 | | Journal (article/letter/editorial) | | 00+0.00 A REVIEW OF THE MINERALS INDUSTRY IN ZIMBABWE T. J. VEASEY School of Chemical Engineering,...of the potential for the minerals industry in Zimbabwe. Some aspects of social and political factors...HISTORICAL BACKGROUND The minerals industry in Zimbabwe has its origins in ancient times and workings...the country - - the spectacular ruins of Great Zimbabwe. The ruins are a labyrinth of stone walls, fabricated...the fourteenth century the population of Great Zimbabwe probably exceeded ten thousand [1], with an economy |  | | 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...the Archaean granites, and greenstones of the Zimbabwe Craton (Figure 1). Aligned approximately NNE, |  | | Report (issue) | | interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke. Northern part of the Hartley Complex...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie. |  | | Journal (article/letter/editorial) | | mineralogy of platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 1. Primary distribution patterns...platinum-group element (PGE) mineralization. At the Hartley Platinum Mine, the MSZ is up to some meters thick and...Æ Main Sulfide Zone Æ Great Dyke Æ Hartley Platinum Mine Æ Zimbabwe Introduction Deposits of platinum-group...Bushveld Complex, South Africa). The Great Dyke of Zimbabwe (Fig. 1) constitutes the world’s second largest...economic-grade primary MSZ ores collected at the Hartley Platinum Mine. The present paper reports on the distribution |  | | 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 |  | Piña, R., Gervilla, F., Barnes, S.-J., Oberthür, T., Lunar, R. (2016) Platinum-group element concentrations in pyrite from the Main Sulfide Zone of the Great Dyke of Zimbabwe. Mineralium Deposita, 51 (7) 853-872 doi:10.1007/s00126-016-0642-3 | Journal (article/letter/editorial) | | from the Main Sulfide Zone of the Great Dyke of Zimbabwe R. Piña 1 & F. Gervilla 2 & S.-J. Barnes 3 & T...The Main Sulfide Zone (MSZ) of the Great Dyke of Zimbabwe hosts the world’s second largest resource of platinum-group...of the MSZ comprises pyrrhotite, pentlandite, chalcopyrite, and minor pyrite. Recently, several studies...other trace element contents in pyrite from the Hartley, Ngezi, Unki, and Mimosa mines of the Great Dyke...grains or clusters of crystals mostly within chalcopyrite and pentlandite, in some cases in the form of |  | 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) | | fl'om Switzerland, 178, 189. Almandine from Lake District, 209. Analcite from Co. Antrim, 301, 807. Anatase...163. of felspars, 189, 237, 253. Bornite from :Mashonaland, 111. - - - - BOW~IAI~ (I-I. L.), Calcite...Balia, xxxvi. Chabazite from Co. Antrim, 274. Chalcopyrite from Tavistock, 2. Chalybite from Tavistock... 372 INDEX TO V0L. XVI~ Copper-pyrites, v. Chalcopyrite. Copper sulphate, 321. Cornish minerals, 15...Tavistock, 6. Garnet from China, 51. from Lake District, 207. GEIKIE (J.), obituary, 865. Gem-stones, | | | Journal (article/letter/editorial) | | fl'om Switzerland, 178, 189. Almandine from Lake District, 209. Analcite from Co. Antrim, 301, 807. Anatase...163. of felspars, 189, 237, 253. Bornite from :Mashonaland, 111. - - - - BOW~IAI~ (I-I. L.), Calcite...Balia, xxxvi. Chabazite from Co. Antrim, 274. Chalcopyrite from Tavistock, 2. Chalybite from Tavistock... 372 INDEX TO V0L. XVI~ Copper-pyrites, v. Chalcopyrite. Copper sulphate, 321. Cornish minerals, 15...Tavistock, 6. Garnet from China, 51. from Lake District, 207. GEIKIE (J.), obituary, 865. Gem-stones, |  | | Book | | Redistribution in the Main Sulfide Zone of The Great Dyke, Zimbabwe T. Oberthür, F. Melcher 75-96 97-111 6. Placers...Systems: Refining the Classification Using McCreedy West Mine and Podolsky Project Case Studies 163-180 C.E...geochemical surveys M.L. Zientek, S.R. Corson, R.D. West 391-407 19. Exploration and Mining Perspective...