 | | 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) | | optics, 257, 260. Albite fl'om Switzerland, 178, 189. Almandine from Lake District, 209. Analcite from...163. of felspars, 189, 237, 253. Bornite from :Mashonaland, 111. - - - - BOW~IAI~ (I-I. L.), Calcite...Tavistock, 6. Garnet from China, 51. from Lake District, 207. GEIKIE (J.), obituary, 865. Gem-stones,...(J. F. N.), Garnets and streaky rocks of Lake District, 207. GBOTn (P. YON), seventieth birthday, xxii...Africa) meteorite, 129. K6zu (S.), Dispersion of albite, 189. - - Dispersion phenomena and influence of | | | Journal (article/letter/editorial) | | optics, 257, 260. Albite fl'om Switzerland, 178, 189. Almandine from Lake District, 209. Analcite from...163. of felspars, 189, 237, 253. Bornite from :Mashonaland, 111. - - - - BOW~IAI~ (I-I. L.), Calcite...Tavistock, 6. Garnet from China, 51. from Lake District, 207. GEIKIE (J.), obituary, 865. Gem-stones,...(J. F. N.), Garnets and streaky rocks of Lake District, 207. GBOTn (P. YON), seventieth birthday, xxii...Africa) meteorite, 129. K6zu (S.), Dispersion of albite, 189. - - Dispersion phenomena and influence of |  | | 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. |  | 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 |  | | 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 |  | | 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 |  | | 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 |  | | 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) | | metamorphism and assimilation in the Wellington district, N.S.W. I. Hybridizat,ion in the Wuuluman Creek...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...possibilities of the occurrence of mineral oil: West Australia Geol. Surv. 93, 56 pp. Tt’. Australia: |  | | Journal (article/letter/editorial) | | 1985 Mineralisation at the Carrock Fell Tungsten Mine, N. England: Paragenetic, fluid inclusion and geochemical...WC1X 8NG Abstract. Tungsten ore at Carrock Fell Mine comprises wolframite and scheelite in polyminerallic...the Grainsgill Granite and environs Carrock Fell Mine, Cumbria (Fig. 1), the only economic tungsten mineralisation...Kingdom outside the Hercynian province of South-west England, produces wolframite and scheelite from...extracted from three principal veins named, from west to east, the Smith Vein, the Harding Vein and the |  | | Journal (article/letter/editorial) | | phase of Andean alluvium, northern Chile ADRtAN HARTLEY Department of Geology, University of Wales College...Sons, Ltd. Revised 5 February I991 190 A . HARTLEY ET A L . with other analcime-bearing sedimentary...alter to analcime. Further diagenesis results in albite or K-feldspar formation giving rise to a lateral...ranging from volcanic glass through zeolites to albite is observed (Walton 1975). Zeolite zonation is...sections geological, geochemical, mineralo- 192 A. HARTLEY ET A L . 220 Index M a p c' LEGEND 7P a c i |  | | Journal (article/letter/editorial) | | -*-^ at a distance of 121 miles from Sydney. To the west of the railway a small basic plutonic complex is...Parish of Ben Bullen, at a distance of If miles south-west of the railway station. 2. FIELD OCCURRENCE. Owing...rocks on the north and east, and to the west and south-west the outcrop is partly covered with quartzite...Miss G. A. Jophn— TABLE 3. Quartz . Orthoclase Albite . Anorthite Corundum Diopside Hypersthene . Magnetite...(Hessose, II (III).5.4.4(5).). Moyne Farm, Little Hartley. Anal. G. A. Joplin. Proa. Linn. Soc. N.S.W., lvi |  | | Journal (article/letter/editorial) | | Aigner, Andreas, Journal of Geomorphology, 5.55. Albite and other Authigenic Minerals in Limestone from...of the Long Mountain, 378. Avonian Succession at West bury-onTrym, S. H. Reynolds, 404. A AIN, A. D... Raistrick, Borrowdale Volcanic Series, J. J. Hartley, 283. Boulders in the Tertiary Formations of Ecuador...Smith, Lowest Carboniferous Rocks of the Wrekin District, 378. Brammall, A., Lime with other Oxides of...433. Carboniferous Succession in the Stonyhurst District, G. Waddington, 380. Cayeux, L., Iron Ores of |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | exposed in a synclinal area immediately to the north-west of Read's (1955) position for the Boyne Line. Their...leading from the production of syntectonic biotite-albite-sphene-iron ore schists, through a stage of static...Peach (1904) from the Tayvallich peninsula