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Browsing Geology by Title
Now showing items 1-20 of 384
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A three-dimensional model for the Leeuwpoort tin mine and its application to exploration prediction (University of Pretoria, 2017)Due to tighter financial margins, the need for better knowledge of grade data is required. Geological models allow the user to have a better understanding of the geological environment in which mining is taking place. Three ...
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(Society for Sedimentary Geology, 2004)Sandstone pillars in the Lower Jurassic eolian strata of the Clarens Formation are concentrated in clusters, with up to four pillars within 25 m2 in two localities in the Tuli Basin of northern South Africa and southern ...
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(University of Pretoria, 1976)Nunataks within an area of approximately 3 400 km2 between latitudes 71°50' and 72°35' south and longitudes 1°30' and 4°00' west were mapped geologically by the 12th South African National Antarctic Expedition during ...
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(Taylor & Francis, 2014-09)No abstract available
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(BioMed Central, 2020-08)BACKGROUND: In this multidisciplinary study we present soil chemical, phytochemical and GIS spatial patterning evidence that fairy circles studied in three separate locations of Namibia may be caused by Euphorbia ...
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Alteration assemblage in the lower units of the Uitkomst Complex, Mpumalanga Province, South Africa (University of Pretoria, 2012-09-14)The Uitkomst Complex is located within the Great Escarpment area close to the town of Badplaas, approximately 300 km due east of Pretoria, in the Mpumalanga Province, South Africa. This complex is believed to represent a ...
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(Polish Academy of Sciences, 2011)During Middle Triassic times, the Peri-Tethys Basin bordered the north-western Tethys shelf and was connected to the open Tethys Ocean via three seaways. Today, lower Muschelkalk carbonates of this epeiric sea cover large ...
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(Springer, 2019-10)Please read abstract in the article.
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(Elsevier, 2011-05)Alteration zones (more commonly foot wall alteration zones) are related to volcanic-hosted massive sulfide (VMS) deposits and represent unique features that may be targeted during exploration. Of these, the chloritic foot ...
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(Springer, 2014-09)The aquifer vulnerability of the Molototsi (B81G) and Middle Letaba (B82D) quaternary catchments was assessed to determine the influence of the vadose zone on the groundwater regime. The aquifer vulnerability was assessed ...
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(Springer, 2014-02)This article reflects discussions German and South African Earth scientists, statisticians and risk analysts had on occasion of two bilateral workshops on Data Integration Technologies for Earth System Modelling and ...
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(Springer, 2017-05)The vadose zone typically comprises soil underlain by fractured rock. Often, surface water and groundwater parameters are readily available, but variably saturated flow through soil and rock are oversimplified or estimated ...
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(University of Pretoria, 2018)Most present cemeteries were sited without any consideration of the potential risks they may have to the local environment and community. The metals used in coffin-making may gradually weaken into harmful contaminants. ...
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Assessment of chemical and mineralogical characteristics of airborne dust in the Sistan region, Iran (Elsevier, 2013-01)Windblown transport and deposition of dust is widely recognized as an important physical and chemical concern to climate, human health and ecosystems. Sistan is a region located in southeast Iran with extensive wind ...
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(University of Pretoria, 2008-07-08)The Impala Platinum Mines are located in the western limb of the Bushveld Complex. The economic platinum mineralization which is currently being mined at Impala Platinum occurs in the Merensky and the Upper Group 2 (UG2) ...
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(University of Pretoria, 2014)Vadose zone hydrology is a developing science influenced by earth scientists (soil scientists, pedologists, hydrogeologists, engineering geologists and geomorphologists) and engineers (geotechnical). ...
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(Elsevier, 2020-01)Please read abstract in the article.
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(Southern African Institute of Mining and Metallurgy, 2009-10)The characterization of platinum group minerals (PGMs) from concentrator flotation circuits provides valuable information towards understanding PGM recovery under given milling and flotation conditions. Additional ...
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(Taylor and Francis, 2016)Eleven new baddeleyite U–Pb crystallisation ages and associated whole-rock geochemistry on NE–NNE-trending tholeiitic dykes cutting across the north-eastern corner of the Archaean Kaapvaal Craton, the overlying Transvaal ...
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(Wiley, 2019-09)This study presents a method for estimating two area‐characteristic natural hazard recurrence parameters. The mean activity rate and the frequency–size power law exponent are estimated using Bayesian inference on combined ...
Now showing items 1-20 of 384