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 |  | | Journal (article/letter/editorial) | | in the oxidized Main Sulfide Zone, Great Dyke, Zimbabwe Marek Locmelis & Frank Melcher & Thomas Oberthür...Great Dyke mafic/ultramafic layered intrusion of Zimbabwe, economic concentrations of platinum-group elements...Beneficiation . PGE oxides Introduction The Great Dyke of Zimbabwe is a 2,575.4±0.7-Ma-old mafic/ ultramafic layered...cutting Archean granites and greenstone belts of the Zimbabwe Craton (Prendergast 1988; Oberthür et al. 2002)...common sulfides are pyrrhotite, pentlandite, chalcopyrite, and pyrite that mainly form polyphase aggregates |  | 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...dominated by chalcopyrite and minor bornite in the Sonju Lake Intrusion and by pyrrhotite, chalcopyrite, pentlandite...intruded Archean granites and greenstone belts of the Zimbabwe craton (Worst 1960; Wilson 1996; Fig. 1a). Two...wt%) of disseminated sulfides (pyrrhotite + chalcopyrite + pentlandite ± pyrite) are closely associated |  | 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...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...of knowledge on the Great Dyke of Zimbabwe. The Great Dyke of Zimbabwe constitutes the world’s second largest |  | | Book | | Council Glossary of the minerals of the Lake District and adjoining areas B. Young NEWCASTLE UPON...siderite, Force Crag Mine, Braithwaite (MNS 4491) Back cover-'Daisy' gypsum, Birks Head Mine, Long Marton (MNS...Gill Mine, Caldbeck Fells (MNS 4492) (top right) Quartz, variety rock crystal, Carrock Fell Mine, Mosedale...(bottom left) Hematite, variety kidney ore, Nab Gill Mine, Boot (MNS 4490) (bottom right) ISBN O 85272 099...NG12 5GG Plumtree (060 77) 6111 Murchison House, West Mains Road, Edinburgh EH9 3LA 031-667 1000 Windsor |  | 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; |  | | Book | | MLP. (Michael P. Minerals of the English Lake District Caldbeck Fells Cumbria. Caldbeck. Mineral deposts...largely of debris washed down fromthe Roughton Gill mine dumps under Iron Crag C O N T E N INTRODUCTION...between Iron Crag on the east and Balliway Rigg on the west. Mineral veins crossing the gill have been worked...renowned. CALDBECK FELLS MINING DISTRICT The Caldbeck Fells mining district oceupies approxi— mately 25sqkm...25sqkm in the north—east of the English Lake District, some 12 km north—north—east of Keswick. Before 1974 |  | Oberthür, Thomas, Davis, Donald W., Blenkinsop, Thomas G., Höhndorf, Axel (2002) Precise U–Pb mineral ages, Rb–Sr and Sm–Nd systematics for the Great Dyke, Zimbabwe—constraints on late Archean events in the Zimbabwe craton and Limpopo belt. Precambrian Research, 113 (3) 293-305 doi:10.1016/s0301-9268(01)00215-7 | Journal (article/letter/editorial) | | for the Great Dyke, Zimbabwe —constraints on late Archean events in the Zimbabwe craton and Limpopo belt...Department, Uni6ersity of Zimbabwe, PO Box MP 167, Mount Pleasant, Harare, Zimbabwe Accepted 23 August 2001...interpretations of the crustal development of the Zimbabwe craton. Close temporal links between the intrusion...granitoids (Chilimanzi and Razi suites) of the Zimbabwe craton are indicated by the new precise age data...of the Northern Marginal Zone over the Zimbabwe craton. A west-to-east diachroneity in both thrusting |  | | Journal (article/letter/editorial) | | mineralogy of platinum-group elements at Hartley Platinum Mine, Zimbabwe Part 2: Supergene redistribution in...present in the Makwiro River close to the Hartley Platinum Mine indicates further mineralogical changes...Sulfide Zone Æ Placers Æ Great Dyke Æ Hartley Platinum Mine Æ Zimbabwe Editorial handling: O. Thalhammer...Espoo, Finland Introduction In the Great Dyke of Zimbabwe, economic concentrations of platinum-group elements...MSZ created in the course of mining