 | | Journal (article/letter/editorial) | | is the Cullinan Heritage Diamond, mined in 2009 at Petra Diamonds, Ltd., Cullinan diamond mine, located...located east of Pretoria, and photographed in June 2010 prior to cutting. The rough diamond was purchased...[University of New Brunswick] at 01:58 29 May 2014 South African Diamonds Department of Geology University...University of Johannesburg PO Box 524 Auckland Park 2006 Gauteng, South Africa brucec@uj.ac.za A Photographic...the social, economic, and political fabric of South Africa. For more than 140 years, these two commodities |  | | Journal (issue) | | I. Loffler & W. E. Wilson Reconstructing the Cullinan Diamond ........................................(2014) Dave Waisman (2014) Mineralogical Association of Dallas ~ issue was made possible in part by contributions...(2009-2014) the Fellows of the Mineralogical Record RASHLEIGH, P. (1797) Specimens of British Minerals selected...000(?), 46 being the exceedingly rare maximum number of plates). SOWERBY, J. (1804-i809) British Mineralogy...farther back, just for fun? Albert E. Foote was one of America's first major mineral dealers, having established |  | | Journal (article/letter/editorial) | | Manuscript Kimberlite and carbonatite dykes within the Premier diatreme root (Cullinan Diamond Mine, South...South Africa): New insights to mineralogical-genetic classifications and magma CO2 degassing Ashish Dongre...Tappe, Kimberlite and carbonatite dykes within the Premier diatreme root (Cullinan Diamond Mine, South...South Africa): New insights to mineralogical-genetic classifications and magma CO2 degassing, LITHOS, https://doi...org/10.1016/j.lithos.2019.04.020 This is a PDF file of an unedited manuscript that has been accepted for |  | Nestola, F., Korolev, N., Kopylova, M., Rotiroti, N., Pearson, D. G., Pamato, M. G., Alvaro, M., Peruzzo, L., Gurney, J. J., Moore, A. E., Davidson, J. (2018) CaSiO3 perovskite in diamond indicates the recycling of oceanic crust into the lower mantle. Nature, 555 (7695) 237-241 doi:10.1038/nature25972 | Journal (article/letter/editorial) | | CaSiO3 perovskite in diamond indicates the recycling of oceanic crust into the lower mantle F. Nestola1,...theoretical picture of the most abundant minerals that comprise the deeper parts of the Earthâs mantle...mantle. Discoveries of some of these minerals in âsuper-deepâ diamondsâformed between two hundred and about...part of this picture1â5. A notable exception is the highpressure perovskite-structured polymorph of calcium...discovery of the perovskite-structured polymorph of CaSiO3 in a diamond from South African Cullinan kimberlite |  | Korolev, N.M., Kopylova, M., Bussweiler, Y., Pearson, D.G., Gurney, J., Davidson, J. (2018) The uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume?. Lithos, 304. 362-373 doi:10.1016/j.lithos.2018.02.011 | Journal (article/letter/editorial) | | uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume? N.M...uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume?. The...doi:10.1016/j.lithos.2018.02.011 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume? By |  | Korolev, Nester, Kopylova, Maya, Gurney, John J., Moore, Andy E., Davidson, Jim (2018) The origin of Type II diamonds as inferred from Cullinan mineral inclusions. Mineralogy and Petrology, 112. 275-289 doi:10.1007/s00710-018-0601-z | Journal (article/letter/editorial) | | ORIGINAL PAPER The origin of Type II diamonds as inferred from Cullinan mineral inclusions Nester Korolev...GmbH Austria, part of Springer Nature 2018 Abstract We studied a suite of Cullinan diamonds (<0.3 ct)...than 90% (n = 68) of Type II diamonds do not luminesce. In contrast, 51.9% (n = 177) of Type I diamonds...luminesce, with blue colors of different intensity. Carbon isotopic compositions of Type I and II diamonds...garnet, omphacite, kyanite and coesite comprise 33% of Type II diamonds. The sublithospheric