 | 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) | | possible sulphide partial melting at Broken Hill, Aggeneys, South Africa I: Petrography R.H. 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: 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...za © 2005 Geological Society of South Africa ABSTRACT The Broken Hill-type Ph-Zn-Cu-Ag massive sulphide |  | | 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...member of the system Fe-S-O and sphalerite with sillimanite or garnet. Gahnite in sulphide-free garnet quartzites...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] |  | | Journal (article/letter/editorial) | | Invited Review Article A classification of Broken Hill-type deposits: A critical review Paul G. Spry...Adelaide, South Australia 5006, Australia A R T I C L E I N F O A B S T R A C T Keywords: Broken Hill Pb-Zn-Ag...Pb-Zn-Ag deposit Broken Hill-type deposits Classification Broken Hill Hill-type Pb-Zn-Ag (BHT) deposits...highest grade ore deposits in the world. The Broken Hill deposit, Australia, is the largest accumulation...because the type example of this class of deposit (Broken Hill) is not hosted in marble or calc-silicate rocks |  | | 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...stratiform peraluminous rocks, i.e. sillimanite-, sillimanite-corundum-, sillimanite-quartz-rocks, topazites and...Disseminated tourmalines from samples adjacent to the Aggeneys Zn-Pb-Cu deposit were also analysed for comparison |  | | 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 in western Namaqualand - mainly sillimanite rocks and sillimanite-corundumrocks - are intercalated into...rocks, i.e. sillimanite-quartz rocks, biotite-sillimanite gneisses, monomineralic sillimanite rocks and |  | 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...intimately associated with the polymetallic Broken Hill-type (BHT) massive sulfide deposits of the AggeneysGamsberg...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...compared with the occurrences in the Aggeneys area, i.e. Swartberg-Tank Hill and Big Syncline. The obvious differences |  | | 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) | | Mesoproterozoic Broken Hill-type Gamsberg Zn–Pb deposit, Namaqua Province, South Africa Received: 24 January...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:...elsewhere. Keywords Gamsberg Zn–Pb deposit Æ Broken Hill-type Æ Phosphorites Æ Apatite Æ Proterozoic ...of the occurrence of nodular apatite within Broken Hill-type sulfide mineralization. The aim of the present |  | | Journal (article/letter/editorial) | | University of the Witwatersrand, Johannesburg, South Africa e Department of Earth Sciences, Parks Road,...Anglo-American Mining Corporation, Aggeneys, Northern Cape, South Africa Received 19 January 2006; received...Namaqua-Natal Orogen evolved between about 2000 and 1000 Ma as part of an orogenic system that assembled the...and “wraps” the Archaean Kaapvaal Craton to the south and west. The Orogen includes the western ultra-hightemperature...high-level igneous, Richtersveld Terrane (1900–1700 Ma) and, to the east, by the amphibolite-facies granite |  | | 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 |  | | Journal (article/letter/editorial) | | Manganoan garnet rocks associated with the Broken Hill Pb–Zn–Ag orebody, Australia I. R. Plimer School...handling: J. G. Raith Summary The Palaeoproterozoic Broken Hill Pb–Zn–Ag stratiform orebody is intimately associated...considered an indicator to Broken Hilltype Pb–Zn–Ag ore deposits at Broken Hill, Australia (Richards, 1966;...2002), Gamsberg, South Africa (Rozendaal and Stumpfl, 1984) and Aggeneys, South Africa (Ryan et al., 1986)...garnet-bearing rocks (Spry et al., 2000). At Broken Hill, there have been major element (Jones, 1968; |  | | Report (issue) | | Powder Pattern: Broken Hill mine, near Aggeneys, northern Cape Province, South Africa. 