 | | 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) | | 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...rarely, Ky St fCrd. All rocks include oligoclase, quartz and commonly Fe-Mn garnet, with or without muscovite |  | | 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) | | 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) | | 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 |  | | 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 |  | | 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 |  | | 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 |  | | 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 (article/letter/editorial) | | Stellenbosch, Stellenbosch 7600, Republic of South Africa (Received September 27, 1989; revised and accepted...pre-date the Westerberg dyke-sheet intrusion. D 3 south-verging folds and thrusts are the oldest post-Matsap...Transvaal Basin sediments in Griqualand West, northern Cape Province are bordered by multiply folded orogenic...parts of the Ghaap Group (Table 1) from north to south across Griqualand West regardless of possible structural...Naute Shale F. (+100m) only in south-western (K) 11 Leterally grading south-wcstwm ds into shallow water |  | | 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 |  | 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 |  | | 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) | | lithostratigraphy of the Riverton Formation, South Africa D. Claassen Council for Geoscience, P.O. Box...Box 5347, Walmer, Port Elizabeth, 6001, South Africa e-mail: dkilian@geoscience.org.za or debclaassen@gmail...debclaassen@gmail.com © 2018 September Geolocial Society of South Africa Abstract The Riverton Formation occurs intermittently...Vaal, Riet and middle Orange Rivers in the Northern Cape Province. These alluvial terrace deposits represent...River, 25 km northeast of Kimberley in the Northern Cape Province. These and other similar sediments |  | | Journal (article/letter/editorial) | | LOUGHLINITE (Na-SEPIOLITE) IN PANS OF THE NORTHERN CAPE PROVINCE, SOUTH AFRICA T. ROELOFSE Die Witjassies cc.,...roelofsef@ufs.ac.za © 2011 June Geological Society of South Africa ABSTRACT The occurrence of loughlinite (Na-sepiolite)...(Na-sepiolite) in two pans (Koi Pan and Brak Pan) of the Northern Cape Province is reported upon. The presence of loughlinite...of loughlinite worldwide and the first from South Africa. Loughlinite occurs associated with the mineral... 2002), and ii) from the Etosha Pan region in Northern Namibia (Buch and Rose, 1996). The limited distribution |  | 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...the eastern part of the Namaqua Province in South Africa were reported by Middleton (1976), Geringer |  | | Journal (article/letter/editorial) | | Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa address: School of Earth...an external source, with fluid flow allowed by local dilation and increased permeability within the shear...(Sibson, 1980; Moecher and Steltenpohl, 2009) or local brittle structures formed through fluid-absent,...(a) Namibia Botswana Kaapvaal Craton b NMC South Africa (b) 16ºE Lüderitz 27ºS Aus KM he r Z...Sh ea rZ NAMIBIA Fr on t 100 km on e Gordonia Subprovince Grunau M RP S Eu re Oranjemund |  | | Report (issue) | | SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA MINERALOGY OF SOUTH AFRICA:... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria or........................... 69 5.1 Overview of South African Occurrences ..............................LAYEREDSUITE,BUSHVELDCOMPLEX.... 111 MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES |  | | 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) | | University of Johannesburg, Auckland Park, 2006, South Africa e-mail: hermansvn@uj.ac.za R. Armstrong Research...vasconcelos@uq.edu.au © 2020 Geological Society of South Africa. All rights reserved. Abstract During the Grenvillian...central parts of South Africa from where it is traceable into the Falkland Islands (south-western Atlantic...(2000) suggest that the Namaqua-Natal Orogeny of South Africa and Namibia reflects the convergence of the Laurentia...(the latter comprising the assembled Archaean SOUTH AFRICAN JOURNAL OF GEOLOGY 2020 doi:10.25131/ sajg |  | | Journal (article/letter/editorial) | | Beryllium minerals (euclase and phenaIcite) from Africa. By L. J. SPENCER, M.A., Sc.D., F.R.S. Keeper of...occurrences of b e r y l l i u m minerals in the whole of Africa. Phenakite is represented b y a single small crystal...Congo and Gold Coast; and gadolinite a in Gordonia in Cape Province. A single large crystal of euclase...Territory a n d small crystals of phenakite from South-West Africa are now to be described. Euclase is a rare... Phenacite and other minerals from German East Africa. Min. Mag., 1906, vol. 14, pp. 178-183. Min. Abstr |  | | 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...represent original bedding with compositional SOUTH AFRICAN JOURNAL OF GEOLOGY 2018 • VOLUME 121.4 PAGE...amphibolite to granulite facies from the western to south-western Namaqua Province, recognised primary sedimentary |  | | Journal (article/letter/editorial) | | of the Ventersdorp Supergroup near Douglas, Northern Cape Province. H. de Bruiyn Department of Geology...the Free State, Box 339, Bloemfontein 9300, South Africa Corresponding author: e-mail = dBruynH@sci.uovs...the Free State, Box 339, Bloemfontein 9300, South Africa H. T. Whitelaw Department of Geology, University...the Free State, Box 339, Bloemfontein 9300, South Africa Present address: 2/1 12 Ruskin Terrace, Glasgow...9300, South Africa ABSTRACT The Allanridge Formation of the Ventersdorp Supergroup in the Northern Cape |  | | Journal (article/letter/editorial) | | BUSHMANLAND, SOUTH AFRICA By JOHN W . WEITZ F7, Villa Capri, Mouille Point, Cape Town, So. Africa If you...bounded on the North by the Orange River and on the South by a line drawn from Loeriesfontein to Brandvlei...(Tillite and Shales) of the Karroo System, while the Northern region is composed of granite and gneiss including...Pre-Damara, Damara, Kheis, Kraaipan, etc. of the South African Primitive Systems. Bushmanland is so called...called because in the early days of the Cape Colony, this territory was a stronghold of the Bushmen. These |
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