 | | Journal (article/letter/editorial) | | EXTENDED DISTRIBUTION OF NATAL GROUP WITHIN SOUTHERN KWAZULU NATAL, SOUTH AFRICA: IMPLICATIONS FOR SEDIMENT...Republic of South Africa e-mail: nhicks@geoscience.org.za © 2010 September Geological Society of South Africa...Ixi.sin that contain.s the Ordovician (-490 Ma) Natal Group ha.s long been defined by the "Dwe.shula palaeo-topographic...palaeo-topographic high" located near Port Shepstone in southern KwaZulu-Natal, South Africa. Six recently discovered...discovered outcrops of Natal Group rock.s occurring up to 30 km .south of the Dweshula palaeo-topographic high |  | | Journal (article/letter/editorial) | | TECTONO-MAGMATIC MODELS OF THE NATAL METAMORPHIC PROVINCE (SOUTH AFRICA) R.J. VOORDOUW Council for Geoscience...Geoscience, PO Box 900, Pietermaritzburg, 3200, South Africa Present address: Equity Exploration Consultants... 2006, South Africa e-mail: hmrajesh@uj.ac.za © 2012 March Geological Society of South Africa ABSTRACT...arc-like terranes that form the Natal Metamorphic Province in South Africa. Integration of new and compiled...Ga granitic batholith. Introduction The Namaqua-Natal Metamorphic Province comprises a sequence of Meso- |  | | Journal (article/letter/editorial) | | BRENDAN M. CLARKE 1 The geology of the Natal Metamorphic Province in the Durban area Brendan M. Clarke...for Geoscience, KwaZulu-Natal Unit, PO Box 900, Pietermaritzburg, 3200, South Africa. e-mail: bmclarke@mweb...Geological Society of South Africa ABSTRACT This paper describes the field geology of the Natal Metamorphic Province...Introduction Rocks of the approximately 1.3 to 1.0 Ga. Natal Metamorphic Province (NMP) underlie only a small...bounded inliers overlain by rocks of the Phanerozoic Natal Group (Figure 1). Although there is good outcrop |  | | Journal (article/letter/editorial) | | the Sikombe Granite, Transkei, Natal Metamorphic Province, South Africa Robert J. Thomas Council for Geoscience...Geoscience, P.O. Box 572, Bellville, 7535, South Africa * Current address: British Geological Survey...eglington@usask.ca © 2003 Geological Society of South Africa ABSTRACT A new U-Pb SHRIMP zircon date of 1181...form the most southerly exposures of the ~1.1 Ga Natal Metamorphic Province (NMP). Previously, these isolated...southernmost intrusive granitic body in the ~1.1 Ga Natal Metamorphic Province. It is exposed in a ~5km2 coastal |  | Grantham, G.H., Mendonidis, P., Thomas, R.J., Satish-Kumar, M. (2012) Multiple origins of charnockite in the Mesoproterozoic Natal belt, Kwazulu-Natal, South Africa. Geoscience Frontiers, 3 (6) 755-771 doi:10.1016/j.gsf.2012.05.006 | Journal (article/letter/editorial) | | charnockite in the Mesoproterozoic Natal belt, Kwazulu-Natal, South Africa G.H. Grantham a,*, P. Mendonidis...0127, South Africa Vaal University of Technology, Andries Potgieter Boulevard, Vanderbijlpark, South Africa...2012 KEYWORDS Charnockite igneous; Metamorphic; Natal belt; Dehydration CO2 Abstract Four different varieties...different modes of formation, from the Mesoproterozoic Natal belt are described and new C isotope data presented...quarries and river sections make this part of the Natal belt a good location for observing charnockitic |  | | Journal (article/letter/editorial) | | PORTSHEPSTONE. 507 21. DE~0I:OMITIZATION ~n the MARBLE Of PORT SItEPSTONE (~ATAL). By Dr. F. H. HATCa, M.Inst.0...WHILE on a visit to the marble quarries of Port Shepstone, the attention of one of the authors 1 was...microscopic examination. The Port Shepstone marble is well known in Natal, on account of its beautiful...Geology of Natal' Quart. Journ. Geol. Sac. vol. xxvii (1871) p. 56. s , The,Marble :Beds of Natal' Ibid....William Anderson, l then Government Geologist for Natal. This author considered that the marble originated |  | | Journal (article/letter/editorial) | | FOR REGIONAL DEFORMATION IN THE NATAL METAMORPHIC PROVINCE (SOUTH AFRICA) R.J. VOORDOUW Council for Geoscience...rvoordouw@geoscience.org.za © 2010 June Geological Society of South Africa ABSTRACT The Vungu shear zone is one of only...microstructures are similar to other D3 shear zones in the Natal Metamorphic Province. Part of the northwestern marginal...Introduction The ~1.3 to 1.0 Ga Natal Metamorphic Province (South Africa) is formed by the Tugela, Mzumbe...Terrane are from structural sketch maps of the Natal Metamorphic Province (e.g. Figure 3 in Jacobs and |  | | Journal (article/letter/editorial) | | vein intrusion in marble, quarries at Port Shepstone, Natal (analyst J. H. Scoon). 1. Hornblende-biotite...C. E. Tilley— (1920) from Port Shepstone, Natal. Specimens of this Natal rock and its accompanying skarns... Aegirine-hedenbergite Granite, Marble Delta, Natal 100-00 4-49 10-72 4-68 0-39 17-15 11-89 ...Sphene . Clinopyroxene Plagioclase (Ab,,). Microcline Quartz Mode 18-48 . . 