 | | Journal (article/letter/editorial) | | Main Sulfide Zone at Unki Mine, Shurugwi Subchamber of the Great Dyke, Zimbabwe: Evidence from Petrography...element (PGE) occurrence in the Great Dyke of Zimbabwe, the Main Sulfide Zone (MSZ), is a tabular stratabound...silicate composition study across the MSZ at Unki Mine in the Shurugwi Subchamber was conducted to help place...the mineralization. The PGE-enriched zone at Unki Mine is a ~10 m thick package of rocks ranging from...of sulfide mineralization likely occurred at Unki Mine with primary sulfides occurring in association |  | | Journal (issue) | | Geological Society of Zimbabwe G S Z Newsletter October 2019 No. 3 of 3 of 2019 The Chilojo Cliffs...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Province ………………..………….. Book Review – Mining in Zimbabwe – From the 6th to the 21st Centuries …. 5 7 ...Geology Department, University of Zimbabwe – Maideyi Meck …………… Midlands State University, Faculty of Engineering...Survey Department – Sokesimbone Lunga …...…………… Zimbabwe Geological Survey – New Publications …………………… |  | Oberthur, T., Weiser, T. W., Melcher, F., Gast, L., Wohrl, C. (2013) DETRITAL PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE. The Canadian Mineralogist, 51 (2) 197-222 doi:10.3749/canmin.51.2.197 | Journal (article/letter/editorial) | | PLATINUM-GROUP MINERALS IN RIVERS DRAINING THE GREAT DYKE, ZIMBABWE Thomas OBERTHÜR§, Thorolf W. WEISER, Frank MELCHER...in the Shurugwi area, possibly originate from the Archean chromitite deposits of the Shurugwi greenstone...and PGE-oxides (unstable). Keywords: Great Dyke, Zimbabwe, alluvial sediments, Pt-Fe alloy, Os-Ir-Ru alloy...Bushveld Complex of South Africa, the Sudbury district in Canada, and later Norilsk in Russia came into...intrusions (Bushveld, South Africa; Great Dyke, Zimbabwe; Stillwater, USA) that host the overwhelming proportion |  | | Journal (article/letter/editorial) | | Platinum-Group Element Mineralisation in the Great Dyke, Zimbabwe, and its Relationship to Magma Evolution and Magma...Prendergast 1 Carson Close, Greendale, Harare, Zimbabwe. e-mail: marprend@hotmail.com ABSTRACT The platinum-group...magma chamber. Introduction The Great Dyke of Zimbabwe contains the world’s second largest single resource...Mimosa mine is commencing major expansion, open-cast operations recently began at the Ngezi mine and further...further work is being carried out at the Unki prospect (see Figure 1 for locations of the principal deposits) |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter June 2016 No. 2 of 3 of 2016 Photo: Tim Broderick...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...– Honorary Member of the Geological Society of Zimbabwe – 26th February 2016 ..……………………………………………. Eulogy...12 16 NEWS Geology Department, University of Zimbabwe – Maideyi Meck …………… The Professor Tom Blenkinsop... 2 6 Geological Society of Zimbabwe Newsletter June, 2016 Editorial Brent Barber |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2012 Chirambakadoma and the Chewore Mountains...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...……………………………………………………… 4 ARTICLES AND REPORTS Zircon geochronology of late Archean komatiitic sills...and their felsic country rocks, south-central Zimbabwe: a revised age for the Reliance komatiitic event...Society of Zimbabwe – Historical Notes ………………………… 5 NEWS Geology Department, University of Zimbabwe ………………………………… |  | | Journal (article/letter/editorial) | | Sector of Mashava Igneous Complex in south central Zimbabwe from an investigation of its silicate minerals...Sector of Mashava Igneous Complex in south central Zimbabwe from an investigation of its silicate minerals...Sector of Mashava Igneous Complex in south central Zimbabwe from an investigation of its silicate minerals...economically important Mashava Igneous Complex (MIC) in Zimbabwe was conducted using petrographic and silicate...most important chrysotile asbestos occurrence in Zimbabwe after the Zvishavane Ultramafic Complex (e.g. |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2015 No. 3 of 3 of 2015 Heavy mineral concentrate...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ... ARTICLES AND REPORTS A Review of Diamonds in Zimbabwe – a Century On .................................11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck ……………… The Professor Tom Blenkinsop... ! ! ! ! ! ! ! ! ! 2 Geological Society of Zimbabwe Newsletter October, 2015 Editorial Welcome to |  | | Journal (article/letter/editorial) | | Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Thomas Oberthür Bundesanstalt für Geowissenschaften...Complex of South Africa and the Great Dyke of Zimbabwe. Samples were obtained underground, from core...Bushveld Complex, South Africa; the Great Dyke, Zimbabwe; the Stillwater grains, and they are ofthe subordinate...Bushveld Complex in South Africa, of the Sudbury district in Canada, and later Norilsk in Russia grand style...Bushveld Complex; South Africa; Great is Dyke; Zimbabwe; platinum-group minerals; Bushveld Complex in |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2017 No. 1 of 3 of 2017 The last great...