at Hartley Platinum Mine. The present study focuses on the redistribution |  | | Journal (volume) | | caledonite crystals up to 4.5 mm tall from Red Gill Mine, Caldbeck Fells, Cumbria. Norman Thomson Collection...mm from the dump of Endeavour Level, Potts Gill Mine, Caldbeck Fells, Cumbria. Paul Nicholson Collection...Tindle 3-9 Zincolivenite from the Penberthy Croft Mine, Cornwall Jens C. Ø. Andersen and David Moulding...collected by Sir Kingsley Dunham from ‘Nentsbury Mine’, Nenthead, Cumbria Trevor F. Bridges 61-64 NOTE...NOTE Acicular baryte in the Cavanacaw Gold Mine, County Tyrone, Northern Ireland James A.S. McFarlane |  | | Journal (article/letter/editorial) | | WULFENITE FROM RUTHWAITE LODGE, GRISEDALE - A NEW LAKE DISTRICT OCCURRENCE. B. Young, B.Sc., B.G.S., Newcastle-upon-Tyne...Kingsbury and Hartley, Elsewhere 1984). in 1955 ; Braithwaite ____ et al. , 1963 and Hartley, the Lake District...District the mineral has been reported only from Hartsop Hall Mine, Patterdale (NY 395 119) (Russell...Ruthwaite Lodge Vein, Grisedale (NY 355 136) south-west of Glenridding, Ullswater. Here the mineral occurs...found on this dump include rosasite (Kingsbury & Hartley, 1957), linarite, malachite and cerussite. Quartz |  | | Journal (volume) | | prismatic mimetite crystals to 4mm from Dry Gill mine, Caldbeck Fells, Cumbria, collected in the 1970s...first British occurrence of kottigite, from Hilton Mine, Scordale, Cumbria Trevor F. Bridges and David I...3 4-38 A review of the mineralogy of Brae Fell Mine, Caldbeck Fells, Cumbria Trevor F. Bridges, David...L. Nattrass Hydronium jarosite from Brynycastell Mine, Dolgellau, Gwynedd, Wales Tom F. Cotterell 65-67...list of supergene minerals known from the Hilton Mine updated by these authors in the previous volume |  | | Journal (volume) | | characteristic trigonal sym metry, from Red Gill Mine, Caldbeck Fells, Cumbria, described by Bridges et...The Geology and Mineralization of the 51 Just District. Unpublished Ph.D. thesis, University of London...Tindle 3 A review of the mineralisation at Red Gill Mine, Caldbeck Fells, Cumbria, England Trevor Bridges...of kombatite, Pb14[(V04)209Cl4], from the "Wesley Mine" near Westbury on Trym, Bristol Michael Rumsey ...zeolite group minerals new to Britain from Whitesmith Mine, Strontian, Highland Region , Scotland David Green |  | | Book | | Gertisser, Peter Golley, David Green, Alan Hart, Jack Hartley, John Holbrook, Nigel Hoppe, Jana Horak, Mike Howe...meneghinile Pengenna mine,St Kew,Cornwall; Shallowfield Bridge,SouthMolton,Devon Tynebottom mine,Alston.CUm~ria...CUm~ria mercury Chatsworth mine,Grassinglon, Yorkshire Severallocalities in theLakeDistrictandComw melacinnabar...theLakeDistrictan:iCorrr::a!I natrojarosite Wanlhwaite mine,StJohn'sin theVale,Cumbria SouthTerrasmine,StStephen-in-Brannel...Cumbria pharmaco!ite Wanlhwaite mine,StJohn'sin theVale,Cumbria Chatsworth mine,Grassington, Yorkshire p:cropharmacolne |  | | 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...the mineralization. The PGE-enriched zone at Unki Mine is a ~10 m thick package of rocks ranging from gabbronorites...of sulfide mineralization likely occurred at Unki Mine with primary sulfides occurring in association with |  | | Journal (article/letter/editorial) | | bournonite intergrowths in galena from the English Lake District CHRIS J. STANLEY Department of Mineralogy, British...Devonian to Permian age elsewhere in the Lake District. The paragenetic sequence appears to have been...with later baryte, calcite, sphalerite, and chalcopyrite enclosed by galena. Within the galena occur...sulphides to secondaryminerals.Elsewherein the Lake District, galena occurring in this association also contains...associated with earlier veinscomposed dominantly of chalcopyrite,pyrite, and arsenopyrite. The inclusions make |
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