Alexander U. Falster, William B. Simmons, Karen L. Webber, Andrew P. Boudreaux,
... October 23, 2018 Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia Alexander U. Falster; Alexander U. Falster § MP2 ... Andrew P. Boudreaux; Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia. The Canadian Mineralogist 2018;; 56 (4): 425– ... Search Abstract The early Cretaceous anorogenic, sub-volcanic Erongo Granite, Namibia, was emplaced into metasedimentary rocks of the Neoproterozoic to Cambrian Damaran Orogeny. The Erongo Granite contains pegmatitic miaroles containing abundant beryllium and ...
Tópico(s): Geochemistry and Geologic Mapping
2018 - Mineralogical Association of Canada | The Canadian Mineralogist
Frank Holzförster, Harald Stollhofen, Ian G. Stanistreet,
The dissected landscape of the Waterberg-Erongo area, central Namibia, exposes Karoo-equivalent strata deposited in basins that occur throughout sub-Saharan Africa. Although many are of economic interest, ... not well understood. This study of the Waterberg-Erongo area provides detailed lithostratigraphical data, which suggest sedimentation ... distribution of the Karoo strata in the Waterberg-Erongo area, perhaps the most continuous of any of ... these lineaments, such as those in the Waterberg-Erongo area, with localised enhanced subsidence greater than that ...
Tópico(s): Geological and Geophysical Studies
1999 - Elsevier BV | Journal of African Earth Sciences
Marcus Wigand, Axel K. Schmitt, Robert B. Trumbull, Igor M. Villa, Rolf Emmermann,
The Erongo subvolcanic center in Namibia is the largest composite, bimodal complex in the Mesozoic Etendeka igneous province of ... that emplacement of the various igneous units at Erongo took place within a time span equivalent to ... basalt activity in the Etendeka–Paraná province. The Erongo complex comprises a series of felsic volcanic and ... Pb zircon) respectively. The youngest felsic magmas at Erongo are the high-silica Ekuta rhyolite and compositionally equivalent Erongo granite. These units yielded U–Pb zircon ages ...
Tópico(s): Geology and Paleoclimatology Research
2003 - Elsevier BV | Journal of Volcanology and Geothermal Research
Jullieta Enone Lum, Fanus Viljoen, Bruce Cairncross, Dirk Frei,
The granite hosted pegmatites of the Erongo Volcanic Complex in central Namibia are well known for the wide variety of minerals present, of considerable interest to mineral collectors. These ... blue (aquamarine) variants. Comprehensive geochemical studies of the Erongo beryls are very limited. The present contribution serves ... blue, two green and one colorless beryl from Erongo, and to compare these with other localities worldwide. The beryls from Erongo are generally subhedral to euhedral with a well- ...
Tópico(s): Geochemistry and Geologic Mapping
2016 - Elsevier BV | Journal of African Earth Sciences
Hj. Bernhardt, J. Härtwig, Veronika Lerche,
The granite hosted pegmatites of the Erongo Volcanic Complex in central Namibia are well known for the wide variety of minerals present, of considerable interest to mineral collectors. These ... blue (aquamarine) variants.Comprehensive geochemical studies of the Erongo beryls are very limited. The present contribution serves ... blue, two green and one colorless beryl from Erongo, and to compare these with other localities worldwide.The beryls from Erongo are generally subhedral to euhedral with a well- ... and do not serve to distinguish beryls from Erongo.
Tópico(s): Geochemistry and Geologic Mapping
1992 - Elsevier BV | Progress in Crystal Growth and Characterization of Materials
J. Desmond Clark, James Walton,
... discovered by Dr E. R. Scherz in the Erongo Mountains. These lie some 10 to 15 miles ... post-Karroo Age. The western face of the Erongo forms the edge of the plateau escarpment, and ... Abbé Henri Breuil when he was copying the Erongo rock paintings, but no study of the settlement ...
Tópico(s): Geotourism and Geoheritage Conservation
1962 - Cambridge University Press | Proceedings of the Prehistoric Society
Basanite intrusions from the Early Cretaceous Erongo complex, Namibia, have compositions consistent with near-primary mantle melts derived from a depth of at least 100 km. These rocks provide ... Initial Sr–Nd–Pb isotope ratios of the Erongo basanites and associated tephrites and phonotephrites (87Sr/86Sr = ... modern Tristan hotspot. The Tristan plume signature of Erongo basanite–tephrite intrusions is shared by at least ...