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...collision for a Neoarcaean Limpopo orogen and Zimbabwe Craton since 2.75-2.74Ga ……… A field trip to the...11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck …………… The Professor Tom Blenkinsop...………………………………... 13 16 17 18 GEOLOGICAL SOCIETY OF ZIMBABWE - AGM ……………………….. 20 RESEARCH FUNDING OPPORTUNITIES |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter June 2014 Fig. 1. Digital elevation model (DEM) illustrating...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...development in the northern part of the Great Dyke, Zimbabwe ................................................Aeromagnetic Studies of the Filabusi Greenstone Belt, Zimbabwe Craton: Regional and Geotectonic Implications...………………… 6 6 NEWS Geology Department, University of Zimbabwe ……………………………….. The Professor Tom Blenkinsop UZ |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2014 The Victoria Falls Summer Symposium...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Talk summaries - Victoria Falls Summer Symposium, Zimbabwe, November 2013 .................................... 15 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter February, 2014 Editorial This Newsletter |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2013 Victoria Falls from on high. Photo:...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...AND REPORTS The first record of Native Silver in Zimbabwe ................................................4 5 5 NEWS Geology Department, University of Zimbabwe ……………………………….. 7 Mennell Society Field Trip, June...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter October, 2013 Editorial Not much |  | Stribrny, B., Wellmer, F. -W., Burgath, K. -P., Oberthür, T., Tarkian, M., Pfeiffer, T. (2000) Unconventional PGE occurrences and PGE mineralization in the Great Dyke: metallogenic and economic aspects. Mineralium Deposita, 35 (2) 260-280 doi:10.1007/s001260050019 | Journal (article/letter/editorial) | | redistributions should be kept in mind during planning and mine operation. Investigations of unconventional PGE...initial production from mines in the Great Dyke of Zimbabwe has yielded 2.1 t Pt. The remaining 9.54 t are...Russia Stillwater, USA Sudbury, Canada Great Dyke, Zimbabwe Kupferschiefer, Poland Bregu i Bibes, Albania...production, for example those of the Great Dyke, Zimbabwe, ± potential alternatives in the form of unconventional...mineralizations PGE in layered intrusions: the Great Dyke, Zimbabwe Geological setting The ca. 2.58-Ga-old Great Dyke |  | | Journal (article/letter/editorial) | | platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 2: Supergene redistribution in the oxidized...the Makwiro River close to the Hartley Platinum Mine indicates further mineralogical changes. Sperrylite...Æ Placers Æ Great Dyke Æ Hartley Platinum Mine Æ Zimbabwe Editorial handling: O. Thalhammer T. Oberthür...Espoo, Finland Introduction In the Great Dyke of Zimbabwe, economic concentrations of platinum-group elements...created in the course of mining at Hartley Platinum Mine. The present study focuses on the redistribution |  | | Journal (article/letter/editorial) | | in the Musengezi Subchamber of the Great Dyke, Zimbabwe M.D. Prendergast Guesachan, Shielhill Road, Kirriemuir...Great Dyke straddles the boundary between the Zimbabwe craton and the late Archaean Migmatitic Gneiss...and deformation along the northern edge of the Zimbabwe craton at ca. 2.57 to 2.62 Ga. Thrust deformation...IN THE MUSENGEZI SUBCHAMBER OF THE GREAT DYKE, ZIMBABWE Introduction The P1 Pyroxenite layer of the Great...operations (current or ‘moth-balled’) at Mimosa, Unki, Ngezi and Hartley in the southern and central parts |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S June 2015 Newsletter No. 2 of 3 of 2015 Fun was had by all...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Nickeliferous Archean Madziwa Igneous Complex, Northern Zimbabwe: Petrological Evolution, Magmatic Architecture...Society of Zimbabwe Annual Symposium 28/11/2014, Geology Department, University of Zimbabwe – Summaries...Ben Mapani ……….. The History of Mica Mining in Zimbabwe – Tim Broderick ………………….. Citation for the A.E |  | | Journal (issue) | | Geological Society of Zimbabwe G S Z Newsletter February 2018 No. 1 of 3 of 2018 An integrated... Keynote Address to the Geological Society of Zimbabwe 2017 Summer Symposium by Branko Corner www.geologicalsociety...