mafic paragenesis |  | | Journal (article/letter/editorial) | | PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover...readability, but it is not yet the definitive version of record. This version will undergo additional copyediting...are providing this version to give early visibility of the article. Please note that, during the production...Johannesburg, South Africa Corresponding author. of * ro Abstract -p The thermobarometric analysis of inclusions...that these diamonds may originate from a wide range of depths, with a global mode at ~175 ± 15 km. Studies |  | | Journal (article/letter/editorial) | | The extension of the western limb, Bushveld Complex (South Africa), at Cullinan Diamond Mine R. G. CAWTHORN*...MCKENNA School of Geosciences, University of the Witwatersrand, PO Wits, 2050, South Africa ABS TR ACT...ACT Mafic rocks of the Bushveld Complex at the southeastern end of the western limb, intersected in bore...bore core from the Cullinan Diamond Mine, are described. A 260 m thick ultramafic body of orthopyroxene and...considerably extends the eastern limit of Critical Zone rocks of the western limb of the Bushveld Complex. The whole-rock |  | Krebs, M.Y., Pearson, D.G., Stachel, T., Laiginhas, F., Woodland, S., Chinn, I., Kong, J. (2019) A common parentage-low abundance trace element data of gem diamonds reveals similar fluids to fibrous diamonds. Lithos, 324. 356-370 doi:10.1016/j.lithos.2018.11.025 | Journal (article/letter/editorial) | | common parentage - Low abundance trace element data of gem diamonds reveals similar fluids to fibrous diamonds...common parentage - Low abundance trace element data of gem diamonds reveals similar fluids to fibrous diamonds...10.1016/j.lithos.2018.11.025 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...common parentage - Low abundance trace element data of gem diamonds reveals similar fluids to fibrous diamonds |  | | Journal (article/letter/editorial) | | UDC 549.091 DIAMOND IMAGES ON THE POSTAL STAMPS OF THE WORLD Vyatcheslav D. Dusmatov Fersman Mineralogical...its extraordinary bright luster and a color play of rays it reflects. Numerous are other beautiful gems...bibliography on diamonds is unbelievably vast. Any kind of information is available on the mineral, from its...the Pentateuch tells that God in the evening dusk of the sixth Creation day made ten things, and shamir...been the stone Moses used to cut twelve names of the sons of Israel on the stone tablets and on the ephod |  | | Journal (article/letter/editorial) | | Collection of D iamond C rystals with Notes on the Science, History, and Worldwide Localities of Diamonds...charismatic of mineralogical collectibles, but they are relatively rare in collections because of their high...small size and their limited availability outside of the gem trade. They also represent a rich and extensive...with the possible exception of Antarctica, and have been mined from hundreds of deposits worldwide since...Despite this seeming abundance of diamonds over the centuries, and the presence of at least token crystals in |  | Wu, Fu-Yuan, Mitchell, Roger H., Li, Qiu-Li, Sun, Jing, Liu, Chuan-Zhou, Yang, Yue-Heng (2013) In situ UPb age determination and SrNd isotopic analysis of perovskite from the Premier (Cullinan) kimberlite, South Africa. Chemical Geology, 353. 83-95 doi:10.1016/j.chemgeo.2012.06.002 | Journal (article/letter/editorial) | | isotopic analysis of perovskite from the Premier (Cullinan) kimberlite, South Africa Fu-Yuan Wu a,â, Roger...Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences...P. O. Box 9825, Beijing 100029, China Department of Geology, Lakehead University, Ontario, Canada P7B...Premier kimberlite a b s t r a c t South Africa is characterized by multiple episodes of kimberlite intrusion...age and Sr\Nd isotopic compositions of the primary magma of most of the earlier emplacement events remain |  | | Report (issue) | | 2016 Cover: Drilling one of the slot rings required to get the first tunnel of the sub level cave going...magnificent example of the high quality pink diamonds for which the Williamson mine is known and sold for...contribute to the sustainability of our industry and deliver long-term value to each of our stakeholders. OUR...operating margins at each mine Drive efficiencies Maintaining a culture of effective cost control Work...growing supplier of rough diamonds to the international market. Petra navigated a number of challenges to |  | | Journal (article/letter/editorial) | | A GEOLOGICAL EXCURSION TO THE MINING AREAS OF SOUTH AFRICA by Aberra Mogessie, Christoph Hauzenberger...Wedenig & Sebastian Wiesmair Institute of Earth Sciences, University of Graz, Universitaetsplatz 2, A-8010...Juliane Hentschke Chair of Geology and Economic Geology, Mining University of Leoben, Peter-Tunner-Strasse...Christoph Gauert Department of Geology, University of the Free State, South Africa 1. Preface Almost a year...excursion for the students of the Institute of Earth Sciences, University of Graz. The choices were Argentina |  | | Journal (article/letter/editorial) | | T54-64 E1, 75251 Paris, Cedex 05, France Department of Earth and Planetary Sciences, McGill University,...2A7 c Department of Geographical and Earth Science, Gregory Building, University of Glasgow, G12 8QQ...Beers Consolidated Mines Ltd., Southdale, 2135, South Africa Received 2 October 2006; received in revised...Editor: R.W. Carlson Abstract Mineralogical studies of deep-seated xenoliths and mineral inclusions in diamonds...variability is consistent both with the occurrence of reduced (methanebearing) or oxidized (CO2/carbonate-bearing) |  | | Journal (issue) | | Gemology The Cullinan Diamonds Zircon in Heated Sapphire Faceting Rhodonite THE QUARTERLY JOURNAL OF THE GEMOLOGICAL...GEMOLOGICAL INSTITUTE OF A MERICA Âź Summer 2006 VOLUME 42, NO. 2 EDITORIAL _____________ 95 GIA..._______ FEATURE ARTICLES _____________ Applications of Laser AblationâInductively Coupled Plasmaâ Mass Spectrometry...Abduriyim and Hiroshi Kitawaki Summarizes the principles of this powerful technique and examines its usefulness...treatment and determining locality of origin. pg. 116 120 The Cullinan Diamond Centennial: A History and |  | | Journal (article/letter/editorial) | | com/locate/chemgeo Editorial Kimberlite, carbonatite, and potassic magmatism as part of the geochemical cycle...(2009), and Markl et al. (2012). SigniïŹcantly, each of the above compilations is solely focussed around...regarded as a unique compositional end-member of the wide spectrum of low-volume, volatile-rich, mantle-derived...evolution of these exotic magmas. It is now time for a more holistic approach to the origin of low-volume...to sharpen our understanding of their source regions and the nature of the primary melts that form such |  | | Journal (article/letter/editorial) | | org/10.1016/j.chemgeo.2019.04.014 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...PT Gemological Institute of America (GIA), 50 west 47th Street, New York City, NY, 10036, USA (*ksmit@gia...Microanalysis, Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada. Abstract...ED MA NU Here we present SIMS data for a suite of Zimmi sulphide-bearing diamonds that allow us to |  | | Journal (issue) | | 00 Discovery and Recovery of a Trophy âFloat Copperâ in Keweenaw County of the Michigan Copper Country...and rock from the outcrops was carried at the base of the glacier and the grinding action had smoothed...recede, its load of material was transported by glacial outwash or dropped in place. patina of green copper...coating the chunks. Usually there was a thin rind of cuprite coating the copper. These were in demand...collectors and were quickly sold to them. A huge amount of float copper has been recovered in the Keweenaw starting |  | | Journal (article/letter/editorial) | | SOURCE DISCRIMINATION L. CONEY AND A.V. MOILA (South African Diamond and Precious Metals Regulator) SADPMR-Mintek... 