2.651 (100), 2...26 3.18 2.43 100.01 (1) Broken Hill mine, northern Cape Province, South Africa; average electron microprobe...magnetite, spessartine-rich garnet, apatite, sillimanite, ferroan gahnite, Mn-rich grunerite, manganogrunerite...Distribution: At the Broken Hill mine, near Aggeneys, northern Cape Province, South Africa. Name: Prefix, ferro...of Geological Sciences, University of Cape Town, South Africa. References: (1) Guggenheim, S. and H.E |  | | Journal (article/letter/editorial) | | associated with the Broken Hill and Black Mountain Cu-Pb-Zn-Ag deposits, Aggeneys, South Africa. H6gbomite coexists...number of minerals including quartz, gahnite, sillimanite, sphalerite, pyrrhotine, pyrite, magnetite, and...h6gbomite, sulphidation-oxidation reactions, Aggeneys, South Africa, massive sulphides, exploration guide....Bushmanland Group, Namaqualand Metamorphic Complex, South Africa. The hornblendite sample occurs Mineralogical...at Aggeneys. In studies of gahnite associated with the Aggeneys base metal deposits (Broken Hill, Black |  | | 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 |  | Reid, D. L., Welke, H. J., Smith, C. B., Moore, J. M. (1997) Lead isotope patterns in Proterozoic stratiform mineralization in the Bushmanland Group, Namaqua Province, South Africa. Economic Geology, 92 (2) 248-258 doi:10.2113/gsecongeo.92.2.248 | Journal (article/letter/editorial) | | the Bushmanland Grou , 206de 2•4 20 œ04P of South Africa has ave uniform Pb isoto e corn osition with...63-36.71 (all2•rranges). Fourseparate orebodies (Broken Hill,BlackMountain, BigSyncline, andGamsberg) sh...metamordeveloped withinthe Namaqua province of southern Africa phismhaveseverely modified theoriginalstratiform...Rhodes University, Grahams- formations, town, South Africa. nentsbut whichshowa generalupwardincreasein...ISOTOPE PATTERNS,BUSHMANLAND GROUP, S. AFRICA YOUNGER Cape To•n BELTS AND COVER SEQUENCES NAMAQUA |  | | Journal (article/letter/editorial) | | SEDIMENTATION AND TERRANE AMALGAMATION IN SOUTHWESTERN AFRICA R. McG. MILLER Consulting Geologist, PO Box 11222...Society of South Africa ABSTRACT Mesoproterozoic crustal evolution of southwestern Africa involved a...collision in the Gordonia Subprovince. Thereafter, local intermittent magmatism and sedimentation continued...Pegmatites mark the final magmatic event at about 1000 Ma. The high-grade rocks of the Gordonia Subprovince...juxtaposed against low-grade terranes to the north and south during isostatic rebound on major, late-stage, dextral |  | | 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...supply guides to underlying Broken Hill type deposits in other parts of the Aggeneys terrane. The exposed portion |  | | 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) | | from the Broken Hill massivesulfide deposit in the NamaqualandMetamorphic Complex, South Africa H,c.nrwrcE...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...sulfide bodies in the Broken Hill deposit, Namaqualand Metamorphic Complex, South Africa. In those layers...microcharacteristics sulfide layers in the Broken Hill ore bodies near Aggeneys and X-ray diffraction. The ion chromatography |  | | Journal (article/letter/editorial) | | chloriticalteration pipe,anda quartz-perthite-sillimanite gneiss representing silicified and sericitizedsediments...high-grademetamorphic PrieskaZn-Cu depositand the Aggeneys-Gamsberg Namaquaprovince.Their size and compositionare...of the Korannaland Sequence (SACS, town 2107, South Africa. Introduction ** Presentaddress:Department...of Natal, King GeorgeV Avenue, Durban 4000, South Africa. 0361-0128/89/896/34-15$3.00 34 1980). ... theresults ofwhich PRIESKAZn-Cu DEPOSIT, SOUTH AFRICA TABLE1. 35 Cu-Pb-Zn-AgContentsof Someof the |  | | Journal (article/letter/editorial) | | associated with the Broken Hill-type Gamsberg Zn-Pb deposit, Namaqua Province, South Africa M. Stalder Department...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...Bedded barite forms a distinct component of four Broken Hill-type deposits in the amphibolite-facies metamorphosed...metamorphosed Bushmanland sequence of South Africa. In the Gamsberg Zn-Pb deposit, barite has been effectively |  | | 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 |  | Theart, H.F.J., Ghavami-Riabi, R., Mouri, H., Gräser, P. (2011) Applying the box plot to the recognition of footwall alteration zones related to VMS deposits in a high-grade metamorphic terrain, South Africa, a lithogeochemical exploration application. Geochemistry, 71 (2) 143-154 doi:10.1016/j.chemer.2010.09.002 | Journal (article/letter/editorial) | | deposits in a high-grade metamorphic terrain, South Africa, a lithogeochemical exploration application...SRK Consulting (South Africa) (Pty) (Ltd), PO Box 55291, Northlands 2116, South Africa Mining, Oil, and...Johannesburg, South Africa d Department of Geology, University of Pretoria, South Africa b a r t i c...orthopyroxenes and aluminium rich minerals such as sillimanite and corundum. This suggests that the unusual...Namaqua Province, South Africa, at Areachap, Kantienpan and the defunct Prieska Cu–Zn Mine are hosted by |  | | 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 |
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