 | | Journal (article/letter/editorial) | | classification rocks. Nickel also occurs as a nickeloan magnetite. The Shanganideposit,the most recent nickel dis-...underlyingstratigraphicevolutionarycontrol. The Empress nickel-copperdeposit, which has Ideally, Arcbe... R. ANHAEUSSER ! I O, 5,010, km , / ! / Empress*, ',.,. RHODESIA Selukwe Ć / "NICKEL-COPPER...Asbestos x Gaths Asbestos KingAsbestos TrojanNickel Empress Copper-Nickel ā¢t. !SWAZILAND! t., r'L.... i ...Rhodesia(locatedin the Midlands greenstonebelt, intrusive granites. The Scotia Talc Mine in the halfway betweenthe |  | | Report (issue) | | BULLETIN 9 GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON.................................... 69 The Rawley mine......................................... 69 Location.................. . . . . . 69 Rock formations in mine and tunnel................... 74 Vein systems ....tunnel.......... . . . . . . . . . 86 The Antoro mine....... . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 89 The Cora mine. . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Nickeliferous Archean Madziwa Igneous Complex, Northern Zimbabwe: Petrological Evolution, Magmatic Architecture... am bia 30Ā°E 32Ā°E 100 km Fig.2 Eo M P Zimbabwe craton E Harare Mr Mutare 19Ā°S Bulawayo ...Introduction The Madziwa Igneous Complex in northern Zimbabwe comprises a regional group of nickeliferous, mafic-ultramafic...principal causal role in sulfide segregation at Madziwa mine and the camp was later cited as a type-example of...light of investigations carried out before final mine closure (including detailed mapping, walk-over surveys |  | | Journal (article/letter/editorial) | | Rhodesia. The occurrenceof gold at the Vubachikwe gold mine has been studied together with samplesof mineralized...Connemara, Empress, Marvel, Nelly 404, Pickstone, and Sherwood Starr mines. At the Vubachikwe mine the orebodies...Both he and Kleinot (1963), who later mappedthe mine in further detail,consideredthe gold to be of h...wasfaciI58 A detailed examination of the Vubachikwe mine has been made, and the stratigraphic situation...EXPLANATION The Vubachikwe Mine Geological setting The Vubachikwe mine is situated in the Gwanda greenstone |  | | Journal (article/letter/editorial) | | appears as violet patches and spots. Monazite, magnetite or ilmenite, garnet and biotite with probably...presence of radio-active substances. I kept an Ilford Empress photographic plate exposed in a dark box to a crushed...of the Black Mine. Professor W. G. Feamsides.āUnderground Contours of the Barnsley Mine. Joint Meeting...Hollows in the Surface of the Mountain Limestone District of Derbyshire and Staffordshire. Dr. P. G. H....appears as violet patches and spots. Monazite, magnetite or ilmenite, garnet and biotite with probably |  | | 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...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION ON...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features. ....Previous geologic and topographic work in the district. ____ ___________._-__-______--__. Field work...Gulch____.._____-----Sosthenes Gulch and Antoro mine __..-.-_ Vicinity of Round Mountain ____________..._________________. Southern part of district._____-______--_ Future exploration in the district.________---__._ Mines |  | | Report (issue) | | 195 Zambia . . . . . . . . . . . . . . . . 203 Zimbabwe . . . . . . . . . . . . . . . 213 Other Countries...of diversified experience in mineral exploration, mine design, development, and operations, as well as...chromite resulting from cutbacks in South Africa and Zimbabwe, and of phosphate rock owing to a lower output...cobalt, copper, and diamond; Zambia for cobalt; and Zimbabwe for chromium and lithium. U.S. exports to Africa...In Botswana, Gabon, Namibia, South Africa, and Zimbabwe, relatively successful diversification bas grown |  | | Journal (article/letter/editorial) | | RhodesiaCopperbelt................................... Mufulira Mine ................................................................................... Roan Antelope Mine ............................................. 909............................ 