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Zambia: Exotic terrane or a reworked segment of the Zimbabwe Craton? …………………………..………………. Southern Africa under...and Motor Mine - 2 December 2017 …………………………… NEWS Geology Department, University of Zimbabwe – Maideyi |  | | Journal (article/letter/editorial) | | Prospecting Ventures Ltd., Southerton, Harare, Zimbabwe With 11 Figures Received November 30, 1998; revised...Sublayers hinaus. Introduction The Great Dyke of Zimbabwe is the second largest resource of platinum group...cuts across the dominantly Archaean rocks of the Zimbabwe Craton (Fig. 1). The craton is bounded by the...Fig. 1. Location of the Great Dyke within the Zimbabwe Craton. The Zambezi and Limpopo metamorphic provinces...area east of the axis in close proximity to the Unki prospect shaft (Fig. 2). The two drill cores (MR87 |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter June 2013 The hand of Tom Blenkinsop – movement indicators...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...….. 12 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter June, 2013 Editorial Welcome to the...towards Zimbabwe Geology; and also to Luckmore Chiteshe for his winning project at the Zimbabwe School |  | | Journal (article/letter/editorial) | | mafic and ultramafic rocks that cuts across the Zimbabwe Craton (Fig. 1). The Craton comprises dominantly...Dyke and its chambers and subchambers within the Zimbabwe Craton. The inset marks the location of drill...axis of the Subchamber in close proximity to the Unki prospect shaft (Fig. 1). Both drill cores intersected...phlogopite, K-feldspar, quartz, apatite, rare rutile and zircon. The clinopyroxene and plagioclase occur mainly...hole intersections (Fig. 6b) in the vicinity of the Unki shaft exhibit a high degree of correlation for the |  | Li, Chusi, Ripley, Edward M., Oberthür, Thomas, Miller, James D., Joslin, Gregory D. (2008) Textural, mineralogical and stable isotope studies of hydrothermal alteration in the main sulfide zone of the Great Dyke, Zimbabwe and the precious metals zone of the Sonju Lake Intrusion, Minnesota, USA. Mineralium Deposita, 43 (1) 97-110 doi:10.1007/s00126-007-0159-x | Journal (article/letter/editorial) | | alteration in the main sulfide zone of the Great Dyke, Zimbabwe and the precious metals zone of the Sonju Lake...isotopes . Great Dyke . Sonju Lake Intrusion . Zimbabwe . USA Introduction The debate on the origin of...greenstone belts of the Zimbabwe craton (Worst 1960; Wilson 1996; Fig. 1a). Two U–Pb zircon studies of the intrusion...(2003). They were collected from the Hartley Platinum Mine in the Darwendale subchamber (Fig. 1c). In this...Darwendale Subchamber Harare Zimbabwe 0 Meter 19° S 1500 Mimosa Mine Local Road iver ro R Orthopyroxenite |  | Maier, W.D., Määttää, S., Yang, S., Oberthür, T., Lahaye, Y., Huhma, H., Barnes, S.-J. (2015) Composition of the ultramafic–mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and implications for the origin of the PGE reefs. Lithos, 238. 207-222 doi:10.1016/j.lithos.2015.09.007 | Journal (article/letter/editorial) | | ultramafic-mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and...ultramafic-mafic contact interval of the Great Dyke of Zimbabwe at Ngezi mine: Comparisons to the Bushveld Complex and...contact interval of the Great Dyke of Zimbabwe at Ngezi T mine: Comparisons to the Bushveld Complex...NU 1. SC R Sulfide Zone. The Great Dyke of Zimbabwe is one of the world’s largest layered mafic-ultramafic...Archaean granitoids and greenstone belts of the Zimbabwe craton at T about 2575 Ma (Mukasa et al., 1989; |  | | Journal (article/letter/editorial) | | Chromite deposits occurring near Kondapalle, Krishna district, AP. Jour. Geol. Soc. India, 12, 383387. Chaumba...Main Sulfide Zone at Unki Mine, Shurugwi Subchamber of the Great Dyke, Zimbabwe: Evidence from Petrography...Dharma Rao, C.V., Santosh, M., Dong, Y., 2011. U–Pb zircon chronology of the Pangidi–Kondapalle layered intrusion...S.R., 1964. Chromite from Kondapalle, Krishna district, Andhra Pradesh. Jour. Economic Geol, 59, 678-683...Kondapalli hills of the Krishna district and the Adjoining area of Khammam district, AP. Report Geol. Surv. India |  | | Book | | Redistribution in the Main Sulfide Zone of The Great Dyke, Zimbabwe T. Oberthür, F. Melcher 75-96 97-111 6. Placers...Refining the Classification Using McCreedy West Mine and Podolsky Project Case Studies 163-180 C.E.G...Sulfide Zone of the Great Dyke, Zimbabwe - Case Study of the Hartley Platinum Mine A.H. Wilson, R.T. Brown ...REDISTRIBUTION IN THE MAIN SULFIDE ZONE OF THE GREAT DYKE, ZIMBABWE T. Oberthür, F. Melcher INTRODUCTION GEOLOGICAL...REFINING THE CLASSIFICATION: USING McCREEDY WEST MINE, AND PODOLSKY PROJECT CASE STUDIES C.E.G. Farrow |
|
