University of Botswana Research, Innovation and Scholarship Archive: Recent submissions
Now showing items 1981-2000 of 2188
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Characterization of enriched lithospheric mantle components in ∼2.7 Ga Banded Iron Formations: An example from the Tati Greenstone Belt, Northeastern Botswana
(Elsevier www.elsevier.com/locate/precamres, 2009)Major and trace element, samarium (Sm)–neodymium (Nd) and lead (Pb) isotopic analyses of individual mesobands of five Banded Iron Formations (BIFs) and associated volcanic and sedimentary rocks from the Neoarchean Tati ... -
Genesis of sediment-hosted stratiform copper–cobalt deposits, central African Copperbelt
(Elsevier www.elsevier.com/locate/jafrearsci, 2005)The Neoproterozoic central African Copperbelt is one of the greatest sediment-hosted stratiform Cu–Co provinces in the world, totalling 140 Mt copper and 6 Mt cobalt and including several world-class deposits (P10 Mt ... -
Basement control on dyke distribution in Large Igneous Provinces: Case study of the Karoo triple junction
(Elsevier www.elsevier.com/locate/epsl, 2006)Continental flood basalts consist of vast quantities of lava, sills and giant dyke swarms that are associated with continental break-up. The commonly radiating geometry of dyke swarms in these provinces is generally ... -
Mesoproterozoic rocks of Namibia and their plate tectonic setting
(Elsevier www.elsevier.com/locate/jafrearsci, 2006)Two main Mesoproterozoic provinces occur in southern Namibia: (1) The high-grade Namaqua Metamorphic Complex (NMC) composed of a supracrustal sedimentary succession and interpreted as a passive margin sequence in the west ... -
An overview of the geology and major ore deposits of Central Africa: Explanatory note for the 1:4,000,000 map ‘‘Geology and major ore deposits of Central Africa’’
(Elsevier www.elsevier.com/locate/jafrearsci, 2006)This paper is prepared within the frameworks of IGCP Project 470 and the associated BRGM scientific project ‘‘Africa 1999–2004’’ to accompany the 1:4,000,000 scale map ‘‘Geology and major ore deposits of Central Africa, ... -
The Karoo triple junction questioned: evidence from Jurassic and Proterozoic 40Ar/39Ar ages and geochemistry of the giant Okavango dyke swarm (Botswana)
(Elservier www.elsevier.com/locate/epsl, 2004)The lower Jurassic Karoo–Ferrar magmatism represents one of the most important Phanerozoic continental flood basalt (CFB) provinces. The Karoo CFB province is dominated by tholeiitic traps and apparently radiating giant ... -
Cryptic indicators of provenance from the geochemistry of the Okavango Delta sediments, Botswana
(Elsevier www.elsevier.com/locate/sedgeo, 2005)The siliciclastic sediments of the Okavango inland Delta of northwest Botswana have a modal composition of quartz arenites and result from a complex history, including transport by river and deposition in a nascent rift ... -
Major and trace element geochemistry of plutonic rocks from Francistown, NE Botswana: evidence for a Neoarchaean continental active margin in the Zimbabwe craton
(Elsevier www.elsevier.com/locate/lithos, 2003)The Neoarchaean Tati granite–greenstone terrane occurs within the southwestern part of the Zimbabwe craton in NE Botswana. It comprises 10 intrusive bodies forming part of three distinct plutonic suites: (1) an earlier ... -
Sediment-hosted Zn–Pb–Cu deposits in the Central African Copperbelt
(Elsevier www.elsevier.com/locate/oregeorev, 2009)Stratabound epigenetic sulphide Zn–Pb–Cu ore deposits of the Central African Copperbelt in the Democratic Republic of Congo and Zambia are mostly hosted in deformed shallow marine platform carbonates and associated ... -
The occurences of chest pains and frequent coughing among residents living within the Selibe-Phikwe Ni-Cu mine area, Botswana
(AJOL http://www.ajol.info/index.php/ajhs/article/view/30799/23130, 2005)This study aimed at establishing occurrences of chest pains and frequent coughing among different classes of residents within Selibe Phikwe, Botswana where there are on going nickel-copper mining and smelting activities. ... -
