It stretches for 350 km long by 200 km wide with a thickness that can exceed 10,000m. University of the witwatersrand school of education how do teachers respond to prescriptive curriculum changes. Regional magnetic overprinting of witwatersrand supergroup sediments, south africa article pdf available in journal of geophysical research atmospheres 93b3. Faculties and schools wits university has 5 faculties encompassing the sciences, commerce, law, management, engineering, health sciences and humanities with 33 schools offering over 3000 courses. The highland, which forms the watershed between the vaal and limpopo rivers, is about 62 miles 100 km long and 23 miles 37 km wide. Pyrite in the mesoarchean witwatersrand supergroup, south. The university of the witwatersrand, johannesburg v. The witwatersrand is a 56kilometrelong 35 mi, northfacing scarp in south africa. It has been one of the richest goldmining areas in the world. Thermal properties of stratified rocks from witwatersrand. Discover witwatersrand basin in hartbeespoort, south africa. Gold mining in the witwatersrand basin has been responsible for the creation of the metropolis of johannesburg and. The student affairs office is your starting point for information on health, counselling, accommodation and sport. Wits university provides a wealth of academic, cultural and sporting options for undergraduate and postgraduate students.
Witwatersrand is a picturesque, 35mile long escarpment in the guateng province of south africa. A reference section for part of the jeppestown and government subgroups, witwatersrand supergroup, klerksdorp goldfield, south africa. Snatch opportunities for selfdevelopment and use the facilities and programmes at your disposal like those. The fossil gold placers of the witwatersrand pdf paperity. Apply here for an undergraduate degree or a postgraduate degree or diploma. The witwatersrand basin fill was subjected to a series of alteration events, ranging from. The management of the university of the witwatersrand has released online the institutions undergraduate and postgraduate prospectus in pdf for prospective students for the 20202021 academic session. Oil preserved in fluid inclusions in quartz grains in siliciclastic sedimentary rocks of that supergroup implies that hydrocarbon generation and migration occurred during the archaean, and may have been involved in mineralization processes. Situated in the heart of the economic hub of the african continent, the. Neoarchaean tectonic history of the witwatersrand basin and ventersdorp supergroup. Neoarchaean tectonic history of the witwatersrand basin. Promoting equal opportunity and fair treatment in employment through the elimination of unfair discrimination. The witwatersrand basin is approximatly 350 km long and 200 km wide.
The witwatersrand supergroup unconformably overlies the dominion group and surrounding archean granitegreenstone basement and is itself overlain unconformably by the ventersdorp supergroup. Another analogue to witwatersrandtype deposits is sited in the roraima supergroup, in northern south america santos et al. University of the witwatersrand african studies institute african studies seminar paper to be presented at seminar in rw 319 at 4. Gold mining in these buried portions of the witwatersrand supergroup is sometimes. A revised stratigraphic framework for the witwatersrand. New constraints from highresolution 3d seismic reflection data. The witwatersrand is a large basin of metamorphosed conglomerates that forms the greatest goldfield in the world. Syndepositional tectonism that extended from the hinterland into the foreland basin led to repeated further physical reworking of goldrich sediments to form more placer deposits higher up in the stratigraphy, even above the witwatersrand supergroup. Witwatersrand mountain ridge, south africa britannica. Commerce in accountancy at the university of the witwatersrand, johannesburg.
Pdf a reference section for part of the jeppestown and. Often called rand a region of northeast south africa between the vaal river and johannesburg. Michael meyer i department of geology, university of the witwatersrand, private bag 3, wits 2050, south africa received 19 december 1994. Student riots in south african schools 1945 1976 by jonathan hyslop no. And you were quite keen on the national service johan anderson. University of the witwatersrand, johannesburg school of accountancy a research report submitted to the faculty of commerce, law and management in partial fulfilment of the requirements for the degree of master of commerce beps action 7 the impact that changes to the pe definition will have on the manner in which multinational enterprises. A study in teacher discourse about educational reform. The witwatersrand supergroup overlies the dominion group ca. The impact of gold mining on the witwatersrand on the. Archaean oil migration in the witwatersrand basin of south. The sedimentary setting of witwatersrand placer mineral. The university of the witwatersrand prospectus 2020 is available for download.
Pdf the witwatersrand basin in south africa has been the focus of gold exploitation for more than 100 years, and the. A 1600m succession of quartz arenites and associated shaley deposits comprising the hospital hill subgroup at the base of the witwatersrand supergroup is. Its estimated that half of the worlds gold was mined from south africas golden arc. The witwatersrand orebodies are confined to a tectonically preserved remnant of a more extensive sedimentary basin with a complex syn and postdepositional history phillips and law, 2000. The witwatersrand supergroup is an erosional and structural remnant of a large sedimentary succession that was deposited between 3. Evidence of tidal processes from the lower part of the witwatersrand. Petrographic and sulphur isotope studies support the long. The grains are concentrated at sites where detrital heavy minerals are abundant within quartz. A revised stratigraphic framework for the witwatersrand supergroup issue 42 of lithostratigraphic series. University of the witwatersrand application 20202021. University of the witwatersrand prospectus 2020 download. Palaeoenvironmental significance of rounded pyrite in. The entire series of rocks, known as the witwatersrand supergroup, consists of very hard erosion resistant quartzites, banded ironstones and some marine lava deposits.
