 | | Journal (article/letter/editorial) | | evolution of the northwest part of the Barberton Greenstone Belt, South Africa: A review C.R. Anhaeusser Economic...2050, South Africa e-mail: carl.anhaeusser@wits.ac.za © 2019 December Geological Society of South Africa...Abstract Formations on the northwestern flank of the Barberton Greenstone Belt have hosted over 85% of all the...the gold recovered from the ca. 3550 to 3000 Ma Barberton Supergroup since early discoveries in 1872. This...Pluton invaded the area north of present day Barberton town causing the separation of the greenstones |  | | Journal (article/letter/editorial) | | impact-produced spherule bed, Barberton greenstone belt, South Africa: A key to impact plume evolution...gbyerly@geol.lsu.edu © 2006 March Geological Society of South Africa Abstract Compositional grading of spherules...the ~3.24 Ga spherule bed S3, Barberton greenstone belt, South Africa, provides constraints on the evolution...47 to ~3.24 Ga Ma rocks of the Barberton greenstone belt, South Africa (Lowe and Byerly, 1986; Lowe et...water (Lowe and Byerly, 1999). In deep water and local shallow-protected settings S3 is composed largely |  | | Journal (article/letter/editorial) | | LOWER PART OF THE ARCHAEAN FIG TREE GROUP (SOUTH AFRICA) THOMAS O. REIMER Dyckerhoff Engineering GmbH... lower part of the Archaean Fig Tree Group (South Africa). Precambrian Res., 20: 375--390. The Ulundi...lowermost Fig Tree Group in the type area in the Barberton Mountain Land consists of a sequence of quartz--sericite...the Swaziland Supergroup in the Barberton Mountain Land of South Africa (Fig. 1) is related to the number...Publishers B.V. 376 Daylight Mine, and by Pflug (1966) from the Sheba Mine. These microfossils usually |  | | Journal (article/letter/editorial) | | gold mineraliza‐ tion at Sheba Mine, Barberton Greenstone Belt, South Africa Lucas Pintos Cerda, Caitlin...high-grade gold mineralization at Sheba Mine, Barberton Greenstone Belt, South Africa, Ore Geology Reviews (2020)...3 mineralization at Sheba Mine, 4 Barberton Greenstone Belt, South 5 Africa. 6 Lucas Pintos Cerda1*...Stellenbosch, Matieland 7602, Stellenbosch, South Africa. 10 11 *Corresponding author: E-mail address:...geochemical data from Sheba gold mine in the 17 Barberton Greenstone Belt of South Africa indicate that gold |  | | Journal (article/letter/editorial) | | MINERALISATION IN THE SHEBA-FAIRVIEW MINE, BARBERTON GREENSTONE BELT, SOUTH AFRICA P.H.G.M. DIRKS School...Witwatersrand, Private Bag 3, Johannesburg, 2050, South Africa Current Address: School of Earth and Environmental...Witwatersrand, Private Bag 3, Johannesburg, 2050, South Africa e-mail: guy.charlesworth@wits.ac.za; mphoyanga...Society of South Africa ABSTRACT Gold mineralisation in the world-class Sheba-Fairview mining district in the...the Barberton greenstone belt, South Africa, occurs along a fracture network that is arranged in overlapping |  | Argapadmi, Windeati, Toth, Eniko R., Fehr, Manuela A., Schönbächler, Maria, Heinrich, Christoph A. (2018) Silver Isotopes as a Source and Transport Tracer for Gold: A Reconnaissance Study at the Sheba and New Consort Gold Mines in the Barberton Greenstone Belt, Kaapvaal Craton, South Africa☼. Economic Geology, 113 (7) 1553-1570 doi:10.5382/econgeo.2018.4602 | Journal (article/letter/editorial) | | at the Sheba and New Consort Gold Mines in the Barberton Greenstone Belt, Kaapvaal Craton, South Africa*...Archean (3.55–3.10 Ga) Barberton greenstone belt of the Kaapvaal craton in South Africa. Published structuralgeologic...Group), marked by a variably tectonized former chert. Observations at New Consort (higher temperature...temperature, close to granitoid contact), Fairview, and Sheba (lower temperature in the interior of the greenstone...isotopic analyses were performed on native gold from Barberton, on two other lode gold deposits and two carbon |  | | Journal (article/letter/editorial) | | quartz at Sheba and Fairview gold mines: Clues to Mesoarchean mineralisation in the Barberton Greenstone...Greenstone Belt, South Africa Andrea Agangi a,⁎, Axel Hofmann a, Wojciech Przybyłowicz b,c,1 a b c PaleoProterozoic...University of Johannesburg, Auckland Park 2006, South Africa Materials Research Department, iThemba LABS...Foundation, PO Box 722, Somerset West 7129, South Africa AGH University of Science and Technology, Faculty...Arsenopyrite Archean Barberton Greenstone Belt a b s t r a c t The Fairview and Sheba mines are two of the |  | | Journal (article/letter/editorial) | | spinels in 3.24 Ga impact spherules, Barberton greenstone belt, South Africa Alexandra E. Krull-Davatzes a,b...Editor: R.W. Carlson Keywords: spherule spinel Barberton Archean oxygen atmosphere a b s t r a c t The...in the S3 spherule bed in the Barberton greenstone belt, South Africa, provides important clues about...Archean spherules from the Barberton greenstone belt (BGB), South Africa (Byerly and Lowe, 1994). Studies...impact-produced spherule bed in the Barberton greenstone belt, South Africa. Because these spinels formed within |  | Agangi, Andrea, Hofmann, Axel, Eickmann, Benjamin, Marin-Carbonne, Johanna, Reddy, Steven M. (2016) An atmospheric source of S in Mesoarchaean structurally-controlled gold mineralisation of the Barberton Greenstone Belt. Precambrian Research, 285. 10-20 doi:10.1016/j.precamres.2016.09.004 | Journal (article/letter/editorial) | | structurally-controlled gold mineralisation of the Barberton Greenstone Belt Andrea Agangi a,⇑, Axel Hofmann...Geology, University of Johannesburg, Johannesburg, South Africa c Université Lyon, UJM –Saint Etienne, Laboratoire...Archaean Gold Barberton Greenstone Belt Multiple S isotopes a b s t r a c t The Barberton Greenstone Belt...Belt of southern Africa hosts several Mesoarchaean gold deposits. The ores were mostly formed in greenschist...isotopes in sulfide ore from Sheba and Fairview mines of the Barberton Greenstone Belt to distinguish |  | | Journal (article/letter/editorial) | | Fairview Mine—multiphase gold mineralization during regional folding, Barberton Greenstone Belt, South Africa...Gold production in Fairview Mine in the Barberton Greenstone Belt, South Africa, is focused on high-grade...relationships with other auriferous reefs from the Fairview Mine complex indicate a late timing of the MRC-type mineralization...events. Keywords Orogenic gold . Barberton Greenstone Belt . Sheba fault . Multiphase timing Introduction...years, gold mining in the Barberton Greenstone Belt (BGB) in South Africa has produced some 350 tons |  | | Journal (article/letter/editorial) | | rocks of the 3.2 Ga Moodies Group, Barberton Greenstone Belt, South Africa Angela M. Hessler ∗ , Donald R...the 3.2 Ga Moodies Group in the Barberton greenstone belt, South Africa, are analyzed petrographically...rocks; Paleoweathering; Paleoclimate; Provenance; Barberton Greenstone Belt 1. Introduction Surface conditions...rocks of the 3.2 Ga Archean Moodies Group in the Barberton Greenstone Belt (BGB). The initial objective is...volcano-sedimentary sequences that comprises the Barberton Greenstone Belt (Fig. 1). The 10–15 km-thick Swaziland |  | | Journal (article/letter/editorial) | | Precambrian Graywackes from the Fig Tree Group, South Africa KENT C CONDIE, JOHN E MACKE and THOMAS O REIMER... University of Witwatersrand, Johannesburg, South Africa Petrology and Geochemistry of Early Precambrian...Fig Tree Group, South Africa ABSTRACT Graywackes of the Fig Tree Group in South Africa were derived from...principally of chert, volcanics, granitic-metamorphic rocks, and some ultramafics. Chert and quarts pseudomorphs...Ba) in graywackes of the lower Fig Tree Group (Sheba Formation) is interpreted in terms of an abundance |  | | Journal (article/letter/editorial) | | EXTENSION IN THE NEW CONSORT GOLD MINE, BARBERTON GREENSTONE BELT, SOUTH