Tópico(s): earthquake and tectonic studies
2003 - Oxford University Press | Journal of Petrology
Robert B. Trumbull, M.‐S. Krienitz, B. Gottesmann, Michael Wiedenbeck,
... basement and potential source rocks of the Cretaceous Erongo granite. This study traces the B-isotope variations in tourmalines from the basement, from the Erongo granite and from its hydrothermal stage. Tourmalines from ... 13‰, n = 2). Virtually all tourmaline in the Erongo granite occurs in distinctive tourmaline-quartz orbicules. This " ...
Tópico(s): Radioactive element chemistry and processing
2007 - Springer Science+Business Media | Contributions to Mineralogy and Petrology
Peter Bowden, Judith A. Kinnaird, Michael Diehl, Franco Pirajno,
... Fort 1988). Major element concentrations for Brandberg and Erongo supported by chemical data from other Damaraland complexes ... Volcanic rocks and their granitic equivalents from the Erongo complex show petrological and geochemical criteria indicating substantial potash and boron metasomatism which has given the Erongo rocks a subalkaline potassic geochemical signature. Similar granite ...
Tópico(s): Geological Studies and Exploration
1990 - Wiley | Geological Journal
Guilhem Mauran, Matthieu Lebon, Florent Détroit, Benoît Caron, Alma Nankela, David Pleurdeau, Jean‐Jacques Bahain,
... rock paintings in the northwestern part of the Erongo (Namibia). It relies on extensive pXRF analyses of ... the pigments from rock painting sites in the Erongo Mountains. Furthermore, the study also confirmed the presence ...
Tópico(s): Archaeology and ancient environmental studies
2019 - Springer Nature | Archaeological and Anthropological Sciences
Guilhem Mauran, Matthieu Lebon, Océane Lapauze, Alma Nankela, Florent Détroit, Joséphine Lesur, Jean‐Jacques Bahain, David Pleurdeau,
... the discovery of several painted shelters within the Erongo Mountains (Namibia), no archaeological study of ochre assemblages ... at the rock art shelter of Leopard Cave (Erongo, Namibia), spanning ca. 5,700 to 2,100 ...
Tópico(s): Archaeology and ancient environmental studies
2020 - Springer Science+Business Media | African Archaeological Review
Sylvanus Ameh Onjefu, Mpingana Laimi Iyambo, J. Abah, Sindila Mwiya,
... 40K in 20 granite samples obtained from the Erongo Mountain Belt and Usakos Dome of the Erongo region, Namibia. All the samples were analysed using ...
Tópico(s): Geophysical Methods and Applications
2021 - Taylor & Francis | Geomatics Natural Hazards and Risk
... component analysis aiming to detect minerals in the Erongo complex, Namibia. We evaluate independent component analysis (ICA) to detect and map alteration halos in Erongo Namibia using the Hyperion dataset. Detailed surveys and ... von Hyperion Daten zur Kartierung von Verwitterungszonen in Erongo, Namibia. Wir prasentieren ein verbessertes Verfahren fur die ... ICA) mit dem Ziel der Mineral-Erkennung im Erongo Komplex. Detail- Untersuchungen sind unter Verwendung von Hyperspektral- ...
Tópico(s): Geochemistry and Geologic Mapping
2010 - E. Schweizerbart | Photogrammetrie - Fernerkundung - Geoinformation
Ilmari Haapala, Stephen Frindt, J KANDARA,
... are found in the Gross Spitzkoppe, Klein Spitzkoppe, Erongo, Brandberg, Messum, Cape Cross, and Paresis complexes. The ... peraluminous granodiorites and tourmaline-bearing granites of the Erongo complex. Pre-Damara gneisses are the main source ...
Tópico(s): Geochemistry and Geologic Mapping
2007 - Elsevier BV | Lithos
David Pleurdeau, Emma Imalwa, Florent Détroit, Joséphine Lesur, Anzel Veldman, Jean‐Jacques Bahain, Eugène Marais,
... Later Stone Age (LSA) site of Leopard Cave (Erongo, Namibia), which contains confirmed caprine remains, from which ...
Tópico(s): Archaeology and ancient environmental studies
2012 - Public Library of Science | PLoS ONE
Jean‐Pascal Dumoulin, Matthieu Lebon, Ingrid Caffy, Guilhem Mauran, Alma Nankela, David Pleurdeau, Emmanuelle Delqué-Količ, C. Moreau, Marion Perron, Marc Sieudat, B Thellier, Lucile Beck,
... accretions collected in the open-air sites of Erongo Mountains in Namibia. The accretions were separated into ...