0-78 5 • 83 39-12...particular from the granitic liquid has led to a local impoverishment in this constituent which has had |  | Mendonidis, P., Thomas, R.J., Grantham, G.H., Armstrong, R.A. (2015) Geochronology of emplacement and charnockite formation of the Margate Granite Suite, Natal Metamorphic Province, South Africa: Implications for Natal-Maud belt correlations. Precambrian Research, 265. 189-202 doi:10.1016/j.precamres.2015.02.013 | Journal (article/letter/editorial) | | Margate Granite Suite, Natal Metamorphic Province, South Africa: Implications for Natal-Maud Belt correlations...Margate Granite Suite, Natal Metamorphic Province, South Africa: Implications for Natal-Maud Belt correlations...of the Margate Granite Suite, Natal Metamorphic Province, South Africa: Implications for a cr P. Mendonidis...b, G.H. Grantham c and R.A. Armstrong d ip t Natal-Maud Belt correlations Vaal University of Technology...Andries Potgieter Boulevard, Vanderbijlpark, South Africa, us Tel: +27 16 9509165; email: peter@vut |  | | Journal (article/letter/editorial) | | PORTOBELLO GRANITE FROM THE SOUTHERN PART OF THE NATAL METAMORPHIC BELT P. MENDONIDIS Department of Metallurgical...University of Technology, P/Bag X021, Vanderbijlpark, South Africa email: Peter@vut.ac.za R.A. ARMSTRONG PRISE...Armstrong@anu.edu.au © 2009 June Geological Society of South Africa ABSTRACT The Portobello granite, which crops...crops out along the littoral in southern Natal is an S-type, red-coloured, foliated, chlorite-biotite granite...thus far acquired for the Margate Terrane of the Natal Metamorphic Belt, and further corroborate the previously |  | | Journal (article/letter/editorial) | | Implications for the tectonic evolution of the Natal Metamorphic Province P. Mendonidis Department of...Glenmore Granite from the Margate Terrane of the Natal Metamorphic Province. The Glenmore Granite contains...reconstruction of Gondwanaland, lie adjacent to the Natal Metamorphic Province. Introduction The intrusive...tectonic history of the Margate Terrane of the Natal Metamorphic Province (NMP) has been studied since...of the Archaean Kaapvaal Craton in southeastern Africa. It is considered to be an extension of the Namaqualand |  | | Journal (article/letter/editorial) | | Southeastern Africa A. Kerr and G. C. Milne* Department of Geology and Applied Geology, University of Natal, Durban...Durban, South Africa With 6 Figures Received October 28, 1991; accepted August 6, 1992 Summary Megacrystic...granites which form the Oribi Gorge Suite of southern Natal show many features that closely resemble the rapakivi...Granite aus der Oribi Gorge Suite des sfidlichen Natal zeigen vielerlei Ahnlichkeiten mit den Rapakivi...late Proterozoic rocks (1250 to 850 Ma) of the Natal Structural and Metamorphic Province (NSMP) have |  | | Journal (article/letter/editorial) | | 119 DELTA_. Tke GEOLO(~ of the MXaBL~ DELTA (NATAL). ALEXANDER LOGIE DU ToIr, B.A., D.Sc., F.G.S. February...I~'TRODUCTION. THE crystalline dolomitic marbles near Port Shepstone have formed the subject of no less than three...Sandstone, still preserved towards the west and south. The slopes of this picturesque country are steep...Surv. S. Africa, No. 11 (1918) chapt, xiii, with map. Third & Final Repor~ Geol. Surv. Natal, 1907, pl...just reappears along the bed of the river on the south-east, and also on the north within the great bend |  | | 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...Printed and bound by Interpak, Pietermaritzburg, Natal All rights reserved. No part of this publication...Rust, Professor of Geology at the University of Port Elizabeth, for his very generous help in checking...suggestions and advice. Author’s Preface Southern Africa has much to offer the amateur geologist, whatever |  | | Journal (article/letter/editorial) | | Constraints on Proterozoic Crustal Evolution in South-Eastern Africa B . M . E G L I N G T O N 1, R.E. H A R...(Republic of South Africa) 2Department of Geology and Applied Geology, University of Natal, Durban (Republic...(Republic of South Africa) (Received February 18, 1988; revision accepted February 12, 1989) Abstract Eglington...evolution in south-eastern Africa. Precambrian Res., 45: 159-174. Proterozoic exposures south of the imbricate...in the eastern sector of the Namaqua-Natal Belt of southern Africa are dominated by granitoid plutons intrusive |  | | Journal (article/letter/editorial) | | area of Donegal. This locality lies on the extreme south of the one-inch Geological Survey of Ireland Sheet...planes, and these dip at very low angles to the south. To the north-west the limestone appears to pass... to the late alkali-granite. They consist of microcline, albite-oligoclase, quartz, and brown biotite...biotite. The smaller dikes are richer in microcline, and accessory calc-silicate minerals such as diopside...interest. One of the dikes, essentially composed of microcline, orthoclase, a lesser amount of plagioclase, |  | | Book (edition) | | METALLURGY AND PAST-PRESIDENT OF THE GEOL. SOC. OF S. AFRICA AND R. H. RASTALL, M.A. DEMONSTRATOR OF GEOLOGY...Scapolite-rock (Port Shepstone, Natal) . . .257 . 