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Geology of the Northern Bushveld Complex and the Setting ,

Re-Os isotope and Pd/Ru variations in chromitites from the Critical Zone, Bushveld Complex, South Africa Geochimica et Cosmochimica Acta 101016/s0016-7037 99 00092-7...

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The Platinum Group Element Deposits of the Bushveld ,

By R Grant Cawthorn School of Geosciences, University of the Witwatersrand, Private Bag 3, Johannesburg 2050, South Africa E-mmail grantcawthorn witsacza There are enough platinum group element deposits in the Bushveld Complex in South Africa to supply world demands for many decades or even a century using current mining techniqu...

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R CAWTHORN University of the Witwatersrand ,

R Grant Cawthorn The Pilanesberg Complex South Africa is one of the world s largest but least studied alkaline complex It consists of trachytes, phonolites, syenites and ,...

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Emplacement and Crystallization Time for the Bushveld Complex

Bushveld Complex R Grant Cawthorn Recent exploration in the Transvaal indicates possible new pia tin urn deposits, but they are not likely to be payable jor some time South Africa and Bophuthatswana produce well over 50070 of the world s platinum and hold an even greater proportion of the world s known reserv Furthermore, until...

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RELATIONSHIP BETWEEN PGE AND PGM IN THE BUSHVELD COMPLEX

CiteSeerX - Document Details Isaac Councill, Lee Giles, Pradeep Teregowda The abundances of the platinum-group elements PGE , and their relative proportions, are summarized for all the mines exploiting the Merensky Reef on both western and eastern limbs of the Bushveld Complex, in South Africa Grades for the mined reef interval are uniform over 100 km of strike ,...

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Parental magma to the Bushveld Complex Nature

The Bushveld Complex of South Africa is a large layered intrusive suite of cumulate rocks for which the parental magma is not directly obtainable ,...

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The Bushveld Complex, South Africa SpringerLink

19-05-2015 0183 32 The mafic rocks of the Bushveld Complex, South Africa, were emplaced into a stable cratonic shield some 206 by ago, and have remained remarkably well preserved from deformation, metamorphism and low temperature alteration, at least partly by its isostatic impact on the entire crustal thickness...

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Evidence from trace element geochemistry for multiple ,

Cawthorn, 1980 Kruger and Marsh, 1982 Von Gruenewaldt, 1973 A satellite intrusion of the Bushveld Complex, the Losberg Complex crops out to the south of the Bushveld Complex Jansen, 1954 and geochemicar data have been presented Danchin and Ferguson, 1970 These data are used to test the various hypotheses...

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The use of phosphorus contents in yielding estimates of ,

05-07-2018 0183 32 Grant Cawthorn, R 1994 Formation of chlor- and fluor-apatite in layered intrusions Mineralogical Magazine, Vol 58, Issue 391, p 299 , The Halogen Geochemistry of the Bushveld Complex, Republic of South Africa Implications for Chalcophile Element Distribution in the Lower and Critical Zon Journal of Petrology, Vol ....

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Massive pyroxene compositional oscillations on a metre ,

01-03-2020 0183 32 The other three Cawthorn et al, 1991 Karykowski et al, 2017 Mangwegape et al, 2016 are from borecore, and so maps of the Bushveld Complex cannot include such a unit Setera and VanTongeren 2018 stated The stratigraphy from the Pyroxenite Marker to the roof of the intrusion, has been termed the UUMZ , but do not state how it should be defined in ,...

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ICDP Workshop Agenda

Cawthorn, Grant University of the Witwatersrand South Africa grantcawthorn witsacza 10 Chistyakova, , Is there a particular geographic region of the Bushveld complex that is essential for your study? If so, explain why and be specific about the location NO...

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platinum grinding equipment at bushveld comple

grant cawthorn bushveld complex platinum grinding equipment at bushveld complex Igneous rocks record the direction of the Earth s magnetic field as they cool through their Curie temperature The mafic magmas of the 8-km-thick Bushveld Complex of South Africa took 65 ky to be emplaced, ....

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Grant Cawthorn Bushveld Complex

Grant Cawthorn Bushveld Complex We are here for your questions anytime 24/7, welcome your consultation Get Price 2015-9-16geochemistry of magnetitite layers in the upper zone of the bushveld complex, south africa y ramphelane prince maila i would like to thank my supervisor prof grant cawthorn for his invaluable support and insight during ....

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The Bushveld Complex, South Africa Semantic Scholar

The mafic rocks of the Bushveld Complex, South Africa, were emplaced into a stable cratonic shield some 206 by ago, and have remained remarkably well preserved from deformation, metamorphism and low temperature alteration, at least partly by its isostatic impact on the entire crustal thickness The generation and emplacement of possibly 1 million km3 of magma within ,...

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The Platinum Group Element Deposits of the Bushveld ,

The Platinum Group Element Deposits of the Bushveld Complex in South Africa By R Grant Cawthorn School of Geosciences, University of the Witwatersrand, Private Bag 3, Johannesburg 2050, South Africa E-mail grantcawthorn witsacza Article Synopsis...

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grant cawthorn bushveld complex

Sills associated with the Bushveld Complex, South Africa ,Grant Cawthorn, R Davies, G Clubley-Armstrong, A McCarthy, T S Affiliation , The first is a metadolerite and pre-dates the Bushveld Complex The middle two are generally related to the Complex itself One has quench-textured olivine and orthopyroxene crystals and chemically equates to the parental magma of ,...

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Collections University of St Andrews

Bushveld Complex Documentation Description Letter from R Grant Cawthorn from the University of Witwatersrand, Johannesburg Details the purchase of 14 samples from the Eastern Bushveld Complex, with a map enclosed showing their sampling location Collection Geology Collection Parent record Geology Collection Parent record level Collection Hierarchy...

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Origin of the Merensky Pegmatitic Pyroxenite, Bushveld Complex

Origin of the Merensky Pegmatitic Pyroxenite, Bushveld Complex R Grant Cawthorn and Kevin D Boerst Department of Geology,University of the Witwatersrand, PO Wits, 2050, South Africa e-mail 065rgc cosmoswitsacza The feldspathic pegmatitic pyroxenite associated with the platinum mineralization of the Merensky Reef, Bushveld Complex, has been...

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The Platinum Group Element Deposits of the Bushveld ,

By R Grant Cawthorn School of Geosciences, University of the Witwatersrand, Private Bag 3, Johannesburg 2050, South Africa E-mail grantcawthorn witsacza There are enough platinum group element deposits in the Bushveld Complex in South Africa to supply world demands for many decades or even a century using current mining techniqu...

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grant cawthorn bushveld comple

Grant Cawthorn Bushveld Complex - haagdekode Grant cawthorn, rffiliation aaschool of geosciences, university of the witwatersrand, po wits, 2050, in the case of the bushveld complex, several km of hot, dense magma intruded into low-density sandstones and shalesalong a strike length of 160 km in the western bushvelduch changes indicate that there was ,...

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grant cawthorn bushveld complex

grant cawthorn bushveld complex Mining Machine filters for crushing factories in china rock to powder crusher precision grinding mills price cone crusher plant cost gold trommel wa Read More Bushveld Complex, South Africa Bushveld Complex, South Africa The Bushveld complex is a 65,000 km2 layered intrusive...

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Sources of platinum

21-08-2009 0183 32 Professor Grant Cawthorn indicates, in a paper on the platinum and palladium resources of the Bushveld Complex published in the South African Journal of Science, that it is generally understood ....

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