Botswana’s environmental policy on recycling
(www.elsevier.com/locate/resconrec, 2005)Recycling operations have become one of the primary strategies forwaste management,worldwide. Especially, recycling operations are viewed as among the most effective techniques for reducing the amount of municipal solid ... -
A review of mineral development and investment policies of Botswana
(Elsevier http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6VBM-4HMXJJS-1-1&_cdi=5930&_user=778200&_orig=search&_coverDate=09%2F30%2F2005&_sk=999699996&view=c&wchp=dGLbVlz-zSkWb&md5=2b0e6a95538c49f439dba7e43fe1ee22&ie=/sdarticle.pdf, 2005)Botswana’s mineral policy objective is primarily to maximize the national economic benefit from the development of mineral resources. In 1999, the government replaced the old mining code of 1977, which was out of tune ... -
Shallow seismic refraction and magnetic studies at Lake Ngami, The Okavango Delta, Northwest Botswana
(Elsevier www.elsevier.com/locate/jafrearsci, 2007)A seismic refraction analysis was carried out on data acquired on an 8.5 km profile at Lake Ngami, NW Botswana, to determine the structure and stratigraphy underlying the lake. The seismic spread comprised a 48-channel ... -
Ages of detrital zircon grains from Neoproterozoic siliciclastic rocks in the Shakawe area: implications for the evolution of Proterozoic crust in northern Botswana
(Geological Society of South Africa. http://sajg.geoscienceworld.org/, 2000-06)The Precambrian rocks of northern Botswana comprise poorly exposed igneous complexes, high-grade metamorphic rocks, as well as sedimentary sequences including mainly siliciclastic and carbonate rocks. New U-Pb SHRIMP data ... -
A hybrid approach to house construction – a case study in Botswana
(Taylor and Francis, http://www.pdfserve.informaworld.com/940578_73138570, 1997)This paper examines the strategy of employing a hybrid combination of indigenous and modern housing construction technologies. Using a Botswana village as a case study, this paper examines four traditional house types ... -
Reversed discrimination and the renegotiation of power in an African society
(crencas religioes e poderes dos individuos as sociabilidades, 2008)Gender relations in Africa have always been important especially given the active involvement of women in production as well as reproduction processes. Women have always been actively involved in traditional economies as ... -
Ditumelo secondary literature review: HIV prevention and faith-based organisation in Botswana
(Boleswa Journal of Theology, Religion and Philosophy (BJTRP), 2008-06)The following secondary literature review was developed by a team of researchers from the University of Botswana, primarily from the Department of Theology and Religious studies, as part of an assessment of the present and ... -
Photonics and photochemical stability of aromatic molecules, family related in -structure but different in planarity, rigidity and molecule symmetry
(Elsevier Science Ltd. www.elsevier.com/locate/jphotochem, 2008)Intramolecular processes and fluorescence properties of 32 specially chosen aromatic molecules, different in degrees of planarity and rigidity, but family related in -structure are experimentally and theoretically (using ... -
The influence of the Tbetta level upon fluorescence and laser properties of aromatic compounds
(Elsevier Science Ltd. www.elsevier.com/locate/saa, 2004)The fluorescence and laser properties of seven specially chosen aromatic compounds are studied at 293 ◦C. The quantum yield of fluorescence, γ, decay times, τf , of the deaerated and non-deaerated solutions are measured. ... -
Urban environmental management in Botswana:towards a theoretical explanation of public policy failure
(Springer http://www.springerlink.com/index/05CM7XY4DJGUEUQL.pdf, 2001)For the last three and half decades, Botswana has been widely acclaimed to be one of sub-Saharan Africa's longest and most stable liberal democracies, coupled with and sustained by a growing economy. One of the major ...