 | | Journal (article/letter/editorial) | | schists from the Annex sulphide deposit, Gordonia Belt, South Africa H . C. HUMPHREYS' AND D. J . SCHEEPERS'...Department of Geology, University of Cape Town, 770 Rondebosch, South Africa 'Department of Geology, University...University of Stellenbosch, 760 Stellenbosch, South Africa ABSTRACT Muscovite-poor pelitic schists in the...Proterozoic Annex sulphide deposit, near Prieska, South Africa, contain peak metamorphic assemblages including...assemblages, assigned to M2 regional metamorphism in the Gordonia Belt (Namaqua Province), are syn- to post-kinematic |  | | 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...during O’okiepian collision in the Gordonia Subprovince. Thereafter, local intermittent magmatism and sedimentation...of the Gordonia Subprovince were juxtaposed against low-grade terranes to the north and south during...(Joubert, 1986; Colliston and Schoch, 1996, 2000) or Gordonia Subprovince (Hartnady et al., 1985). Joubert (1986) |  | | Journal (article/letter/editorial) | | Namaqua-Natal collisional orogenesis, southern Africa Mark D. Schmitz Department of Earth, Atmospheric...sbowring@mit.edu © 2004 Geological Society of South Africa ABSTRACT Single-grain U-Pb zircon and monazite...the Eastern Namaqualand and Northern Lesotho kimberlites of southern Africa. From these data, inferences...growth related to high-grade metamorphism of the Northern Lesotho granulites occurred at ~1.10, ~1.04 and...Namaqua front as a narrowing band of Mesoproterozoic Gordonia subprovince lithologies wedged between the Archean |  | | Journal (article/letter/editorial) | | evidence from deep borehole intersections in South Africa B.M. Eglington a,∗ , R.A. Armstrong b a Department...Namaqua–Natal Belt are exposed in the west and east of South Africa but the central section of the belt is obscured...supercontinent of Rodinia. Zircons from granite and biotite gneiss in two deep boreholes which penetrated the...Geochronology; South Africa 1. Introduction The Namaqua–Natal Belt is situated along the southern and south western...exposures in the west (Namaqua sector: Kheis, Gordonia and Bushmanland Sub-provinces) and east (Natal |  | | Journal (article/letter/editorial) | | METAMORPHIC COMPLEX, SOUTH AFRICA J.F.A. DIENER Department of Geological Sciences, University of Cape Town, Private...7701, South Africa. e-mail: johann.diener@uct.ac.za © 2014 June Geological Society of South Africa ABSTRACT...Mesoproterozoic Namaqua Metamorphic Complex (NMC) of southern Africa borders the southern and western edges of the Kalahari...reconstructions in e.g. Jacobs et al., 2008). In southern Africa, the western NMC is proposed to consist of a number...2003; McClung, 2006; Bailie et al., 2007a, b; SOUTH AFRICAN JOURNAL OF GEOLOGY, 2014, VOLUME 117.1 PAGE |  | | Journal (article/letter/editorial) | | ARMSTRONG 47 Age of Metavolcanic rocks at the northern margin of the Namaqua-Natal Metamorphic Province...anu.edu.au © 2007 March Geological Society of South Africa ABSTRACT Mapping in the Karas Mountains area...presence of a major lithotectonic boundary at the northern margin of the Namaqua-Natal Metamorphic Province...Province. The area is subdivided into the Northern Volcanic Zone largely comprising mafic, intermediate and...with dips and lineations plunging steeply to the south, within less-deformed metalavas and intrusions similar |  | | Report (issue) | | SOUTH WEST AFRICA DEPARTMENT OF Memoir No. MINES If THE GEOLOGY OF THE WARMBAD DISTRICT SOUTH...SOUTH WEST AFRICA An Explanation of Geological Sheets Amib (H-33-F), Umeis (H-34-A) and Nakop (H-34-B)...F. G. S., Geological Survey of the Union of South Africa and H. F. FROMMURZE, B. Sc., Geologist, • Geological...Geological Survey of the Union of South Africa. Published by authority of His Honour the Administrator...1936 LTD., W/.VDHOEK. The Secretary for South West Africa, Windhoek Sir, I have the honour to submit |  | Bailie, Russell, Gutzmer, Jens, Strauss, Harald, Stüeken, Eva, McClung, Craig (2010) Sulfur isotope characteristics of metamorphosed Zn–Cu volcanogenic massive sulfides in the Areachap Group, Northern Cape Province, South Africa. Mineralium Deposita, 45 (5) 481-496 doi:10.1007/s00126-010-0285-8 | Journal (article/letter/editorial) | | sulfides in the Areachap Group, Northern Cape Province, South Africa Russell Bailie & Jens Gutzmer &...schists of the Areachap Group, in the Northern Cape Province of South Africa. The Areachap Group represents...Bailie (*) University of the Western Cape, Cape Town, South Africa e-mail: rbailie@uwc.ac.za J. Gutzmer...McClung University of Johannesburg, Johannesburg, South Africa from that of associated sulfides. At one of...isotopes . Zn–Cu deposits . Areachap Group . South Africa . Sulfides . Barite Introduction The Areachap |  | 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...eastern part of the metamorphic Namaqua Province, South Africa, at Areachap, Kantienpan and the defunct Prieska...relative Mg content of pyroxene, cordierite and biotite are higher than further away from this zone. It |  | | 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) | | NAMAQUA PROVINCE EASTERN BOUNDARY, KENHARDT DISTRICT, SOUTH AFRICA H U W C. H U M P H R E Y S and JAN M. VAN...Geology, University of the Western Cape, Private Bag X17 BeUviUe (South Africa) (Received September 24, 1985;...Namaqua Province eastern boundary, Kenhardt district, South Africa. Precambrian Res., 36: 39-64. The junction...Tectonic Province (1.8-1.7 Ga) in the Northwest Cape, South Africa, is marked by a 50 km-widebelt of strike-slip...Kheis Subprovince (1.7 Ga) to the east. To the south, the work of Vajner (1974a) and Coward and Potgieter |  | | Journal (article/letter/editorial) | | for Geoscience, P.O Box 775, Upington 8800, South Africa e-mail: gmoen@lantic.net R.A. Armstrong Research...anu.edu.au © 2008 March Geological Society of South Africa ABSTRACT Mapping and stratigraphic analysis...signature. It is separated from the ~1.1 to 1.0 Ga old Gordonia Subprovince by the Trooilapspan shear zone, a...Introduction The Precambrian crustal architecture of South Africa is dominated by two distinct domains, the Kaapvaal...generally believed to be marked by the Southern Cape Conductive Belt (De Beer and Meyer, 1984; Du Plessis |  | | Journal (article/letter/editorial) | | 6140, South Africa The early Cambrian Kuboos-Bremen Igneous Province, of northwestern South Africa and...few that show this wide lithological range on a local scale. The rocks of both complexes are overwhelmingly...the Orange River. Alkali granite crops out to the south of the river. It apparently forms a continuation...270 km from the western Richtersveld region of South Africa to the Great Karas Mountains in southern Namibia...igneous rocks and gneisses of the Richtersveld and Gordonia Subprovinces of the Namaqua Metamorphic Province |  | | Journal (article/letter/editorial) | | 6140, South Africa The early Cambrian Kuboos-Bremen Igneous Province, of northwestern South Africa and...few that show this wide lithological range on a local scale. The rocks of both complexes are overwhelmingly...the Orange River. Alkali granite crops out to the south of the river. It apparently forms a continuation...270 