AFRICA M.R. MUNYAI School of Geosciences...University of the Witwatersrand, Private Bag 3, 2050, South Africa e-mail: mphoyanga@yahoo.com; guy.charlesworth@wits...University of the Witwatersrand, Private Bag 3, 2050, South Africa School of Earth and Environmental Science, James...2050, South Africa e-mail: guy.charlesworth@wits.ac.za © 2011 June Geological Society of South Africa...Africa ABSTRACT The area around New Consort Gold Mine (NCGM) was complexly deformed during at least five |  | | Journal (article/letter/editorial) | | Early Archaean spherule beds in the Barberton Mountain Land, South Africa: no evidence for impact origin Christian...of spherule-rich layers in the Barberton Mountain Land, South Africa, which were previously inferred...abundances of the siderophile elements in some Barberton samples and their enrichment in secondary minerals...Nickel-rich Cr-spinels, which are found in some of the Barberton spherule samples, have low Fe3+/Fe(total) ratios...evidence of shock metamorphism associated with the Barberton spherule layers, which is the commonly accepted |  | | Journal (article/letter/editorial) | | of sedimentary rocks from the Fig Tree Group, Barberton greenstone belt: Implications for tectonic, hydrothermal...the Witwatersrand, Private Bag 3, 2050 Wits, South Africa Received 15 December 2004; received in revised...old Fig Tree Group in the southern part of the Barberton greenstone belt consists of deep- to shallow-water...jaspilitic banded iron formation (BIF), and carbonaceous chert. The sequence is more than 1200 m thick and crops...rights reserved. Keywords: Archaean; Barberton greenstone belt; Chert; Provenance; Sediment geochemistry; |  | | Journal (article/letter/editorial) | | least four impact layers in the Barberton greenstone belt of southern Africa and one in the Pilbara greenstone...oxygen-free early Earth atmosphere. The Ir contents of Barberton impact layers are higher than more recent analogs...element may be associated with chrome spine1 in Barberton impact rocks based on the close correlation of...record in the Barberton greenstone belt plays a pivotal role in these discussions. THE BARBERTON GREENSTONE...GREENSTONE belt of southern Africa contains a remarkably long and well-preserved record of 300 million years |  | | Journal (issue) | | RELATING TO THE BARBERTON MOUNTAIN LAND AND SURROUNDING GRANITIC TERRANE, SOUTH AFRICA 2002-2019 Compiled...Private Bag 3, P.O. WITS 2050, Johannesburg, South Africa) ECONOMIC GEOLOGY RESEARCH INSTITUTE INFORMATION...RELATING TO THE BARBERTON MOUNTAIN LAND AND SURROUNDING GRANITIC TERRANE, SOUTH AFRICA 2002-2019 This...variety of aspects relating to the geology of the Barberton Greenstone Belt and surrounding granite-gneiss...granite-gneiss terrane in the eastern part of Mpumalanga Province, South Africa and the adjacent Kingdom of eSwatini |  | Drabon, Nadja, Galić, Aleksandra, Mason, Paul R.D., Lowe, Donald R. (2019) Provenance and tectonic implications of the 3.28–3.23 Ga Fig Tree Group, central Barberton greenstone belt, South Africa. Precambrian Research, 325. 1-19 doi:10.1016/j.precamres.2019.02.010 | Journal (article/letter/editorial) | | 23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa Nadja Drabon, Aleksandra Galić...23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa, Precambrian Research (2019), doi:...23 Ga Fig Tree Group, central Barberton Greenstone Belt, South Africa Nadja Drabon1*$OHNVDQGUD*DOLü2...initiation of orogenesis in the Barberton Greenstone Belt, South Africa. However, reconstruction of the...throughout the formation was derived by erosion of local uplifts of the underlying greenstone-belt sequence |  | | Journal (article/letter/editorial) | | the Archean Fig Tree Group of the Barberton Mountain Land, South Africa K. A. ERIKSSON Programs in Geosciences...Sediments in the Fig Tree Group, Barberton Mountain Land, South Africa, are interpreted in terms of existing...of