 | | 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) | | Discussion on ‘The stratigraphy and origin of the Natal Group’ (S. Afr. J. Geol., 102, 15—25) H. de la R...O. Box 524, Auckland Park, 2006 Republic of South Africa E-mail: hdlrw@na.rau.ac.za CS. Kingsley Geotech...Geotech, P.O. Box 6724, Flamwood, 2572 Republic of South Africa E-mail: geotech@lantic.co.za Marshall and Von...lithology and revised the lithostratigraphy of the Natal Group (SACS, 1980) to a stage where the characteristic...references such as these and relevant articles on local stratigraphy, we point out where we consider that |  | | Journal (article/letter/editorial) | | Discussion on ‘The stratigraphy and origin of the Natal Group’ (S. Afr. J. Geol., 102, 15—25) H. de la R...O. Box 524, Auckland Park, 2006 Republic of South Africa E-mail: hdlrw@na.rau.ac.za CS. Kingsley Geotech...Geotech, P.O. Box 6724, Flamwood, 2572 Republic of South Africa E-mail: geotech@lantic.co.za Marshall and Von...lithology and revised the lithostratigraphy of the Natal Group (SACS, 1980) to a stage where the characteristic...references such as these and relevant articles on local stratigraphy, we point out where we consider that |  | | 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 |  | Thomas, R.J., Eglington, B.M., Bowring, S.A., Retief, E.A., Walraven, F. (1993) New isotope data from a neoproterozoic porphyritic garnitoid-charnockite suite from Natal, South Africa. Precambrian Research, 62 (1) 83-101 doi:10.1016/0301-9268(93)90095-j | Journal (article/letter/editorial) | | porphyritic granitoidcharnockite suite from Natal, South Africa R.J. Thomas a, B.M. Eglington b, S.A. Bowring...Pietermaritzburg, 3200, South Africa bEMATEK, CSIR, P. 0. Box 395, Pretoria, 0001, South Africa CDepartment of...Geological Survey, P. Bag X112, Pretoria, O001, South Africa (Received April 2, 1992; accepted after revision...porphyritic granitoid-charnockite suite from Natal, South Africa. Precambrian Res., 62: 83-101. The tectonic...("megacrystic granites") from the ~ 1 Ga (Kibaran) Natal Metamorphic Province has been controversial. Isotopic |  | | 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 |  | | Book (edition) | | METALLURGY AND PAST-PRESIDENT OF THE GEOL. SOC. OF S. AFRICA AND R. H. RASTALL, M.A. DEMONSTRATOR OF GEOLOGY...Siliceous Deates Calcareous Sinter Dolomite posits IV. Iron Ores of Chemical Origin. ORGANIC DEPOSITS 123...malmstone, from Merstham) 29. Quartz Pebble replaced by Iron-pyrites (Lancaster West Gold Mine, Witwatersrand)...in 202 216 ILLUSTRATIONS xii PAGE FIG. by Iron-pyrites (Rose Deep Gold Mine, Witwatersrand) 30...Scapolite-rock (Port Shepstone, Natal) . . .257 . 40. Spinel-forsterite-rock (Port Shepstone, Natal) . 41 |  | | Journal (issue) | | cargo was damaged by a storm and put into a Sicilian port for repairs, and when the ship finally reached England...magnesium silicates, which frequently contain traces of iron, become readily altered by later chemical action...Galway, Ireland. Iona stone, found near the Bay of Port-na-Carrack on the 300 Xalostocite, a marble containing...would be little value in repeating what may well be local quarry names. In general there are two main types...alabaster " mosque at Cairo. About three hundred miles south of San Diego lie the Pedrara quarries of Lower California |  | | Book (edition) | | tiecann UES COVER: TAPESTRIES. DEPICTING DIAMOND IRON, URANIUM, COAL AND GOLD, DESIGNED AND MADE BY JO...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 |  | | Journal (issue) | | SINGLE CRYSTAL NATURAL DIAMOND I SINGLE CRYSTAL X-ray diffraction patterns of natural and man-made diamonds...oil, and lithium at red heat in a sealed wrought iron tube. A product identification including a density...o n d is m a d e by dissolving carbon in molten iron and quenching the solution to crystallize the carbon...gravels of the R a t n a p u r a district of Ceylon; the Bo Pie district in Batambang, Siam; Mogok mines...drop of water in the upper left-hand corner shows a ray normal to the prism face and not parallel to it. |  | | Book (volume) | | Papers and Discussions Volume I , I JOHANNESBURG SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY 1961... 01", ~TALLUf>iYY. © Copyright 1961 by The South African Institute of Mining and Metallurgy Ext'racts...I (1v DEC 196f Printed in t!te Republic of South Africa by Hortors Limited, Johannesburg V r. 1 The...and n1anagement of the gold mining industry in South Africa -C. B. ANDERSON . . . . . . . . . page r J ... ( 2. The economy of the Union of South Africa-W. J. BusSCI-IAU 9 3. An introduction to the physical |  | | Book (volume) | | LONDON: AFRICA : & CO. (PUBLISHERS) LTD. 88 Kingsway, W.C.2 BUTTERWORTH & CO. (AFRICA) LTD. DURBAN...sapphire is solely due to a trace of a metallic oxide as an impurity. Similarly emerald, aquamarine and...there is a heavy central core, probably of nickel-iron, termed the barysphere, which is about half the...sulphides and owides with a density of 5-6. (4) Nickel-iron core with a density of & Igneous Rocks During the...the individual minerals crystallize out around local centres. Some minerals do so at an early stage and |  | | Journal (volume) | | in Rhodesia Asbestos in Rhodesia Asbestos in South Africa Asbestos in Tasmania Ashanti Mine, Falls of...Prospects in 43 (m.ii.) Barberton District, Geology of 377 Barnes, W., Iron Ore in the Midiands"!"