 | Bailie, R., Armstrong, R., Reid, D. (2007) The Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism. South African Journal of Geology, 110 (1) 59-86 doi:10.2113/gssajg.110.1.59 | Journal (article/letter/editorial) | | Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa Present address: Paleoproterozoic...O. Box 524, Auckland Park, Johannesburg, 2006. South Atrica e-mail: russellb®postgrad.uj.ac.za Richard...Sciences, University of Cape Town. Private Bag. Rondebosch, 7700, South Africa e-mail: dlr@geology.uct...uct.ac.z;i e 2007 March Geolt^cal Society of South Africa ABSTRACT The cenini] portion of the structurally |  | | Journal (article/letter/editorial) | | THE MESOPROTEROZOIC AGGENEYS TERRANE, WESTERN NAMAQUA MOBILE BELT, SOUTH AFRICA W.P. COLLISTON Department...University of the Free State, Bloemfontein, South Africa e-mail: waynecolliston@ymail.com A.E. SCHOCH...University of the Free State, Bloemfontein, South Africa e-mail: aesc@iafrica.com H.E. PRAEKELT Department...Bloemfontein, South Africa e-mail: praekelthe@ufs.ac.za © 2012 December Geological Society of South Africa ABSTRACT...ABSTRACT The stratigraphy of the Aggeneys Terrane is discussed, one of at least eleven tectono-stratigraphic |  | | Journal (article/letter/editorial) | | and metamorphic ages of the Aggeneys Granite Suite, Bushmanland, South Africa Russell Bailie Department...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa Present address: Paleoproterozoic...Box 524, Auckland Park, Johannesburg, 2006, South Africa e-mail: russellb@postgrad.uj.ac.za Richard...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa e-mail: dlr@geology.uct...of South Africa ABSTRACT The central Bushmanland portion of the Namaqua Province of South Africa is |  | McClung, Craig R., Gutzmer, Jens, Beukes, Nicolas J., Mezger, Klaus, Strauss, Harald, Gertloff, Ellen (2007) Geochemistry of bedded barite of the Mesoproterozoic Aggeneys-Gamsberg Broken Hill-type district, South Africa. Mineralium Deposita, 42 (5) 537-549 doi:10.1007/s00126-007-0128-4 | Journal (article/letter/editorial) | | of the Mesoproterozoic Aggeneys-Gamsberg Broken Hill-type district, South Africa Craig R. McClung & Jens...AggeneysGamsberg Pb–Zn–Cu ± Ag–Ba district in the Northern Cape Province, South Africa. Barite samples were collected...collected and studied from four localities in the district. Although metamorphic water–rock interaction processes...Gamsberg deposit compared with the occurrences in the Aggeneys area, i.e. Swartberg-Tank Hill and Big Syncline...Bapoor nature of the sulfide mineralization of the Aggeneys deposits vs the Cu-poor, Ba-rich character of |  | | Journal (article/letter/editorial) | | METAMORPHISM OF THE AGGENEYS TERRANE, NAMAQUA METAMORPHIC COMPLEX, SOUTH AFRICA J.F.A. DIENER Department...Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa. e-mail: johann.diener@uct...2014 June Geological Society of South Africa ABSTRACT The Aggeneys terrane is a central part of the...path. Whereas the absolute P-T conditions for the Aggeneys terrane are lower than that of the granulite terranes...similar P-T paths. However, peak metamorphism in the Aggeneys terrane is inferred to have occurred during the |  | | Journal (article/letter/editorial) | | spinel associated with the Aggeneys Cu-Pb-Zn-Ag deposits, Namaqualand, South Africa P. G. Spry Department...pegmatites associated with the Aggeneys base metal deposits, Namaqualand, South Africa. Zincian spinel in, sulphidebearing...Zn-rich spinels represent guides to ore in the Aggeneys area and elsewhere in the Namaqualand Metamorphic...Fe-rich spinels occur within metres of sulphides at Aggeneys. Zincian spinel, or gahnite, [(Zn, Fe,Mg)A1204]...gahnite-bearing sulphide-free assemblages. On the local scale, Bernier et al. (1984) utilized the Z n O |  | | Journal (article/letter/editorial) | | Hill-type Gamsberg Zn-Pb deposit, Namaqua Province, South Africa M. Stalder Department of