 | | Journal (article/letter/editorial) | | the suspended load of the upper Orange River, South Africa John S. Compton and Livhuwani Maake Department...Geological Sciences University of Cape Town, Rondebosch 7700, South Africa e-mail: john.compton@uct.ac.za;...co.za © 2007 September Geological Society of South Africa ABSTRACT The Orange River is one of the World’s...sediment each year to the western margin of South Africa. Much of this sediment is believed to be from...environmental threat to sustainability in southern Africa. This study focuses on the upper reaches of the |  | HANSON, E.K., MOORE, J.M., BORDY, E.M., MARSH, J.S., HOWARTH, G., ROBEY, J.V.A. (2009) CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE DIATREMES. South African Journal of Geology, 112 (2) 125-140 doi:10.2113/gssajg.112.2.125 | Journal (article/letter/editorial) | | A. ROBEY 125 CRETACEOUS EROSION IN CENTRAL SOUTH AFRICA: EVIDENCE FROM UPPER-CRUSTAL XENOLITHS IN KIMBERLITE...Rhodes University, P.O. Box 94, Grahamstown, South Africa email: emilykhanson@gmail.com; j.moore@ru.ac...Kimberley, South Africa email: jock.robey@debeersgroup.com © 2009 June Geological Society of South Africa ABSTRACT...fourteen Group I kimberlite diatremes in central South Africa were examined for upper crustal xenoliths in...eruption (~85 Ma), they were restricted to the south-eastern half of the study area. At the latter time, |  | | Journal (article/letter/editorial) | | Building Research Institute, Pretoria, Union of South Africa. [Taken as read 5 November 1959.] Summary.... Dickite from a new occurrence at Barkly East, Cape Province, is described and compared with a previously...Postmashurg and a dickite from Ouray, Colorado. The Barkly East dickite crystals are elongated in the direction...only dickite occurrences so far reported in South Africa are those in the Witwatersrand system (Whiteside...is also made of a dickite from the Middelburg district, Transvaal, b u t oMy refractive indices are given |  | | Journal (article/letter/editorial) | | Associated Minerals from the Butha-Buthe District LESOTHO, SOUTHERN AFRICA T All specimens featured here were...in southern Africa, landlocked and surrounded on all sides by the Republic of South Africa. The entire...Johannesburg PO Box 524, Auckland Park 2006 Gauteng, South Africa brucec@uj.ac.za HERMAN du PLESSIS 10 Howick...Webb Street, Farramere Benoni 1501 Gauteng, South Africa hermanusduplessis@yahoo.com Figure 1. A typical...on drusy, botryoidal quartz, 4 cm, Butha-Buthe district, Lesotho. Bruce Cairncross specimen and photo |  | de Wit, M.J., Linol, B., Furnes, H., Muedi, T., Valashiya, K. (2020) Pillow Talk: Volcanic rocks of the Karoo that formed many leagues under the Gondwanan Sea. South African Journal of Geology, 123 (3). 297-330 doi:10.25131/sajg.123.0021 | Journal (article/letter/editorial) | | Gondwanan Sea M.J. de Wit and B. Linol AEON-ESSRI (Africa Earth Observatory Network - Earth Stewardship Science...Research Institute), Nelson Mandela University, South Africa e-mail: bastien.aeon@gmail.com; Bastien.Linol@mandela...University, South Africa e-mail: ttmuedi@gmail.com; khayav218@gmail.com © 2020 Geological Society of South Africa...Karoo volcanic sequences across Lesotho and South Africa. Vesicularity (content and size) and geochemistry...spreading domains, such as at the open-end of the East African rift across the Afar. By 183 Ma, Karoo volcanics |  | | Journal (article/letter/editorial) | | carminite, EUROPE Iceland (fsland) Bondolfur, East Iceland: beudantite, 431 Pengenna (Trewethen) mine...oligoclase, 587 Sellatur, East Iceland: pitchs~one, anor- thoclase, 587 Skruthur, East Iceland: pitchstonc...pitchstonc, anorthoclase, 587 Thingmuli, East Iceland: andesine, 587 F a r o e s (F~eroerne) Erionite, chabazite...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 |  | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...Ltd.) Struik House Oswald Pirow Street Foreshore, Cape Town 8001 First edition 1976 Second edition 1983...