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Geology: Recent submissions
Now showing items 221-240 of 412
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(Elsevier, 2015-03)Although no unambiguous biogenic criteria exist to discriminate Precambrian shallow-marine succes-sions from fluvial deposits, physical sedimentological evidence, including an association of primarysedimentary structures ...
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(University of Pretoria, 2015)This research project aims to highlight and identify the main assumptions made, and the methods implemented during the construction of the liquid line of descent (LLD) for iron-rich basalts. The project investigates the ...
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A mineralogical and geochemical review of cycles V and VI of the Upper Zone of the Bushveld Complex (University of Pretoria, 2015)The Upper Zone is situated at the top of the Rustenburg Layered Suite and according to Kruger et al. (1987) represents the final stages of magma recharge. The Upper Zone, which is comprised of gabbro, anorthosite layers ...
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(University of Pretoria, 2015)Wetlands are multi-disciplinary ecosystems defined and classified in many different ways across the world, due to their high variability in hydrological conditions, location, size and human influence. In South Africa the ...
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(University of Pretoria, 2015)This thesis is an expansion on preliminary methodological systematics to a multi-disciplinary identification of cosmology in sub-Saharan Africa. The work also draws causal relationships to an explanatory level through ...
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(University of Pretoria, 2015)A palynofacies study of the lower number 4 coal seam in the Highveld coalfield of the Karoo Basin, South Africa, was conducted to get more insight into the palaeoenvironment. The lower number 4 coal seam was sampled near ...
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(University of Pretoria, 2015)Spontaneous combustion initiates as a result of low-temperature oxidation of organic coal components. The upper limit of the temperature range cited for oxidation is 70°C and the primary requirement is that combustion ...
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(University of Pretoria, 2015)The 2.06 Ga Rooiberg Group of South Africa, related to the greater Bushveld Igneous Complex forming event, is one of the most unique silicic large igneous provinces (sLIPs) of the Precambrian rock record. Akin to the Gawler ...
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(Wiley, 2014-06)Högbomite, a rare exotic mineral, is found to be associated with the vanadiferous–titaniferous (V-Ti) bearing magnetite bands at Bhakatarhalli, Nuggihalli greenstone belt, western Dharwar Craton, India. We report on a ...
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(Elsevier, 2014-08)Eolian ergs, and associated environs are sensitive to short- and long-term climate changes. In one of the oldest, erg deposits, the ~2.0 Ga Makgabeng Formation, facies association changes reflect one of the earliest ...
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(Springer, 2014-03)Satellite remote sensing provides important observational constraints for monitoring dust life cycle and improving the understanding of its effects on local to global scales. The present work analyses the dust-aerosol ...
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(Elsevier, 2015-01)In significant contrast to other cratonic blocks of India, the Singhbhum cratonic successions record contin-uous depositional record from the Palaeoarchaean to Mesoproterozoic. Although the sedimentary faciescharacteristics ...
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(Cambridge University Press, 2015-05)The North Singhbhum Mobile Belt (NSMB) is a 200 km long, curved Proterozoic fold– thrust belt that skirts the northern margin of the Archean Singhbhum Craton of NE India. The Singhbhum Shear Zone (SSZ) developed between ...
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(Geological Society of London, 2015)Basin classification rests on a plate tectonic foundation, highlighting lithospheric substrate, proximity to plate margin and relative motion of the nearest plate boundary. Major mechanisms for regional subsidence and ...
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(Elsevier, 2014-10)The middle Oxfordian warming climate and sea-level rise initiated the development of vast carbonate platforms in some western European basins. At the same time, however, siliciclastics and siliceous sponges dominated certain ...
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(South African Institution of Civil Engineering, 2015-03)Dispersive soils are prevalent in many areas of South Africa, and the presence of these soils has always posed a problem on road construction sites. The use of dispersive soils in roadway embankments and structures can ...
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(Taylor & Francis, 2014-09)No abstract available
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(University of Pretoria, 2014)The MRS/MISS of the Makgabeng Formation encompasses sand cracks, wrinkle marks, mat fragments, mat chips and roll-ups and those of the Magaliesberg formation are wrinkle marks, petees/petee ridges, sand cracks, and ...
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(University of Pretoria, 2014)The Springbok Flats (SBF) Basin is one of the smaller basins associated with the Karoo basins of the Late Carboniferous–Middle Jurassic age interval. The preserved SBF basin is a topographically flat area with very few ...
Now showing items 221-240 of 412