Geology, University...Stellenbosch, Private Bag X1, Matieland 7602, South Africa email: mstalder@freesurf.ch A. Rozendaal Department...7602, South Africa Corresponding author: ar@sun.ac.za © 2005 Geological Society of South Africa ABSTRACT...amphibolite-facies metamorphosed Bushmanland sequence of South Africa. In the Gamsberg Zn-Pb deposit, barite has been...concentrations of Ba within the wall rocks of the Aggeneys-Gamsberg deposits indicate that hydrothermal discharge |  | | Journal (article/letter/editorial) | | metamorphic suite of the Central Namaqua Mobile Belt (South Africa) A.P. Willner Institut ffir Mineralogie, Ruhr-Universit/it...Central Bushmanland area of the Northern Cape Province (South Africa). These are part of the same supracrustal...supracrustal sequence as the large base metal deposits of Aggeneys and Gamsberg, however, in a different stratigraphic...Disseminated tourmalines from samples adjacent to the Aggeneys Zn-Pb-Cu deposit were also analysed for comparison...Lower Bushmanland Group. A Nd-Sm isochron age of 1649 Ma for amphibolites in the Koeris Formation is interpreted |  | | Journal (article/letter/editorial) | | mid-Proterozoic Volcano-Sedimentary sequence in the Aggeneys Hills Duplex, Namaqua Metamorphic Complex W. P...colliswp@sci.uovs.ac.za © 2003 Geological Society of South Africa ABSTRACT The western part of the Mid-Proterozoic...tectonostratigraphic terranes, including the Aggeneys terrane. In the centre of the Aggeneys terrane occurs a duplex of...of five fold nappes, represented by the Aggeneys Hills. One of these, the Quarry fold nappe, contains sections...Broken Hill type deposits in other parts of the Aggeneys terrane. The exposed portion of the Koeris Formation |  | | Journal (article/letter/editorial) | | Swartberg Base Metal Deposit, Aggeneys-Gamsberg Ore District, South Africa Tarryn Kim Cawood†,* and Abraham...Private Bag X01, Matieland 7600, Republic of South Africa Abstract The polymetamorphosed Swartberg Cu-Pb-Zn-Ag...deposit in the Namaqua Metamorphic Province of South Africa is a major metal producer in the region, yet...mining town of Aggeneys, in the Bushmanland region of South Africa (Fig. 1). Despite the local importance...one of the primary base metal producers of the district and the site of active resource extension and |  | | Journal (article/letter/editorial) | | mobile belt along the Orange (Gariep) River, South Africa W.P. Colliston and A.E. Schoch Department of...the Free State, PO Box 339, Bloemfontein 9300, South Africa e-mail: colliswp.sci@mail.uovs.co.za; aesc@iafrica...aesc@iafrica.com © 2006 September Geological Society of South Africa ABSRACT Two periods of deformation have been...2819D-Dabenoris 2819COnseepkans, Geological Survey of South Africa, 1972, based on mapping done from 1941 to 1943;...correlation. Subsequent detailed mapping at scales SOUTH AFRICAN JOURNAL OF GEOLOGY, 2006, VOLUME 109 PAGE |  | | Journal (article/letter/editorial) | | sulphide partial melting at Broken Hill, Aggeneys, South Africa I: Petrography R.H. Bailie Department pf...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, South Africa, Present address: Paleoproterozoic...Box 524, Auckland Park, Johannesburg, 2006, South Africa, e-mail: glgy13@na.rau.ac.za or geo_russ@hotmail...Sciences, University of Cape Town, Private Bag, Rondebosch, 7700, Cape Town, South Africa e-mail: dlr@geology...dlr@geology.uct.ac.za © 2005 Geological Society of South Africa ABSTRACT The Broken Hill-type Ph-Zn-Cu-Ag massive |  | Reid, David L, Welke, H.J, Erlank, A.J, Betton, P.J (1987) Composition, age and tectonic setting of amphibolites in the central Bushmanland Group, Western Namaqua Province, southern Africa. Precambrian Research, 36 (2) 99-126 doi:10.1016/0301-9268(87)90084-2 | Journal (article/letter/editorial) | | BUSHMANLAND GROUP, WESTERN NAMAQUA PROVINCE, SOUTHERN AFRICA D A V I D L. R E I D 1, H . J . W E L K E 2, A...of Geochemistry, University