvolcanic carbonatite complex in south-west Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 3-13

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Geology of Dicker Willem_a subvolcanic carbonatite complex in south_west Namibia.pdf	988.34 KB

Stoessel GFU, Ziegler URF 1988. Geochemistry of the Rehoboth Basement granitoids, SWA/Namibia. Communications of the Geological Survey of South West Africa/Namibia 4 81-91

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Geochemistry of the Rehoboth Basement granitoids.pdf	1.48 MB

Swart R 1987. The Brandberg West Formation - A late proterozoic carbonate turbidite?. Communications of the Geological Survey of South West Africa/Namibia 3 23-27

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The Brandberg West Formation_A late proterozoic carbonate turbidite.pdf	834.76 KB

Kasch KW 1987. Metamorphism of pelites in the upper Black Nossob River area of the Damara Orogen. Communications of the Geological Survey of South West Africa/Namibia 3 67-86

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Metamorphism of pelites in the upper Black Nossob River area of the Damara Orogen.pdf	1.92 MB

Pirajno F, Jacob RE 1987. Hydrothermal tin-tungsten mineralization in the Brandberg West-Goantagab area of the Damara Orogen, South West Africa/Namibia. Communications of the Geological Survey of South West Africa/Namibia 3 105-110

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Hydrothermal tin_tungsten mineralization in the Brandberg West_Goantagab area of the Damara Orogen.pdf	993.96 KB

Ward JD, Martin H 1987. A terrestrial conglomerate of Cretaceous Age - A new record from the Skeleton Coast, Namib Desert. Communications of the Geological Survey of South West Africa/Namibia 3 61-62

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A terrestrial conglomerate of Cretaceous Age_A new record from the Skeleton Coast_Namib Desert.pdf	363.38 KB

Merry CL, van Gysen H, Diehl M 1987. A reconnaissance gravity survey of the Skeleton Coast. Communications of the Geological Survey of South West Africa/Namibia 3 29-36

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A reconnaissance gravity survey of the Skeleton Coast.pdf	811.65 KB

Borg G, Graf N, Maiden KJ 1987. The Klein Aub fault zone - A wrench fault system in middle proterozoic metasediments in central SWA/Namibia. Communications of the Geological Survey of South West Africa/Namibia 3 97-104

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The Klein Aub fault zone_A wrench fault system in middle proterozoic metasediments.pdf	1.23 MB

Pfurr N, Wissmann K, Ahrendt H, Hill RS, Weber K 1987. Alpinotype thrust tectonics and basement-cover relationships in the southern margin zone of the Pan-African Damara Orogen, Rostock area. Communications of the Geological Survey of South West Africa/Namibia 3 135-142

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Alpinotype thrust tectonics and basement_cover relationships in the southern margin zone of the Pan_African Damara Orogen.pdf	766.88 KB

Hegenberger W 1987. Gas escape structures in precambrian peritidal carbonate rocks. Communications of the Geological Survey of South West Africa/Namibia 3 53-59

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Gas escape structures in precambrian peritidal carbonate rocks.pdf	962.87 KB

Schneider GIC 1987. On the mineralogy of nambulite, a rare manganese silicate from Namibia, Japan and Brazil. Communications of the Geological Survey of South West Africa/Namibia 3 37-40

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On the mineralogy of nambulite_a rare manganese silicate from Namibia_Japan and Brazil.pdf	333.82 KB

Hoffmann KH 1987. Statigraphic subdivision and sedimentary facies of the Duruchaus Formation in the Geelkop Dome and Nauaspoort-Wortelpoort area north of Rehoboth, southern Damara belt. Communications of the Geological Survey of South West Africa/Namibia 3 11-22

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Statigraphic subdivision and sedimentary facies of the Duruchaus Formation.pdf	1.21 MB

Schmidt-Mumm A, Behr H-J 1987. Fluid inclusion studies on hydrothermal mineralization associated with the Duruchaus Formation: Genetic aspects of large quartz dolomite bodies and associated alteration. Communications of the Geological Survey of South West Africa/Namibia 3 117-124

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Fluid inclusion studies on hydrothermal mineralization associated with the Duruchaus Formation.pdf	700.99 KB

1987. Tungsten mineralisation at the Ot Jua prospect: A geological and geochemical investigation. Communications of the Geological Survey of South West Africa/Namibia 3 143

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Tungsten mineralisation at the Ot Jua prospect.pdf	159.28 KB

Harris C 1987. A note on native copper occurences in Karoo basalts of the Etendeka Formation. Communications of the Geological Survey of South West Africa/Namibia 3 145-146

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A note on native copper occurences in Karoo basalts of the Etendeka Formation.pdf	182.94 KB

Milner SC, Duncan AR 1987. Geochemical characterisation of quartz latite units in the Etendeka Formation. Communications of the Geological Survey of South West Africa/Namibia 3 87-95

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Geochemical characterisation of quartz latite units in the Etendeka Formation.pdf	832.38 KB

Badenhorst FP 1987. Lithostratigraphy of the Damara Sequence in the Omaruru area of the northern central zone of the Damara Orogen and a proposed correlation across the Omaruru Lineament. Communications of the Geological Survey of South West Africa/Namibia 3 3-9

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Lithostratigraphy of the Damara Sequence in the Omaruru area of the northern central zone of the Damara Orogen.pdf	788.91 KB

de Kock GS 1987. Aspekte van die Okongavabatoliet en insluitsels van die Mafiese Audawibsuite op Otjimbingwe 104, Suidwes-Afrika. Communications of the Geological Survey of South West Africa/Namibia 3 41-51

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Aspekte van die Okongavabatoliet en insluitsels van die Mafiese Audawibsuite op Otjimbingwe 104.pdf	932.69 KB

von Knorring O, Franke W 1987. A preliminary note on the mineralogy and geochemistry of the Aris Phonolite, SWA/Namibia. Communications of the Geological Survey of South West Africa/Namibia 3 65

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A preliminary note on the mineralogy and geochemistry of the Aris Phonolite.pdf	236.97 KB