Tópico(s): Archaeology and Rock Art Studies
2020 - Cambridge University Press | Radiocarbon
Guilhem Mauran, Benoît Caron, Florent Détroit, Alma Nankela, Jean‐Jacques Bahain, David Pleurdeau, Matthieu Lebon,
... the Later Stone Age site of Leopard Cave, Erongo Mountains - Namibia, were analysed by ICP-OES and ...
Tópico(s): Geochemistry and Geologic Mapping
2021 - Elsevier BV | Journal of Archaeological Science Reports
Martina Lensing-Burgdorf, A. Watenphul, Jochen Schlüter, Boriana Mihailova,
... morphologies from miarolitic cavities in pegmatites of the Erongo granite are analysed by Raman spectroscopy and in ...
Tópico(s): Crystal Structures and Properties
2017 - Elsevier BV | European Journal of Mineralogy
Sylvanus Ameh Onjefu, N.N. Johannes, J. Abah, L.A. Onjefu, S. Mwiya,
... and evaluation of radiological hazards in Usakos marble, Erongo region, Namibia
Tópico(s): Graphite, nuclear technology, radiation studies
2022 - | Internatuinal Journal of Radiation Research
Sylvanus Ameh Onjefu, Nnenesi A. Kgabi, Simeon H. Taole, Owen P. L. Mtambo, Charles N. Grant, Johann M.R. Antoine,
... and indoor activities along the coastline of the Erongo region of Namibia. A closed ended questionnaire was ...
Tópico(s): Radioactive contamination and transfer
2016 - Scientific Research Publishing | Journal of Geoscience and Environment Protection
Raymond L. Njinga, Victor M. Tshivhase, Nnenesi A. Kgabi, Munyaradzi Zivuku,
... residing in Walvis Bay and Swakopmund towns in Erongo Region, Namibia. The concentrations of 226Ra, 232Th and ...
Tópico(s): Graphite, nuclear technology, radiation studies
2019 - | Journal of Environmental Science and Management
Stephanie Lohmeier, Bernd G. Lottermoser, Karl Strauß, Tim Adolffs, Sven Sindern, Daniela Gallhofer,
... several hundred-kilometer long placer district in the Erongo and S-Kunene regions in Namibia and are ...
Tópico(s): Geology and Paleoclimatology Research
2021 - Elsevier BV | Journal of African Earth Sciences
Maja Urosevic, Oliver Nebel, José Alberto Padrón‐Navarta, Daniela Rubatto,
... hydrothermal garnets (skarn) from two different localities in Erongo, Namibia.The in situ analyses are complemented by ... VSMOW = 5.67 ± 0.02‰).Magmatic garnet from Erongo, Namibia, is rich in Mn and Fe 2þ ... separates are heterogeneous in both crustal garnet from Erongo with a large spread ranging from À0.15 ...
Tópico(s): earthquake and tectonic studies
2018 - Elsevier BV | European Journal of Mineralogy
Tópico(s): Archaeology and ancient environmental studies
1976 - South African Archaeological Society | The South African Archaeological Bulletin
Tópico(s): Geological Formations and Processes Exploration
1990 - Geological Society of South Africa | South African Journal of Geology
... of the Rock Art Site of Leopard Cave (Erongo, Namibia): Looking for Later Stone Age Sociocultural Behaviors, ...
Tópico(s): Wildlife Ecology and Conservation
2002 - University of Chicago Press | Current Anthropology
George E. Harlow, F. C. Hawthorne,
... from Mogok, Myanmar; Yichung, China; Brazil; and probably Erongo, Namibia. The pegmatites at Ehrenfriedersdorf, Germany have produced ...
Tópico(s): Clay minerals and soil interactions
2008 - Mineralogical Society of America | American Mineralogist
Lorenzo Prendini, Tharina L. Bird,
... Massif and vicinity, north-western Namibia (Omaruru District. Erongo Region), is updated, based on a survey of ...
Tópico(s): Subterranean biodiversity and taxonomy
2008 - Pensoft Publishers | African Invertebrates
... 17. See http://www.klausdierks.com/images/Namibia_Erongo_Otjimbingwe_6.jpg. 18. For the Waterberg police ...
Tópico(s): German Colonialism and Identity Studies
2008 - Taylor & Francis | Visual Studies
Ilaria Adamo, G. Diego Gatta, Nicola Rotiroti, Valeria Diella, Alessandrο Pavese,
... Iran, and Kaghan, Pakistan), or in skarn rocks (Erongo, Namibia, and Antetezambato, Madagascar) has been performed by ...
Tópico(s): Geochemistry and Geologic Mapping
2010 - Elsevier BV | European Journal of Mineralogy