of Cape Town, Rondebosch 7700 (South Africa) 2Bernard Price Institute of Geophysics...2000 (South Africa) 3Departrnent of Geology, University of Cape Town, Rondebosch 7700 (South Africa) (Received...southern Africa. Precambrian Res., 36: 99-126. The Western Namaqua Province (WNP) of southern Africa is composed...stratiform base metal deposits (e.g., Gamsberg and Aggeneys). The BG contains amphibolites which represent |  | Mielke, C., Muedi, T., Papenfuss, A., Boesche, N.K., Rogass, C., Gauert, C.D.K., Altenberger, U., de Wit, M.J. (2016) Multi- and hyperspectral spaceborne remote sensing of the Aggeneys base metal sulphide mineral deposit sites in the Lower Orange River region, South Africa. South African Journal of Geology, 119 (1) 63-76 doi:10.2113/gssajg.119.1.63 | Journal (article/letter/editorial) | | of the Aggeneys base metal sulphide mineral deposit sites in the Lower Orange River region, South Africa...Metropolitan University, Summerstrand, Port Elizabeth, South Africa e-mail: ttmuedi@gmail.com A. Papenfuss and N...Free State, Geology Department, Bloemfontein, South Africa, e-mail: gauertcdk@ufs.ac.za U. Altenberger...Elizabeth, South Africa e-mail: Maarten.deWit@nmmu.ac.za © 2016 March Geological Society of South Africa Abstract...Program. The Aggeneys Cu-Pb-Zn deposit, situated in the arid north western part of South Africa, represents |  | | Journal (article/letter/editorial) | | S O U T H AFRICA: FIRST CORRELATION OF STRUCTURALLY SEPARATED METASEDIMENTS OF THE AGGENEYS SUBGROUP ...Orange Free State, Bloemfontein 9300 (Repubhc of South Africa) (Received December 16, 1982; revision accepted...Bushmanland, South Africa first correlation of structurally separated metasediments of the Aggeneys Subgroup...important Aggeneys Subgroup, which hosts stratabound massive sulphide deposits at Aggeneys and Gamsherg...either be in th~ time range 1200--1500 Ma (Koeppel, 1978) or near 2000 Ma (Blignault et al., 1983). Structural |  | | Journal (article/letter/editorial) | | rocks from the Namaqualand Metamorphic Complex (South Africa)" Geochemical evidence for an exhalation-related...2Department of Geology, University of Cape Town, 7700 Rondebosch (South Africa) (Received October 5, 1988; accepted...rocks from the Namaqualand Metamorphic Complex (South Africa): Geochemical evidence for an exhalation-related...rocks and sillimanite-corundum rocks in the northern Cape Province (Fig. 1 ). They occur as scattered...Sequence in the Namaqualand Metamorphic Complex (1600 Ma; Reid et al., 1987). The supracrustal Bushmanland |  | | Journal (article/letter/editorial) | | -x ARTICLE The O’okiep Copper District, Namaqualand, South Africa: a review of the geology with emphasis...Abstract The O’okiep Copper District is the oldest formal mining area in South Africa. Between 1852 and 2002...first primitive crust 1,700–2,000 Ma ago to early Cambrian times ~500 Ma ago, with particular emphasis on...Orogeny, notably: the O’okiepian Episode (1,180–1,210 Ma ago) of alpine-type folding, regional granite plutonism...metamorphism and the Klondikean Episode (1,020– 1,040 Ma ago) of open and tight folding and the intrusion |  | | Journal (article/letter/editorial) | | the Gariep Belt and its basement, Namibia and South Africa H.E. Frimmel a,*, W. Frank b a Department of...Geological Sciences, University of Cape Town, Rondebosch 7700, South Africa b Institut für Geologie, Universität...Within the Pan-African Gariep Belt in southwestern Africa a para-autochthonous, predominantly sedimentary...basement cooled through ~300°C at 1006 Ma. Rifting between 781 and 741 Ma was followed by the formation of...cooled through 500°C sometime between 630 and 600 Ma. After inversion from extension to compression, some |  | | Journal (article/letter/editorial) | | Hill-type Gamsberg Zn–Pb deposit, Namaqua Province, South Africa Received: 24 January 2003 / Accepted: 29 September...the Gamsberg deposit in central Bushmanland, South