in south-west Argyll, and this horizon, lying as it does between...described from Tyrone by McCallien (1936) and Hartley (1938); Trendall (1953) has described green schists...sedimentary rocks, are exposed by the Blackwater, to the west of Ardwell Bridge (Grid Ref. NJ3783O8). Exposure |  | | Journal (article/letter/editorial) | | geological setting and location map of the Starra Mine Regional-scale, post peak metamorphic metasomatism...ironstones and the Answer Slate which lies to the west of the Staveley Formation and has been intruded...ironstones. Magnetite-rich ironstones occur in the west of the Staveley Formation and are known as the Western... D2 fold closures have not been observed in the mine region (Adshead 1996). The ironstones consist of...contacts and consist of elongated clasts of quartz-albite with a matrix of biotite (strongly altered to chlorite) |  | | 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 (article/letter/editorial) | | OF GKA.SMERE, WINDERMERE AND CONISTON. By]. ]. HARTLEY,1LEug., M.Sc., Assoc.M.lnst.C.E., F.G.S. (Read...same level. The area is bordered to the north and west by ground rising to levels of usually 2,500 to'... Stockdale Shales and the Silurian rocks. The district is thus one of marked topographical relief. The...and is about twelve square miles in area. This district was geologically surveyed during the years 1867...139. tNotes on the Geology 01 the English Lake District, Proc, Geol, Assoc., vol. xvi. (1900), p. 469 |  | | Journal (article/letter/editorial) | | their source region lies west or north of the BIF-dominated Griqualand West Basin of the Kaapvaal Craton...lowermost Permian Dwyka diamictite which crops out west of the Kalahari sands around Rietfontein, South...Craton and the younger Rehoboth Province to the west. The northern extent of the Kheis Province in Botswana...contours up to 15 km in the sand-covered region west of the Kalahari Line, which were interpreted by...Line from ~ 300 m in the east to 8–10 km in the west in Botswana. Rocks of the Karoo Supergroup and Nama |  | | Journal (article/letter/editorial) | | 2012; Bucholz et al. 2013; Mironov et al. 2015; Hartley et al. 2015). This process can occur on timescales...(Anderson and Brown 1993; Steele-MacInnis et al. 2011; Hartley et al. 2014; Moore et al. 2015; Wallace et al....(e.g., Esposito et al. 2011; Moore et al. 2015; Hartley et al. 2014; Tuohy et al. 2016). The ÂH2O in the...appeared to have trapped some portion of vapor. Hartley et al. (2014) and Moore et al. (2015) reported...vapor. In the most extreme example reported by Hartley et al. (2014) and Moore et al. (2015), the MI vapor |  | | Journal (article/letter/editorial) | | Ont P3E 2C6, Canada (lesher@sympatico.ca) 3750 West Greenwich Place, Palo Alto, CA, 94303, USA (czamrandg@earthlink...deposits near Cajamarca, including the giant Yanacocha mine and possibly smaller Sipan deposit, formed during...Miocene porphyritic stocks outside of the Yanacocha district have been identified in the region. The locations...ore bodies in the overall NE-trending Yanacocha mine were largely controlled by NW-trending structures...(tloutit@srk.com) 4 SRK Consulting, 1064 Hay St, West Perth, WA 6005, Australia (pwilliams@srk.com) 1 |  | | Journal (issue) | | Update on Emeralds from the Sandawana Mines, Zimbabwe J.C. (Hanco) Zwaan, Jan Kanis, and Eckhard J....Caspi 122 Gem Rhodochrosite from the Sweet Home Mine, Colorado Kimberly Knox and Bryan K. Lees pg. 99...from the Sweet Home mine near Alma, Colorado. Current exploration and minig at this mine, as well as the...accommodate 1,000 students and staff members. The new West Coast GIA Gem Trade Laboratory already employs more...issue, C. W. (Chuck) Fryer, a former director of the West Coast GIA Gem Trade Laboratory, retires as editor |  | | Journal (issue) | | and D. Millward 64 Cuprosklodowskite from Geevor mine, Cornwall N.J. Elton, J.J. Hooper and L. Coggon...sulpha tes in an underground level of Botallack mine. Krohnkite is present and this is believed to be...assemblages observed in material from the mine tailings around Bota llack mine and Wheal Cock. The supergene mineral... INTRODL'CTION Botallack mine (SW 363 336) in the St Just mining district, Cornwall (Fig. I), although...)~~~ BALLESWIDDEN MINE '\:;;:~. .F lGURE 1. Schematic geology of the St Just district (after Jackson et |
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