2125, South Africa e-mail: louisec@mintek.co.za; awelanim@mintek.co.za A.G. QUADLING (South African...Malibongwe Drive, Randburg, 2125, South Africa Present address: Department of Materials, Imperial College,...quadling11@imperial.ac.uk © 2012 March Geological Society of South Africa ABSTRACT Conflict diamonds, those that are...against legitimate governments, have been a problem of grave concern in the international diamond industry |  | | Journal (article/letter/editorial) | | Some of the Uses of Columbite The initial demand for columbite was the outcome of the discovery that...action of the uncombined carbon. The present great demand for this mineral was the development of the jet...niobium is found to be the only known element capable of producing such steel. So great is the demand for...REFERENCE A brief description of the tin fields of Northern Nigeria, West Africa, by Aubrey E. Horn, ROCKS...exciting era of geologic exploration. Diamond prospecting is the most recent field to which the use of atomic |  | | Journal (article/letter/editorial) | | ©2008 Society of Economic Geologists, Inc. Economic Geology, v. 103, pp. 1379â1381 REVIEWS Geological...Geological Atlas of Africa, with Notes on Stratigraphy, Tectonics, Economic Geology, Geohazards, Geosites and...and Geoscientific Education of Each Country. 2nd Edition. THOMAS SCHLĂTER. Pp 308, with CD-ROM. Springer-Verlag...-3540-76324-6.Price USD249.00. Geological Atlas of Africa, with Notes on Stratigraphy, Tectonics, Economic...Geohazards, Geosites and Geoscientific Education of Each Country is a four-color, revised and enlarged |  | Groves, D. I. (2008) Geological Atlas of Africa, with Notes on Stratigraphy, Tectonics, Economic Geology, Geohazards, Geosites and Geoscientific Education of Each Country. 2nd Edition.: THOMAS SCHLUTER. Pp 308, with CD-ROM. Springer-Verlag, Berlin, Germany. 2008. ISBN 9787 -3-540-76324-6.Price USD249.00. Economic Geology, 103 (6) 1379 doi:10.2113/gsecongeo.103.6.1379 | Journal (article/letter/editorial) | | ©2008 Society of Economic Geologists, Inc. Economic Geology, v. 103, pp. 1379â1381 REVIEWS Geological...Geological Atlas of Africa, with Notes on Stratigraphy, Tectonics, Economic Geology, Geohazards, Geosites and...and Geoscientific Education of Each Country. 2nd Edition. THOMAS SCHLĂTER. Pp 308, with CD-ROM. Springer-Verlag...-3540-76324-6.Price USD249.00. Geological Atlas of Africa, with Notes on Stratigraphy, Tectonics, Economic...Geohazards, Geosites and Geoscientific Education of Each Country is a four-color, revised and enlarged |  | | Journal (article/letter/editorial) | | com/locate/lithos Samples of Proterozoic iron-enriched mantle from the Premier kimberlite K.O. Hoal * Hazen Research...populations of mantle xenoliths from the Proterozoic Premier kimberlite show an absence of potassic metasomatism...and contain Fe mica and aluminous amphibole instead of Mg-phlogopite and K-richterite. These features are...beneath this part of the Kaapvaal craton ascribed to refertilization of the mantle. Upwelling of sublithospheric...Bushveld Igneous Complex is considered to be the source of silicate melt available for metasomatism. The resultant |  | | Book | | they seen as the ultimate symbol of love? Diamonds features some of the worldâs most famous and most...to celebrity events and weddings alike. A wonder of the natural world, these remarkable stones also play...History Museum, London All rights reserved. No part of this publication may be reproduced, stored in a retrieval...or otherwise, without the prior written permission of the Publisher. First printing Publisher Cataloging-in-Publication...index. Summary: A guide to the science and glamour of diamonds. Covers topics such as, why diamonds are |
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