©E.K. Macintosh Cover design by Neville Poulter, Cape Town Lithographic reproduction by Tien Wah Press...Ltd, Singapore Photoset by McManus Bros (Pty) Ltd, Cape Town Printed and bound by Interpak, Pietermaritzburg |  | | 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) | | APRIL 1949 KARROO DOLERITES OF THE UNION OF SOUTH AFRICA BY FREDERICK WALKER AND ARIE POLDERVAART CONTENTS...Karroo dolerites 685 Outlying areas in Southern Africa 687 Trias-Lias vulcanicity in Gondwanaland 687...System in the Union of South Africa 597 2. Distribution of Karroo System in Africa 600 3. Map and section...Distribution of analyzed dolerites in the Union of South Africa 648 26. Chemical variation of Karroo dolerites...during Trias-Lias times 688 42. Relationship of Africa and Antarctica at the close of the Karroo period |  | | Journal (article/letter/editorial) | | General Account of Karoo Vulcanicity in Southern Africa By J. w . BaisTow, New Mexico, and E. P. SAGGERSON...three main areas of southern Africa, in Namibia, in central South Africa, Transkei and Lesotho and in...southeastern areas of the sub-continent including South Africa, Swaziland, Mozambique and Zimbabwe. A history...of Geology, University of Natal, Durban 4001, South Africa. 65 GeologischeRundschau, 72, 3, 1015--1060...composition whereas those from the western and eastern marginal areas include basic, and felsic types |  | | Journal (article/letter/editorial) | | Union of South Africa : it is bounded on the west by the Orange Free State and Natal, on the east by Natal...Natal and East Griqualand, and on the south by the Cape Province. It comprises an area of 11,716 square...highest mountain in Basutoland and in the Union of South Africa, has an altitude of 10,763 feet. The topography...Caledon and Orange rivers, which flow to the south-west. To the east of the Caledon River (which forms the western...Drakensberg Mountains form a south-eastern, eastern, and north-eastern boundary range to the territory |  | | Book | | Maarten J. de Wit Editors Origin and Evolution of the Cape Mountains and Karoo Basin Regional Geology Reviews...Arthur Fuller with his field equipment exploring the Cape-Karoo on his motorcycle in 1960. Today young geo-scientists...attracted by such basic fieldwork (and freedom), yet the Cape Mountains and Karoo hinterland is a unique natural... de Wit • Editors Origin and Evolution of the Cape Mountains and Karoo Basin 123 Editors Bastien...Mandela Metropolitan University Port Elizabeth South Africa ISSN 2364-6438 Regional Geology Reviews ISBN |  | | Book (volume) | | British Columbia California Colorado Connecticut District of Columbia Delaware Department Florida Georgia...Wis. Wyo. Yukon 3 New Mexico Nova Scotia New South Wales Northern Territory Northwest Territories New...Pennsylvania Queensland Rhode Island South Australia South Carolina South Dakota Saskatchewan Tasmania Tennessee...(Wales) Aberdeen (Scotland) Aberdeen (South Africa : District) Aberdeen Angus cattle Aberdeenshire (Scotland)...Abitibi (Quebec : Regional T2--714 134 County Municipality) Abitibi, Lake (Ont. and T2--713 142 Quebec) |  | | Book (volume) | | Socialist Republic N.T. N.Y. Neb. Nev. Scotia South Wales Northern Territory Northwest Territories ...Socialist Republic South Australia Ind. Indiana S.C. South Carolina Kan. S.D. South Dakota Ky. Kansas...Australia British Mich. N.J. N.M. Columbia District of Columbia New Hampshire New Jersey New Mexico...(Scotland) Aberdeen (South Africa T2- -429 27 T2- -412 35 : T2- -687 15 District) Aberdeen Angus cattle...Abiogenesis Abitibi (Quebec Regional County Municipality) T2- -666 8 371.254 153.93 371.26 658.311 25 |  | | Report (issue) | | fissures(Chief Joseph dike swarm) which crossed the eastern end of the Washington-Oregon border (Figure 1)...he tholeiitic 3 plume-related CRBG magmatism south of the Columbia Plateau suggeststhat the model of...(Figure 3). At the southend of the Pueblo Mountains, south of SteensMountain, the base of the SteensBasalt...cratonic lithosphereto north and east and accretedterranesto the south and west; SD-Sevin Devils Mts; LF=Limekiln...the oldest Grande Ronde flows are present as far south as Farewell Bend and Malheur Gorge (Oregon) (Figure3) |  | | Journal (article/letter/editorial) | | from Sheffield Beach, KwaZulu-Natal North Coast, South Africa. L. Hoyer and M.K. Watkeys Geological Sciences...Westville Campus, Private Bag X54001 Durban 4000, South Africa e-mail: lauren_hoyer@hotmail.com ; watkeys@ukzn...ac.za © 2016 December Geological Society of South Africa Abstract The breccia documented here is the...Province (KIP) along the KwaZulu-Natal North Coast, South Africa. Recognising these breccias can assist in indicating...Beach along the North Coast of KwaZulu-Natal, South Africa (Figure 1a). Breccias have been previously described |  | | Book (volume) | | rise and development of the diamond mines of South Africa, from an historical, economic and