suspended clays and chemical precipitation of chert followed the passing of individual turbidity currents...midfan. Overlying thick shale-banded iron formation-chert sequences, with abundant s o f t - s e d i m e n...Swaziland Supergroup (Fig. 1); it rests on a thick chert at the top of the predominantly volcanic Onverwacht |  | | Journal (article/letter/editorial) | | Constraints on deformation mechanisms of the Barberton Greenstone Belt from regional stratigraphic and...A B S T R A C T Keywords: Archaean Tectonics Barberton Greenstone Belt Partial convective overturn Moodies...deformation styles and mechanisms which affect the Barberton Greenstone Belt (BGB) con tributes to our ability... 1. Introduction The Barberton Greenstone Belt (BGB; Fig. 1) in southern Africa fea tures prominently...a modern-style platetectonic context. In the Barberton Granite-Greenstone Terrain (BGGT) surrounding |  | | Report (issue) | | Data Geologic evolution of the Barberton Greenstone Belt, South Africa I edited by Donald R. Lowe and...-9 J. Barberton Greenstone Belt (South Africa and Swaziland) 2. Greenstone belts--South Africa--Barberton...Africa--Barberton Region. 3. Geology-South Africa--Barberton Region. I. Lowe, Donald R., 1942ll. Byerly, Gary R....556.82'6- -dc21 CIP Cover: Rocks typical of the Barberton Greenstone Belt. (Background photo--pale green...current-depo ited volcaniclastic ash and dust, Msauli Chert member of the Mendon Formation. Similar layers of |  | | Journal (article/letter/editorial) | | of Early Archean spherule beds, Barberton Mountain Land, South Africa: evidence for origin by impact doubtful...Witwatersrand, P.O. Wits, Johannesburg 2050, South Africa Received November 17, 1992; revision accepted...Spherule layers in the ~ 3.4 Ga Barberton Greenstone Belt, South Africa, have been interpreted as being...underground exposures at the Princeton, Mr. Morgan and Sheba gold mines, as well as surface localities. The macrostructure...Geochemical analyses of alternating spherule, shale and chert layers show no correlation between the siderophile |  | | Journal (article/letter/editorial) | | andTraceElementsfromSulfides of Archcan Greenstone Belts in South Africa A Contribution to the Knowledgeof theOlde...found in the vein-typedepositof the Old Star Gold Mine in the Murchison:Range. The variableisotopicratios...edin pyrites from gold-sulfidedepositsin the Barberton Mountain Land supportthemetallogenetic concepts... over a distance of more than 2 and 3). The Barberton Mountain Land forms a rugged, wedge-shapedmountain... LEAD ISOTOPES AND TRACE ELEMENT,5', SOUTH 45 AFRICA 'FA[•I.i.:l. Previous Geochr(;noh•gi('al |  | | Journal (article/letter/editorial) | | iron-formationor Fe-rich ingthesetypeshavebeenproposed chert (e.g., Murchisonprovince,WesternAustralia; the syngeneticmodel... goldin bandediron-formation hosts Zimbabwe; Barberton; MorroVelho,Brazil).Thetwo earliersyngenetic mineralization...scale,the alternatingFe sulfide(_arsenopyrite)and chert-quartzlayersof the sulfidefaciesbandedironformationmimicthe...production. is that, despitetheir discordanceon the local scale, gressivefeatures; arestrata-bound ontheregionalscale(Ge5...oxide thedeposits muts and Theron, 1975), on the mine scale(Groves (or carbonate) on a mesoscopic or microscopic |  | | Journal (article/letter/editorial) | | of gold mineralisation in the Barberton Greenstone Belt, South Africa M.A.H. Altigani, R.K.W. Merkle...Pretoria, Private Bag X20, Hatfield, Pretoria 0028,South Africa a r t i c l e i n f o Article history: Received...2015 Available online 18 December 2015 Keywords: Barberton Gold Hydrothermal Halogen Mineralisation a b...associated sulphides at Sheba, Fairview, and New Consort gold mines in the Barberton Greenstone Belt (BGB)...Introduction The Barberton Greenstone Belt (BGB) of the Kaapvaal Craton, South Africa (Fig. 1), is one |
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