Africa. Their shape, zonal features, and geochemistry...Stellenbosch, Private Bag X1, 7602 Matieland, South Africa E-mail: ar@sun.ac.za Tel.: +27-21-8083122 Fax:...are located in the central Namaqua Province of South Africa (Fig. 1). Three similar deposits are Fig. 1...Province and outcrops of the Bushmanland Group in the Aggeneys–Gamsberg area. The location of the four major |  | | Journal (article/letter/editorial) | | Associates Pty Ltd, PO Box 740, North Adelaide, South Australia 5006, Australia A R T I C L E I N F O...deposits. In addition, the Menninnie PbZn deposit, South Australia, is not a BHT deposit since mineralization...(Broken Hill (Australia), Zinkgruvan, Menninnie Dam (South Australia; Beeson, 1990b), Balmat (New York), and...(Dammberget (Sweden), Boquira (Brazil), Aggeneys (South Africa), and Gamsberg). Although not being assigned...massive sulfides de posits in the Arunta Complex (Northern Territory, Australia) and the Georgetown Block |  | | Journal (article/letter/editorial) | | SCHOCH 301 The structural development of the Aggeneys Hills, Namaqua Metamorphic Complex W.P. Colliston...e-mail: colliswp@sci.uovs.ac.za ABSTRACT The Aggeneys terrane is composed of gneisses, supracrustal...complex that was amalgamated during the 1.1 to 1.2 Ma Namaqua Orogeny. Preserved stratigraphic sequences...prevalent in the latter than in the former. The Aggeneys Hills is situated in a regional high strain zone...indicate that the stratigraphic packages in the Aggeneys Hills were tectonically emplaced as fold nappes |  | | Journal (article/letter/editorial) | | deposit in the NamaqualandMetamorphic Complex, South Africa H,c.nrwrcE. Fnr*rnror.,DnNNtsHorrnu,uN, RoN...Geological Sciences,University of Cape Town, Rondebosch7700, South Africa JoHN M. Moonn Department of Geology...Geology, Rhodes University, Grahamstovvn6140, South Africa AssrRAcr Micas with variable Ba content in...Complex, South Africa. In those layers that contain neither potassium feldspar nor muscovite, a green...20 "C, P : 4.5 t I .0 kbar) at a pH below the muscovite * potassium feldspar buffer, /o, buffered by quartz |  | | Journal (article/letter/editorial) | | Margin of the Namaqua Metamorphic Province, South Africa Cyrille Stephane Tsakou Sonwa * , Jan van Bever...University of the Western Cape, Private Bag X17, Bellville, Cape Town 7535, South Africa; jvanbeverdonker@uwc...Margin of the Namaqua Metamorphic Province, South Africa. Minerals 2021, 11, 759. https://doi.org/10...the east. This structure, together with the more local Neusberg Thrust Fault, forms part of an intensely...Namaqua-Natal Metamorphic Province of southern Africa is part of the global Grenvillian age orogenic |  | | Journal (article/letter/editorial) | | University of the Free State, Bloemfontein, South Africa waynecolliston@ymail.com *Corresponding author:...aesc@iafrica.com b Council for Geoscience, Pretoria, South Africa, jcole@geoscience.org.za Key-words: Namaqua-Natal...below. Mesoproterozoic fold and thrust belts in Africa have traditionally been referred to as Kibaran...recently been demonstrated to cluster about 1375 Ma (Tack, 2002, 2011). This is somewhat older than the...rocks of the Matsap Subgroup, Volop Group in the south and Brulpan Group in the north (Moen, 2006; Cornell |  | | Journal (article/letter/editorial) | | Department, University of Cape Town, Private Bag, Rondebosch 7700, South Africa Abstract Quartz-gahnite-sillimanite...Kraaifontein, 45 km south-west of Springbok in the Namaqualand Metamorphic Complex, South Africa. The assemblage...reaction in the granulite facies zone during the 1100 Ma Namaqua event, possibly as the result of desulphidation...during an early Pan-African metamorphic event at 700 Ma. Zincian staurolite formed as overgrowths on gahnite...generally defined by the reaction: staurolite + muscovite + quartz --, biotite + A12SiO5 + H20(_+ garnet |
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