km from the western Richtersveld region of South Africa to the Great Karas Mountains in southern Namibia...igneous rocks and gneisses of the Richtersveld and Gordonia Subprovinces of the Namaqua Metamorphic Province |  | | Journal (article/letter/editorial) | | Free State P.O. Box 339, Bloemfontein, 9301, South Africa e-mail: hlmmathee1@gmail.com; waynecolliston@ymail...waynecolliston@ymail.com © 2018 December Geological Society of South Africa Abstract The Koekoepkop Formation (KKP), near...The younging direction in the four units on the south-dipping limb is northwards, as deduced from interpreted...references therein). The grey gneisses are composed of biotite/hornblende-gneiss, amphibolite, calcsilicate rock...represent original bedding with compositional SOUTH AFRICAN JOURNAL OF GEOLOGY 2018 • VOLUME 121.4 PAGE |  | | Book (edition) | | OF CAPE COLONY THE SOUTH AFRICAN SCIENCE SERIES. EDMONDS' for (H.) ELEMENTARY BOTANY, South Africa...PLANTS AND THEIR WAYS IN SOUTH AFRICA. By BERTHA STONEMAN, Huguenot ton, South Africa. grams, and Map. With...College, Welling- Illustrations, 3s. Dia- 6d. SOUTH AFRICAN FLOWERING PLANTS : for the use of Beginners...AND CALCUTTA. AN INTRODUCTION TO THE GEOLOGY OF CAPE COLONY BY A. W. KOGEBS, D.Sc., F.G.S. AND L...TOIT, B.A., F.G.S. OF THE GEOLOGICAL SURVEY OF CAPE COLONY WITH A CHAPTER ON THE FOSSIL REPTILES OF |  | | Journal (issue) | | mineral localities: The Sapo mine, Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . ...Bonin Fluorite from Riemvasmaak, Northern Cape Province, South Africa . . . . . . . . . . . ...gather up rocks and stones from the desert or from local quarries and then slice and mineral specimens,...Arizona, the Tucson Gem and Mineral Society, and local mining companies (including especially Phelps Dodge...Mineral Localities: The Sapo Mine Ferruginha District, Conselheiro Pena Minas Gerais, Brazil Luiz Menezes |  | | Journal (article/letter/editorial) | | United mines, Tavistock: eornubite, 2 Ford mine, South Tawton: scheelite, 921 Meldon aplite quarry, Okehampton:...uraniferous asphaltite, 705 Scalby: kaolinite, 902 South Bay, Scarborough: scarbroite, hydroscarbroite, 353...Harris Bay Steinigie, South Harris: chondrodite, humite, 910 Chiapaval, South Harris: pegmatite with...betafite(?), 373 Lock a' Sgurr, Loch Langevat, South Harris: pegmatite with epidote, zircon, spessartine...Rodilpark, South Harris: pegmatite with zoisite and oligoclase, 376 Sletteval, Loch Langevat, South Harris: |  | | Journal (article/letter/editorial) | | between the Sinclair Sequence and Koras Group (South Africa) suggests that this active margin may, like...manifestations of tectonic activity in the adjacent NMC (Gordonia BeltmFig. 1 ) occur at -,, 1000 Ma and 145 ...=,'-,~IILI~ B = Botswana N -- N a m i b i a S = South SUBPROVINCE RICHTERSVELD SUBPROVINCE GARIEP Africo...30 ° Fig. 1. The tectonic framework of southern Africa (after Hartnady et al., 1985) illustrating the...:: Hauchab . # 43~ ...- o ~ , Mt"".. %), GORDONIA ...............:. ~i","'''.~~ / : ~ SUBPROVINCE |  | | Report (issue) | | metasedimentary age 2.2.1 De Rust pegmatites 2.2.2 Cape Cross - Uis pegmatite belt 2.2.2.1 Strathmore pegmatites...pegmatites 2.2.4.7 Pietershill pegmatites 2.2.4.8 Davib South 2.2.4.9 Brabant (van der Made, Erongo Schlucht)...of the Damaraland Alkaline Province in central-northern Namibia (van Zjil, 1962; Verwoerd, 1967; Prins...some 30 km south of Warmbad, whereas the Sandfontein-Ramansdrift pegrnatites are located south of the Tantalite...the Kenhardt and Gordonia pegmatite districts in Namaqualand (Republic of South Africa), which hav'7 been |  | | Journal (article/letter/editorial) | | C.B. Borwood 8f A. Wade—The Old Granites of Africa. 