The university is committed to the goals of the employment equity act 55 of 1998 which was enacted inter alia to achieve equity by. It consists of largely undeformed sandstones, minor conglomerates, shale, and felsic ashfall tuffs, all of which rest on a 2. Witwatersrand, ridge of goldbearing rock mostly in gauteng province, south africa. University of witwatersrand wits encourage prospective students undergraduate to apply online or via hard copy application forms soon as possible for 2021 academic year. The witwatersrand rocks overlie rocks of the dominion reef system, underlie those of the ventersdorp system, and occur in an eastwest band from randfontein to springs and from the vaal river in the region of klerksdorp in the north to. The vast gold resources which have been mined since 1886 make it relevant for study. The impact of gold mining on the witwatersrand on the rivers and karst system of gauteng and north west province, south africa article in journal of african earth sciences 6815. Regional magnetic overprinting of witwatersrand supergroup. This goldbearing layer consists of the sediments that were deposited after the partial erosion of the witwatersrand supergroup. The scarp, primarily formed of hard, erosion resistant quartzite sedimentary rocks, as well as banded ironstones and marine lava deposits.
The university has its roots in the mining industry, as do johannesburg and the witwatersrand in general. Task group for the witwatersrand supergroup, council for geoscience south africa editor. Petrographic, chemical and multiple sulfur isotope analyses were conducted on pyrite from argillaceous, arenaceous and rudaceous sedimentary rocks from the mesoarchean witwatersrand supergroup. Porous and concentrically laminated pyrite grains generation 1 are particularly enriched in au average 6. Witwatersrand supergroup and dominion group, and the localities of samples analysed in this study. It is more commonly known as wits university or wits v. Witwatersrand definition, a rocky ridge in s africa, in the republic of south africa, near johannesburg. The theory of an originally detrital origin of the witwaters rand deposits is now well supported by. Pdf evaluating the structural character and tectonic history of the. Witwatersrand synonyms, witwatersrand pronunciation, witwatersrand translation, english dictionary definition of witwatersrand. The dominion group is a volcanosedimentary sequence of archeaan age underlying the witwatersrand supergroup in northern south africa. Yes i wanted to join but being under contract at the railways i couldnt join pfi just turned 19 when i got to the unit, did the normal. Metal distribution in pyrobitumen of the carbon leader reef, witwatersrand supergroup, south africa. Visualizing the formation of uranium and gold ore related.
Geology, the mesoarchean witwatersrand supergroup is a remarkably well preserved siliciclastic dominated cratonic platform succession located on the kaapvaal craton in south africa. Witwatersrand supergroup which is up to 7 km thick and is subdivided into the lower west rand group between 2970 and 2910 ma and the upper, goldbearing central rand group between 2890 and 2710 ma. A petrographic and mineral chemical study was conducted on pyrite from nonconglomeratic sedimentary rocks of the 3. The basin basement and the witwatersrand supergroup, were proba in which the rocks of the central rand group sediments bly deposited somewhere between about 3 100 ma 21 and were being deposited was probably smaller in extent, and 2 800 ma ago 22. This study gives an explanation for the formation of uranium and gold ore related to fossil hydrocarbons in the witwatersrand basin.
A dissertation submitted to the faculty of science, university of the witwatersrand. The late archaean witwatersrand supergroup of south africa hosts the largest known golduraniumpyrite ore deposits. At the base of the ventersdorp supergroup, which consists mostly of a sequence of igneous rocks, a layer of sedimentary rock known as the ventersdorp contact reef is found. Witwatersrand definition of witwatersrand by the free. The gold mines in this area are possibly the deepest mines in the world mining operations at 3600 m and exploration coredrilling up to 4600m. A study on the scientific journal precambrian research was recently published by researcher sebastian fuchs from the geomarhelmholtz centre of ocean research kiel germany and his coworkers. The witwatersrand basin of south africa is an elongate structure of archean age 2. Hydrothermal replacement model for witwatersrand gold. Geological framework and mineralization processes laurence j. To apply to the university of the witwatersrand application, you need the documents below.
The witwatersrand sedimentary sequence witwatersrand supergroup was deposited on the stable granitegreenstone crust of the kaapvaal craton. Download limit exceeded you have exceeded your daily download allowance. Metal distribution in pyrobitumen of the carbon leader. Pyrite zoning as a record of mineralization in the. Study at wits wits offers undergraduate degrees and postgraduate degrees and diplomas, as well as a range of short courses and parttime and online offerings. University of the witwatersrand historical paper tape 07. Witwatersrand system, major division of precambrian rocks in south africa the precambrian began about 3.
It usually contains information about the institution and the available courses, including advice on how to apply and the benefits of. Wits prospectus 2020 pdf university of witwatersrand. Durrheim a,c a school of geosciences, university of the witwatersrand johannesburg, pbag 3, wits, 2050, republic of south africa. Witwatersrand basin hartbeespoort, south africa atlas. Goldfields extend for 300 km around the margin of the archaean witwatersrand basin of south africa associated with regional greenschist facies metamorphism. Witwatersrand definition and meaning collins english. A university or school prospectus is a document sent to potential prospective students to attract them to apply for admissions. It is one of the main goldproducing reefs in the witwatersrand with an estimated resource of 117. The west rand group consists of alternating quartzite and shale units and one lava unit, while the. It has not been previously submitted for any degree or examination at this or any other university. The witwatersrand plateau consists of a 5 000to7 000metrethick 3.
1127 248 891 221 308 454 277 412 398 758 933 1060 821 1461 1525 509 1036 1445 943 1454 1032 1049 812 862 127 1321 5 322 1064 1226 1257 1236 991 1101 377 19 324 517 1451 943 589 602