!!!!!.""'"... F. Wanf Mm.A.\ Cell and Iron in Manchuria Coal in Queensland Coal in South Australia Coal Resources...Proprietary Shares •» W. E. Walnwrlflit Broken Hill South Mine ... Brown, R. Oilman, What are Ore RaMnres...) Diamond, Formation of Diamonds, Output in South Africa Dolcoath Dolcoath, Conditions at Dolcoath Meeting |  | | 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...FERRIFEROUS VII DEPOSITS PAGE Transportation of Iron in Surface Waters ; Primary and Early Diagenetic...Ironstones and Soil Concentrates : : Detrital Deposits of Iron Minerals . F : CHAPTER CALCAREOUS VIII DeEposits...Lithification . Metasomatism Replacement of Limestones by Iron Compounds Phosphatisation Pyritisation Calcification |  | | Book | | meltwater The importance of extensional rift basins South Australia/northern Canadian Cordillera North Atlantic...preservation potential in rift 10 South America 11 South Africa 14 settings Subsidence mechanisms...Group in the eastern region of the Karoo Basin, South Africa 36 V. VON BRUNN Abstract 36 vii 60 Contents...IX Whitehill Formation References 15 Ranges, South Australia A.R. CROSSING and V.A. GOSTIN Abstract...204 region, northern part of the Karoo Basin. South Africa d.i. coLEand a.d m. Christie Sturtian (Neoproterozoic) |  | | Journal (volume) | | Metallurgical Engineer, Denver, Colo. Gold in South Dakota. State Geologist, Lincoln, Neb. Cement...Birmingham, Ala. H. Alabama Coal Market. Alabama Iron Market. Muzquiz, Coahuila, Mexico. Coal Mining...Associate Editor of the Engineering and Mining Journal. Iron and Steel. Mining, Columbia University. Gold...J. Cement in New Jersey. Copper in New Jersey. Iron Ore in New Jersey. LaTouche, T. D. Superintendent... E. School of Mines, Houghton, Mich. Cobalt District in 1909. Horton, Frederick W. Leonard, A. |  | | Report (volume) | | MAGMATIC PROCESSES 25 1991 509 D.H. Lindsley OXIDE MINERALS: PETROLOGIC AND MAGNETIC SIGNIFICANCE .........-..:.sccceeeeeeeeees 153 Tourmalines with iron and other transition elements ....................Jaacsceh, oka cet nate os eee Ouest eee 333 Boron Oxide Melt, 7.22: .c-.casstcraecss teams coer ckeetmeavee...borax in 1702 by Wilhelm Homberg by reaction with iron vitriol (ferrous sulfate). Natural boric acid (sassolite)...the present. Boron is not detected at all with X-ray fluorescence spectrometers and only using special | | | Report (volume) | | Interpretation of spectroscopic data Orbital energies X-ray spectra NMR spectra Vibrational spectra Calculation...aluminous tourmalines, olenite Tourmalines with iron and other transition elements Serendibite Axinite...Introduction Structural Role of Boron in Melts Boron oxide melt Borate melts Borosilicate and boroaluminosilicate...Tourmaline General Broken Hill (Australia) Barberton (South Africa) Evolution of the continental crust and seawater...borax in 1702 by Wilhelm Homberg by reaction with iron vitriol (ferrous sulfate). Natural boric acid (sassolite) |  | 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) | | example, gray antimony is now called stibnite, spathic iron is now known as siderite, and blue vitriol is now...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...carbonate Species typical of mollusc shells, the iron compounds found in bacteria, and oxalate crystals...include are distinctions. A very few materials by X-ray diffraction order (e.g., opal). Lattice constants |  | | 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 |  | | Report (volume) | | mountains........ _ v ........................ 69 South Dorset........................ f......................................... 71 Structure north and south of Center Rutland..................... 71 Trap dikes.............................................. 91 South Dorset..................................................................'.................... 97 South Dorset............................................Geologic map of marble belts of western Vermont south of Salisbury. II. General sections across the marble |  | | 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...minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...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. | | | Book (edition) | | (lower /eft) rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...we have incorporated data (cell dimensions and X-ray data) on synthetic analogues of minerals when data...minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...conventions, and physical ‘‘constants’’ (for example, in X-ray measurements) have all evolved through time, thus |
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