543 Museum. The specimen was along with a number...E OLD GRANITES OP THE TRANSVAAL AND OP SOUTH AND CENTRAL AFRICA, by CUTHBERT BARING HORWOOD, A.R.S.M....in the Dwarsberg on the Magalakwin River in the Northern Transvaal) appear interbedded in the gneisses... Also vide " Some Notes on the Geology of the Northern Transvaal", by Geo. G. Holmes (Trans. Geol. Soc...C. B. Hot-wood Sf A. Wade—T/te Old Granites of Africa. schistose rocks were laid down on an old fundamental |  | Duchesne, Jean-Clair, Auwera, Jacqueline Vander, Liégeois, Jean-Paul, Barton, Erika S., Clifford, Tom N. (2007) Geochemical constraints of the petrogenesis of the O’okiep Koperberg Suite and granitic plutons in Namaqualand, South Africa: A crustal source in Namaquan (Grenville) times. Precambrian Research, 153 (1) 116-142 doi:10.1016/j.precamres.2006.11.005 | Journal (article/letter/editorial) | | Koperberg Suite and granitic plutons in Namaqualand, South Africa: A crustal source in Namaquan (Grenville) times... Université de Liège, Sart Tilman, Belgium b Africa Museum, Section de Géologie Isotopique, Tervuren...Johannesburg, South Africa d School of Geosciences, University of the Witwatersrand, Johannesburg, South Africa...Orogeny (late Mesoproterozoic) in the O’okiep District is characterized by two tectono-magmatic episodes:...The O’okiep intrusive rocks of Namaqualand, South Africa, include the Koperberg Suite and a number of |  | | Journal (article/letter/editorial) | | Barrow,George,On an intrusionof muscovite-biotite the South-EasternHighlands of Scotland: Quart. Jour...Inrr.aNr. Localities: Carlingford-Mourne Mts. district of Louth and Down counties, and vicinity of Killiney...contaminated igneous rocks of the Carlingford district, Co. Louth: Geol.Mog., vol.69 (815), pp.209-233...Arendal, and lveland) and the northern coast from Trondhjem to North Cape. Types of pegmatite: Granite...boundary south to Goteberg, including the localities of Nohl, Trollhettan, and Bohusliin; the south of Sweden;the |  | | Journal (article/letter/editorial) | | ISSUE, 253-270 (1987) Mineralized pegmatites in Africa 0. won Knorring and E. Condliffe Department of...widespread o n the African continent. especially south ol the equator. along the Kibaran orogenic belt...o prominent within the Mozambique belt in East Africa. Mozambique and Madagascar and within the Damara...s o recovered. Furthermore. w m c pcgmatites in Africa constitute the main source o f attractivc gcmstoncs...Xcnotinic Columbite-tantalite Equatorial central and south Africa Beryl Cassiterite 1. Introduction Although |  | Diener, Johann F.A., White, Richard W., Link, Klemens, Dreyer, Tanya S., Moodley, Adam (2013) Clockwise, low- metamorphism of the Aus granulite terrain, southern Namibia, during the Mesoproterozoic Namaqua Orogeny. Precambrian Research, 224. 629-652 doi:10.1016/j.precamres.2012.11.009 | Journal (article/letter/editorial) | | Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa Earth System Science Research...Mesoproterozoic Namaqua Metamorphic Complex (NMC) of southern Africa. The terrain consists of pre- to syn-tectonic granitoid...Pseudosection modelling of garnet–sillimanite–cordierite–biotite aluminous metapelitic samples constrain peak metamorphic...tectonic collapse (Gapais et al., 2009). Southern Africa has three exceptional examples of hot orogenies...conditions for anatectic garnet–cordierite–sillimanite–biotite–K-feldspar–quartz metapelitic gneisses at 5–8 kbar |
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