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Browsing Research Articles (Geology) by Type "Article"
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Bordy, Emese M.; Bumby, Adam John; Catuneanu, Octavian; Eriksson, Patrick George
(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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Meyer, Jacobus Johannes Marion; Schutte, Christiaan E.; Hurter, Jan W.; Galt, Nicole S.; Degashu, Petunia; Breetzke, Gregory Dennis; Baranenko, Denis; Meyer, Nicole L.
(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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Goetz, A.E. (Annette); Lenhardt, Nils
(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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Le Bras, L.Y.; Milani, Lorenzo; Bolhar, R.; O'Sullivan, G.
(Geological Society of South Africa, 2022-06)
Uranium-lead dating of apatite was undertaken by Laser Ablation-Sector Field-Inductively Coupled Plasma Mass Spectrometry (LA-SF-ICPMS) in situ on apatite from principal rock types of the Loolekop phoscorite-carbonatite ...
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Chetty, D.; Gryffenberg, L.; Lekgetho, T.B.; Molebale, I.J.
(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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Ruban, Dmitry Aleksandrovitch
(Muséum d'histoire naturelle de la Ville de Genève, 2009-06)
Brachiopods were affected strongly by the Early Toarcian mass extinction within the Northern Caucasus, which at that time was a large region on the northern margin of the Neo-Tethys Ocean. However, their decline preceded ...
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De Waal, Sybrand Abraham; Schweitzer, Joachim-Klaus; Graham, I.T. (Ian); Gauert, Christoph; Ripley, Edward
(Geological Society of South Africa, 2008)
A suite of high-ti mafic to felsic igneous rock (acronym:HITIS) was emplaced at -2055 Ma as km-sized bodies to the South of the Bushveld Complex, South Africa, stretching from Parys and Potchefstroom in the south-west to ...
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Bullock, Liam A.; Nkosi, Zakhele; Vele, Nkosi; Amponsah-Dacosta, Maxwell
(Elsevier, 2023-03)
South Africa has the potential to be a global leader in implementing strategies targeting geochemical carbon
dioxide removal (CDR) using mine tailings, utilising methods for alkalinity production and mineral carbonation.
This ...
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Morekhure-Mphahlele, Refilwe; Focke, Walter Wilhelm; Grote, Wiebke
(Acoustical Society of America, 2017-03)
Two traditional cosmetic clays bear similar names in different local South African languages: vumba
(Tshivenda) and ubumba (isiZulu). The wet clays are applied topically for cosmetic purposes by the
respective indigenous ...
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Moroeng, Ofentse Marvin; Keartland, Jonathan M.; Roberts, R.J. (James); Wagner, Nicola J.
(SpringerOpen, 2018-09)
Coal contains a significant concentration of free radicals as a result of the coalification process. One of the
experimental methods sensitive to the presence of radicals is electron spin resonance (ESR), and differences ...
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Potgieter, J.H. (Johannes Hendrik); Delport, D.J.; Verryn, Sabine Marie Charlotte; Potgieter-Vermaak, S.S.
(South African Chemical Institute, 2011)
Corrosion of rebar in concrete is commonly associated with, and to a large degree influenced by, the free chloride concentration in
the pore water. It is standard industry practice to add various mineral admixtures such ...
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Loubser, Maggi; Verryn, Sabine Marie Charlotte
(Geological Society of South Africa, 2008)
X-ray Fluorescence Spectroscopy (XRF) has reached the stage where it is classified as a mature analytical technique. The theoretical principles are well understood. In addition modern instrumentation demonstrates enhanced ...
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Moroeng, Ofentse M.; Mhuka, Vimbai; Nindi, Mathew M.; Roberts, R.J. (James); Wagner, Nicola J.
(SpringerOpen, 2019-12)
This study aims to compare iso-rank vitrinite-rich and inertinite-rich coal samples to understand the impact of
coal-forming processes on pyrolysis chemistry. A medium rank C bituminous coal was density-fractionated to ...
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Pule, T.; Fourie, C.J.S.; Kijko, Andrzej; Midzi, V.
(Geological Society of South Africa, 2015-12)
Southern Africa is considered a stable continental region in spite of several reported medium size earthquakes, some of which
caused considerable damage and casualties. The 1969 Ceres 6.3 magnitude earthquake is considered ...
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Merkle, R.K.W. (Roland Karl Willi), 1954-; Grote, Wiebke; Graser, Peter
(Geological Society of South Africa, 2008)
Gold-rich alloys with variable amounts of Pd from the Merensky Reef, Bushveld Complex, are characterized by a range of finely dispersed inclusions. The small sizes of these inclusions (median of 1,85 µm) make fully ...
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Maier, W.D.; Prichard, H.M.; Barnes, S.-J.; Fisher, P.C.
(Geological Society of South Africa, 1999)
One hundred and forty five grains of laurite in polished sections of samples from one borehole through the
major chromitite layers and some chromite-bearing silicate rocks of the Lower and Critical Zones of the western ...
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Tibane, Lowanika Victor; Harris, P.; Pollmann, H.; Ndongani, F.L.; Landman, Brandon Evan; Altermann, Wladyslaw, 1954-
(Elsevier, 2021-12-04)
Please read abstract in the article.
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Twala, Mthokozisi Nkosingiphile; Roberts, R.J. (James); Munghemezulu, Cilence
(Geological Society of South Africa, 2020-12)
Multispectral sensors, along with common and advanced algorithms, have become efficient tools for routine lithological
discrimination and mineral potential mapping. It is with this paradigm in mind that this paper sought ...
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De Wit, M.C.J. (Mike)
(Geological Society of South Africa, 2016-12)
Diamond-bearing gravels of the Lichtenburg-Ventersdorp area of the North West Province are associated with
north-south orientated sinuous 'runs' that occur almost entirely on a flat erosional surface of the Malmani ...
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Rigby, Martin J.; Droop, G.T.R.; Plant, David; Graser, Peter
(Geological Society of South Africa, 2008-09)
The oxygen content of cordierite was analysed in 30, well-characterised samples, using electron probe micro-analysis (EPMA). The major elements were assumed to be stoichiometric and therefore any remaining oxygen from the ...