 | | Report (issue) | | ZIMBABWE GEOLOGICAL SURVEY BULLETIN No. 90 The Erosion Surfaces of Zimbabwe L. A. LISTER, M.Sc., D.Phil...LIBRASÏ ZU - 06.01 Ölungen ïte Cstteilands 72& ZIMBABWE GEOLOGICAL SURVEY BULLETIN No. 90 iSRiC LIBRARY...Wagentngen, The Netherlands The Erosion Surfaces of Zimbabwe L. A. LISTER, M.Sc, D.Phil. ISSUED BY AUTHORITY...the erosion surfaces of Zimbabwe. She has lectured at the University of Zimbabwe since 1963 and this Bulletin...earlier authors had postulated. Cainozoic tilting in Zimbabwe, which raised the eastern margin of the country |  | | 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) | | PRE-BULAWAYAN METAMORPHITES In the area south and west of Selukwe, Stowe (1968, pp.17--22; 1971, p.379)...Victoria; (9) Ghoko; (10) Gatooma-Hartley; (11) Gwanda; (12) Gwelo; (13) Lonely Mine; (14) Lower Gwanda; (15)...Tod's Hotel; (P) Topisi; (Q) Triangle---Chiredzi;(R) West Tuli. morphism, noted by Oldham {1968, pp.189--190)...successions are noted, viz. 12 km in the Bulawayo District (Amm, 1940), 24 km at Hunters Road, Gwelo (Macgregor...regions. The pattern is obscured by sediments in the west and a Pan-African metamorphic overprint in the north |  | | Journal (article/letter/editorial) | | OBIGIKAL AETICLES. I.—NOTES ON THE GEOLOGY OF MASHONALAND AND MATABELELAND. By J. A. CHALMERS, A.R.S.M...last century, the Portuguese had settlements in Mashonaland, and that they both carried on mining operations...1017/S0016756800121107 194 Messrs. Chalmers 8f Hatch—Mashonaland 8f Matabeleland. The later facts of history...PHYSICAL FEATURES. The area of Matabeleland and Mashonaland, now consolidated, is upwards of 135,000 square...salubrious portions of Matabeleland and Mashonaland, stretches from south-west of Buluwayo, in a north-easterly |  | | 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)...from the base–metal refinery (Evans 2002). At Hartley Mine, the recovered grades of Pt and Pd from pristine |  | 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...intruded Archean granites and greenstone belts of the Zimbabwe craton (Worst 1960; Wilson 1996; Fig. 1a). Two...al. (2003). They were collected from the Hartley Platinum Mine in the Darwendale subchamber (Fig. 1c)....Darwendale Subchamber Harare Zimbabwe 0 Meter 19° S 1500 Mimosa Mine Local Road iver ro R Orthopyroxenite |  | | 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 |  | | 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) | | 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 |  | 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...other trace element contents in pyrite from the Hartley, Ngezi, Unki, and Mimosa mines of the Great Dyke... LA-ICP-MS . Main sulfide zone . Great Dyke . Zimbabwe Introduction Pyrite [FeS2] is a common minor...distribution of PGE in the deposits. In the Great Dyke of Zimbabwe, the world’s second largest resource of PGE after |  | | Journal (article/letter/editorial) | | setting of the Palaeoproterozoic Magondi Supergroup, Zimbabwe – Type locality for the Lomagundi carbon isotope...the Archaean granitoid-greenstone terrain of the Zimbabwe Craton and experienced deformation and metamorphism...deeper-water shelf to continental slope deposits in the west (Piriwiri Group). Based on the upward-coarsening...strike and, more dramatically, across strike to the west, reaching upper amphibolite to granulite facies...the Magondi Basin, the Limpopo Belt between the Zimbabwe and Kaapvaal cratons, and the Kheis Belt on the |  | | Journal (article/letter/editorial) | | observations on detrital PGM from the Makwiro River, Zimbabwe, have pointed to a low-temperature origin for...virtually Fe-free native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al....AND SAMPLE MATERIAL Gongo Soco was a famous gold mine in the 19th century (Henwood 1871, Hussak 1904);...predominantly of specular hematite and subordinate talc, kaolinite, quartz, goethite and manganese oxide...precursor to the native platinum in the Waterberg district of South Africa (Wagner 1929, McDonald et al. |  | | 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 |  | 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 | | 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 |  | | Report (issue) | | 3.9. (ii) Mawpyut Ultramafic Complex, Meghalaya WEST BENGAL 3.10. (i) Bagalia-Sonaijuri-Kashipur-Gopalpur...World. World production of PGM, 2007-2016. World mine production of PGM by country, 2016. Platinum prices...Geological map of Arumanalur area, Kanyakumari district, TN. Geological Map of Kadavur gabbro-anorthositic...of Oddanchattiram Ultramafic Complex, Dindigul district. Geological map of Kerala showing PGE exploration...and associated rocks around Rakahbdev, Udaipur District. Schematic flow sheet for Diagnostic Flotation |  | | Report (issue) | | each country having a major chromite deposit or district--------------------------------7. By economic...especially South Africa and Zimbabwe. • Eight industrialized countries4 that mine little or no chromite have...chromium (in the form of ores, 3 A captive mine is a mine that produces solely for the parent company...Japan, Norway, Spain, Sweden, the United States, and West Germany. 3 • • • • • • 5 sources of chromite...profit-motive criteria would normally result in mine closure. Chromite supplies have been disrupted. |  | | Journal (article/letter/editorial) | | oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar dating—Edwin...Igor M. Villa Isotope geochemistry of Proterozoic talc occurrences in Archean marbles of the Ruby Mountains...water composition at the Cripple Creek Mining District, Cripple Creek, Colorado—L. Edmond Eary, Donald...Trapping and mobilization of arsenic and lead in former mine tailings. Environmental conditions effects—A. Courtin-Nomade...dissolution of pyritic sludge from the Aznalcóllar mine (SW Spain)—C. Domènech, J. de Pablo, and C. Ayora |  | | 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...zones suggestive of sequential stacking towards the west. Shearing and associated metasomatism increase from...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 |  | | Journal (article/letter/editorial) | | metamorphism and assimilation in the Wellington district, N.S.W. I. Hybridizat,ion in the Wuuluman Creek...pennine-ferroantigorite-tromolite schist, antigorite-tremolite-talc schist, tremolite rock. BENSON, W. NOEL (1915a)...dolerites, spilites and keratophyres of the Nundle district: Linnean Sot. New South Wales Proc. 40, NO. 157...Proc. Wales. Part 5. The geology of the Tamworth district: 40, Xo. 159, 640-624. Wew South W&es: 3; labradorite...South Wales. Part. 7. The geology of the Loomberah district’ and a portion of the Goonoo Goonoo estate: Linnean |  | | Book | | 200 known here-holds the productive Mwadui diamond mine, known for Yeryfine, rare, pink diamonds. Emerald...Sapphire from Kenya 42 Ruby from Mangari, Tsavo West National Park, Kenya 44 Chapter 4. Emerald and...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 ...Williamson Mine and operations. 21 Figure 2.5. A 2. 9-carat pink diamond from the Williamson Mine. 25 Figure |  | | Book | | Sometimes, as observed by Mr. C. S. Wilkinson at a mine near Wagga Wagga, the plates are so exceedingly...was found early in 1876, at the " Wapping Butcher" Mine, near Parkes. For the accounts of Nos. 1 and Nos...Holtermann's mine 100 cwt. of gold had been raised in 200 cwt. of stuff. From the same mine a slab of vein-stuff...for the gold from 415 tons of vein-stuff from this mine were 16,279-63 ozs., value £63,234 12s. Krohmann's... raised 436 tons 9 cwt. of stuff, for which the mine returns were 24,079 ozs. 8 dwts. of gold, value |  | | 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) | | from the Paleoproterozoic Ubendian gneiss to the west of the Kapalagulu Intrusion to identify the metamorphic...There are other less well-known intrusions to the west of Lake Tanganyika in the Democratic Republic of...Clinochlore [ideally (Mg, Al)6(Si,Al)4O10(OH)8] and talc (ideally Mg3Si4O10) occur as isolated flakes or...than the Main Sulfide Zone of the Great Dyke in Zimbabwe or Main Sulfide Layer of the Munni Munni Complex...surface ores and pervasively oxidized MSZ at the Hartley mine, respectively. However, we are unable to confirm |
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