915 920 922 923 The Mine Series ...........................................mineral exploration for RhodesJanSelection Trust Mine Services Ltd., and from 1962 to 1963 he was SeniorGeologistfor...KATANGA SYSTEMS Kundelungu Series BASEMENT SYSTEMS Mine Series KATANGA SYSTEM Undifferentiated IGNEOUS |  | | Journal (article/letter/editorial) | | association with clay ļ¬occules. They observed that magnetite produced during thermal demagnetisation may obscure...obscure the recognition of any original magnetite component, and concluded that a direct ļ¬eld test of...dolostone is thermally labile and above 350 ā¦ C magnetite was produced from some iron minerals. Siderite...the origin. Notwithstanding the production of magnetite during thermal demagnetisation, the remanent magnetisation...tepee-like structure at site NF07 near the Nuccaleena mine yielded a Scos1 statistic for N = 10 that decreased |  | Pisarevsky, S. A., Wingate, M. T. D., Stevens, M. K., Haines, P. W. (2007) Palaeomagnetic results from the Lancer 1 stratigraphic drillhole, Officer Basin, Western Australia, and implications for Rodinia reconstructions. Australian Journal of Earth Sciences, 54 (4) 561-572 doi:10.1080/08120090701188962 | Journal (article/letter/editorial) | | magnetisations carried by ļ¬ne-grained hematite and magnetite. The overlying ca 610 ā 590 Ma Wahlgu Formation...palaeomagnetic study of core samples from the Empress 1A deep drillhole in the Officer Basin of Western...drillhole, Lancer 1, located 260 km northwest of Empress 1A, in the western Officer Basin (Figure 1). To... which lie at a higher stratigraphic level in Empress 1A (Stevens & Apak 1999). The Wahlgu Formation...in magnetic minerals, including production of magnetite from non-magnetic minerals such as pyrite or siderite |  | | Book | | tourmaline crystals from William Larsonās Stuart Mine in the Pala Mountains, California (USA). Next to...quartz from the hydrothermal deposits of the Muzo Mine, Colombia. Collection: Mineralogical Institute of...morganite and white quartz from the pegmatite of Queen Mine, San Diego County, California (USA). Collection:...this ornamental gem owes its name. It comes from a mine near Ylamaa, Finland. Museum a. d. Felsenkirche...birdās-eye view of the extensive Argyle Diamond Mine in northwest Australia. Open-cast mining areas are |  | | Report (issue) | | lead-silver-zinc district ______________ _ Geochemical prospecting ___ ._ ____________ _ Future of the district ___________________...___________________ _ Zinc Hill district ___________________________ _ Lee district _______________________________...Hills-----------------------------------Santa Rosa mine ______________________ _ Deposits in the Talc City...acknowledgments _________ _ Deposits in the Darwin district ______________ _ Geology~------------------------------...City' Hills. Geologic map and sections of the Darwin mine area. Map of part of 400 level and section of the |  | | Journal (article/letter/editorial) | | W-Greenland Empress Mine, near Mashava, Zimbabwe Empress Mine, near Mashava, Zimbabwe Tomka Mine, Orissa...Purnapani Mine, Orissa, India Mt.Gibson, W-Australia Mt.Gibson, W-Australia Broomstock Mine, near Kwe...Kwe Kwe, Zimbabwe Elvington Mine, near Chegutu, Zimbabwe E-Anshan, NE-China Qidashan, NE-China Lower Marra...systems: Interaction of seawater with fayalite and magnetite at 200-350Ā°C. Geochim. Cosmochim. Acta 45, 1977-1995 |  | | Report (issue) | | (sulphate of lead). Tombstone district, Cochise County; Gila County, at Lost Gulch Mine, near Globe; Mohave County...County, in Mineral Park;; Pima County, in Mammouth Mine, Schulty; Yavapai County, in ores of Bradshaw Mountains;...Mountains; Yuma County, in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite...Cruz County, at Montezuma and Empress of India mines, Tyndall district; Yavapai County, in ores of Bradshaw...Mountains; carries gold and some silver at McCabe mine. ASBESTOS (chrysotile ). Coconino County, associated |  | | Journal (article/letter/editorial) | | with visible magnetite grains and rare vesicles Very ļ¬negrained basalt with visible magnetite grains and...Feldspar appears slightly altered, 150 Ī¼m. a Empress 1 and 1A: GSWA sampling approval S31795. horizons...ļ¬ows are also present (Townson, 1985). In the Empress 1 and 1A drill cores the Table Hill Volcanics attain...intersecting the Table Hill Volcanics (Empress 1 and Empress 1A drill cores, GSWA; Table 1). The 12 Antrim...areaā. Samples 020 and S2-33, both with visible magnetite grains in hand specimen, are from locations in |  | | Journal (article/letter/editorial) | | upper maļ¬c series (gabbronorite, anorthosite, magnetite gabbros) Greenstone rocks with komatiites Hickman...geographical links with the ca 2.4 Ga Sebanga Poort Dyke (Zimbabwe), the Ringvassoy (Kola-Karelia) and du Chef dykes...chalcopyrite, chalcocite, native copper, bornite and magnetite (Keays and Campbell, 1981; Purvis and Moeskops...considered a smaller analogue of the Great Dyke of Zimbabwe (Campbell et al., 1970), due to its funnel-shape...nium deposit, currently the largest underground mine in Australia, with ore reserves of 473 Mt at 1.66% |  | | Journal (article/letter/editorial) | | footwall of the irruptive) have made the Sudbury District the greatest single producer of nickel since the...the balance being made up by cubanite, pyrite, magnetite and ilmenite. In the average Sudbury ore chalcopyrite...with pyrrhotite, pentlandite, ehaleopyrite and magnetite as main constituents. Some of these ultrabasie...area, Western Australia (McCALL, 1972), and the Empress Ni-Cu-deposit, Rhodesia (SrIAneE, 1964). 