technical...along the Vaal River only in the near vicinity of Barkly West. The book also stands as a record of the methods...collect during my many visits to all parts of South Africa where kimberlite deposits occurred and the filing...was necessary to file * "The Diamond Mines of South Africa," by Gardner F. Williams. V . Vl l I I...my attention from the time of my arrival in South Africa was the accidental and cognate inclusions found |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Journal (issue) | | NUMBER 1 OFFICIAL ORGAN OF THE FEDERATION OF SOUTH AFRICAGEMAND MINERALOGICALSOCIETIES VARDLEV'SGEM...Ring of R6S t_ap Unit 1nvar1cdto expose gato The South African Lapidary Magazine S.A S.A LAPIDA·RY LAPIDERE...31701 BRAAMFONTEIN 1 MAGAZINE TYDSKRIF 2017 SOUTH AFRICA Honorary Editor: J. BRASG Hon. Assistant Editor..._Diego. See Page 6. Published by the Federation of South African Gem and Mineralogical Societies. Submission...preferably be no smaller than postcard size. The South African LapidanJ Magazine 2 Published four times |  | | Book | | Beers o Geool E ff the Sot “Fe lhvoll exploring South Africa's hidden treasures Nick Norman varied rock...Solan Road, Gardens, Cape Town, 8001 PO Box 1144, Cape Town, 8000 South Africa Visit www.randomstruik...indexer: Emsie du Plessis Reproduction by Hirt & Carter Cape (Pty) Ltd Printed and bound by 1010 Printing International...E-pdf: 978 1 77584 071 8 FRONT COVER: Experience South Africa’s austere and beautiful Karoo from Graaff-Reinet’s...(the world’s leading diamond conservation work in South The Oppenheimer Family has a rich history and association |  | | Journal (article/letter/editorial) | | The Rev. James Crossby Roberts, 41 Derby Road, East Park, Northampton, and John Whitehead, Esq., Esplanade...specimens wore exhibited : - Nodule of Malachite from South Australia, exhibited by E. Charlesworth, Esq., F...t E GEOLOGICAL SOCIETY. Assoc.M.Inst.C.E., 13 South Hill Park Gardens, ]:Iampstead, N.W. ; and William...G.S. 2. " A Comparison of the Red Rocks of the South Devon Coast with those of the Midland and ~Testern...; Charles Chewings, Esq., La~gs Bay, Adelaide, South Australia ; John Rule Daniell, Esq., Polstrong, |  | | Book | | were thinking of the East African Rift Valleys, and the emphasis was on Africa. As chance would have...just happened to accept a consulting contract on Africa. After a year of working on the assignment, I realized...basins, pull-apart basins, as well as rift basins in Africa. About this time, our choice of the editor for...China or in Africa, and could consult an opus on Sedimentary Basins of China, or that on Africa accordingly...to those on China and Africa, volumes on sedimentary basins of Australia, South America, Central America |  | | Book (volume) | | utCanada: , ALFRED PETER HitiiEr, M.D., M.P. Author of South African Studies; The Commonweal; &c. Served in Kafnr...with Dr L. S. Jameson in medical practice in South Africa till 1896. Member of Reform Committee, Johannesburg...Geography. X Society. Author of The London at 2 Cape Colony: part). Water- . Cancer. Supply; Industrial...DE Pvt. Assistant, Victoria and Albert Museum, South Kensington. Author of HispanoMoresque Ware of the...Ceramics: Assistant, Victoria and Albert Museum, South Kensington. CHARLES FRANCIS ATKINSON. Formerly |  | | Book | | 1. Mafic dyke swarms in the Kaapvaal Craton, South Africa 189 3.4.2. The Mackenzie dyke swarm, Canada...controls of intracontinental alkaline magmatism in Africa 194 3.5.2. The Damaraland alkaline province, Namibia...ofintraeontinental basins and aulaeogens 4.6 The East Afriean Rift System and the Afar Triangle: examples...aetivity is reeognised 4.6.1. Introduetion 4.6.2. The East Afriean Rift System (EARS) 4. 7 Examples of aneient...Namibia 6.3.2. Anorogenic metamorphism in the eastern Pyrenees 6.3.3. Anorogenic metamorphism and intraplate |  | | Journal (issue) | | ........................... 38 The Diamonds of Africa, Part 2, by Victor C.G. Norwood ........................................................... 10 SOUTH CENTRAL FEDERATION OF MINERAL SOCIETIES Don Beres...Correspondence and requests for Information to the South Central Federation should be addressed to: Mrs....Philadelphia, Pennsylvania Check with your local rock shop for Eastern Gem Trails by Floyd Oles, or write to...and plans to open his own shop, Donald Beres, 652 South Coast Highway, Laguna Beach, California, in February |
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