40. Spinel-forsterite-rock (Port Shepstone, Natal) . 41...SEDIMENTS 6 In general terms it may be said that local condi- tions are of the utmost importance in determining...the sea the principal agents of trans- either ; port are waves, tides and currents. Besides fragmental...coast of the South America. North Nor- water also United States and Off the coast of Africa, on the |  | | 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; |  | | Book (volume) | | LONDON: AFRICA : & CO. (PUBLISHERS) LTD. 88 Kingsway, W.C.2 BUTTERWORTH & CO. (AFRICA) LTD. DURBAN...the individual minerals crystallize out around local centres. Some minerals do so at an early stage and...gem and lithiumbearing pegmatites of the Pala district of San Diego County, California, from which much...are used only for the ‘pipe’ diamond deposits of Africa. Other gems are not mined in depth but are won...the most important being those of the southern district. Although so important in the past they are now |  | | Book (edition) | | and Metallurg y Past-President Geol. Soc. of South Africa Ree ie RA ALE University Lecturer in Mineralogy...DEPOSITS CONTENTS The Accessory Minerals of Sands Local Variation : Vertical Variations Gold Placers Platinum...Wyke, Yorkshire) Haematitic Limestone (Rhiwbina, South Wales) Fireclay with Zoned Spherulites of Siderite...(Strasburg, Virginia) B. Carboniferous Limestone (South Wales) . Calcite Mudstone (Avon Gorge, near Bristol)...resulting deposit. In general terms it may be said that local conditions are of the utmost importance in determining |  | | Journal (volume) | | N:o 140. F. F. GROU'l" Minneapolis JOHN C. HAFF, South Hadley, lVIass. H. E. HAWKES Jr., Washington ANNA...Washington W. S. WIIITE, Houghton lVIAX WILLARD, South Hadley, lVIass. JOHN STEWART VHAY, Washington -...from Australia: DEPARTMENT OF MINES, Adelaide, South Australia S. B. DICKINsoN, Adelaide Belgiasta, from...Liege Etelä-Afrikasta, from South Africa: THE GEOLOGICAL SOCIETY OF SOUTH AFRICA, Johannesburg Hollannista...circular "Voodstock area, a long protIUsion to the south and a smaller anticline to the northwest which are |  | | Journal (volume) | | N:o 140. F. F. GROU'l" Minneapolis JOHN C. HAFF, South Hadley, lVIass. H. E. HAWKES Jr., Washington ANNA...Washington W. S. WIIITE, Houghton lVIAX WILLARD, South Hadley, lVIass. JOHN STEWART VHAY, Washington -...from Australia: DEPARTMENT OF MINES, Adelaide, South Australia S. B. DICKINsoN, Adelaide Belgiasta, from...Liege Etelä-Afrikasta, from South Africa: THE GEOLOGICAL SOCIETY OF SOUTH AFRICA, Johannesburg Hollannista...circular "Voodstock area, a long protIUsion to the south and a smaller anticline to the northwest which are |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | developed and refined in this century such as x-ray and electron diffraction, optical and electron microscopy...Smithsonian Inst., Washington, D.C. Alan Pring: South Australian Museum, Adelaide, SA, Australia. Gunnar...include are distinctions. A very few materials by X-ray diffraction order (e.g., opal). Lattice constants...University Press. (ITXC) International Tables for X-ray Crystallography, v. 1, Kynoch Press, Birmingham,...Powder Diffraction Pattern - (AZ) Next is the X-ray powder diffraction pattern consisting of the eight |  | | Book (edition) | | Mineralogy, Museum of Geology South Dakota School of Mines & Technology Rapid City, South Dakota GEORGE ROBERT...It also provides the numerical data afforded by X-ray powder diffraction and optical methods of study,...prompted us to use a formula from one source, X-ray data from a second, optical data from a third, and...we have included cell data not compatible with X-ray or chemical formula data, etc. To " remove" these...included data (particularly cell constants and X-ray data) taken from studies on the artificial analogues |  | | Book (edition) | | England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...we have incorporated d~ta (cell dimensions and X-ray data) on synthetic analogues of minerals when data...conventions, and physical "constants" (for example, in X-ray measurements) have all evolved through time, thus...Wiley & Sons, 1956). International Tables for X-ray Crystallography, edited by N. F. M. Henry and K....set of lattice constants. All, or nearly all, X-ray measurements reported • before 1949 were expressed |
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