2.2. T...for certain sulfide assemblages of the Porcupine District, Ontario; the extremely heavy sulfide sulfur found |  | | Report (issue) | | August 1986, the development of a major new platinum mine was announced in South Africa (E.C.I. Hammerbeck...chromitite layer are to be exploited in the new mine to a depth of 2,700 meters below the surface. This...-----------------5. Proportions of total vvorld mine production of platinum-group metals accounted for...------------------------6. Platinum-group-metal mine production in countries having major deposits and...-----------5-6. Estimated cumulative and annual mine production of platinum-group metals: 5. For each |  | | Journal (article/letter/editorial) | | the Main Sulfide Zone (MSZ) of the Great Dyke, Zimbabweāsee Maier (2005) for a summary of global occurrences...UG2, JM No S S VB S S S S S MSZ S J Magnetite-gabbro-diorite Pyroxenite-norite Peridotite S-poor...cratons include the Kaapvaal (mainly PGE deposits), Zimbabwe (NiāCu and PGE), Yilgarn (NiāCu only), Superior...southern and central Africa, including the Kaapvaal, Zimbabwe, Tanzania and Congo cratons; and North America...world PGE reserves (BushveldāKaapvaal, Great DykeāZimbabwe). Other large 844 Miner Deposita (2011) 46:841ā857 |  | | Journal (article/letter/editorial) | | copper ļæ½nd II gl!-ngue." 'rHE present emperor and empress of Dai Nipon are, strata marcasite in others, but...KEROSENE ATTACHMENT FOR parts of the sea bed. Magnetite may here be menon March 9, 1894, and the general...him the honors of his posiĀ He may not take an empress, or Hogo-sama, tion. as she is called, from any...otherwise, women of unquestionable repute. The empress is the only one who IIlay legitiĀ· mately bear the...and share his honors. In 1870 the emperor and empress appeared in public together, though they rodeĀ·in |  | | Journal (issue) | | Photo on First Page Titanite. 5 x4.5 cm. Rudnaya mine, Saranovskoye deposit, Perm' region, Urals, Russia...bene eben ing 65 2. Johan Kjellman Gold: Voitsky Mine, Olonets, South Karelia, Russia .. ... . .. .. 72...Eāmail: minerals@obodda.com www.obodda.com WENDEL MINE Rees ste See Tucson us ā SainteāMarie ā 0...and geochemistry of granitoids of the Koschkar district in the South Urals and this review is still valid...vol. Accessory minerals are (average % vol.): magnetite (0.2ā0.3), apatite (ā0.05), almandine (0.014) |  | | Book | | USSR Academy of Sciences, Chernogolvka, Moscow district, U . S . S . H . J. Foden, Bureau of Mineral Resources...Rhodesia, Box M.P. 167, Mount Pleasant, Harare, Zimbabwe. R.W. Ojakangas, Department of Geology, University...O. B o x . MP. 1 6 1 , Mount Pleasant, Harare, Zimbabwe. B.F. Windley, Department of Geology, University...MINERALISATION IN THE EARLY PRECAMBRIAN CRUST OF ZIMBABWE J.F. Wilson and T.H.C. Nutt 555 MINERAL OCCURRENCES...631 LITHIUM PEGMATITES OF AMARESHWAR, RAICHUR DISTRICT, KARNATAKA, INDIA T.C. Devaraju, N. Rajshekhar |  | | Journal (article/letter/editorial) | | Pyritesreplacing quartz as well as replacedby it. 4. Magnetite and specularite. 5. Arsen0Pyrite6. Sphalerite... 464 JOSEPH E. A. KANIA. The rocks of the district are Culm (lower-Carboniferous) slatesintruded...slate with sulphides. Hidden Creek Mine, Anyox, B.C.47 This mine,duringthe last few years,averagedaroundoneand... and.I7 oz. Ag perton. The total production(the mine closedpermanentlyduring I935) was aroundtwenty-twomillion...Trans.,vol. 22, pp. x35-I54, I92o. Bancroft,J. A.: Mine Reporton the Geologyand Ore Depositsof the AnyoxMap |  | | Journal (article/letter/editorial) | | European acknowledgement. By the orders of the Empress, he immediately began to organize the grand Russian...1955. The chalcopyrite specimen from Zmeinogorskii Mine, Altai, from the collection of these two scientists... 13 x 7.5 x 4.5 cm. Fergana oblast', Margelan district, TuyaMuyun. FMM No. 21953. From collection of...x 3.5 cm. Perm' prov., Perm' district, Biserskii Zavod, Saranovskii Mine. FMM No. 9677. From A.E. Fersman's...label, 6 by 3.5 by 2 cm. Urals, Perm' prov., Iron Mine of Polevskoi Zavod. FMM No. 5835. From V.I. Vorob'ev |
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