 | | Journal (article/letter/editorial) | | COMPOSITION OF PLATINUM-GROUP MINERALS IN THE J-M REEF, STILLWATER COMPLEX BÉLINDA GODEL,† Centre for Exploration...platinum-group element (PGE)–bearing J-M reef, Stillwater Complex (Montana). The aims of the study were to determine...Bushveld Complex (South Africa) and the Stillwater Complex (Montana) contain stratiform layers, or “reefs...elements (PGE). In both the Bushveld and the Stillwater Complexes, the PGE are found spatially associated...2004). In contrast to the Bushveld Complex, the Stillwater Complex (Fig. 1) has been affected by several |  | Barkov, A. Y., Fleet, M. E., Martin, R. F., Halkoaho, T. A.A. (2005) New data on "Bonanza"-type PGE mineralization in the Kirakkajuppura PGE deposit, Penikat layered complex, Finland. The Canadian Mineralogist, 43 (5) 1663-1686 doi:10.2113/gscanmin.43.5.1663 | Journal (article/letter/editorial) | | vysotskite–braggite series [PdS–(Pt,Pd)S], zvyagintsevite [Pd3Pb], a zvyagintsevite-like phase [(Pd,Pt)3(Pb,Cu)],...1 cm in length (Fig. 3) and associated with zvyagintsevite, unnamed Pd–Pb oxide, and PGE thiospinels,...Fennoscandian (Baltic) shield. Zvyagintsevite [Pd3Pb] Zvyagintsevite, one of the principal PGM in the...complex. braggite, (6) complex intergrowths of zvyagintsevite and unnamed Pd–Pb oxide, observed as large...expense of zvyagintsevite, or, locally, vice versa, with the precipitation of zvyagintsevite after the |  | | Report (issue) | | Zvyagintsevite (Pd, Pt, Au)3(Pb, Sn) c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic...the Upper and Banded zones of the Stillwater complex, Montana, USA. In the Kirakkajuppura deposit, Penikat...D., I.V. Murav’eve, and N.V. Troneva (1966) Zvyagintsevite, a natural intermetallic compound of palladium |  | | Report (issue) | | Association: Nielsenite, keithconnite, vasilite, zvyagintsevite, (Cu,Pd,Au), (Pd,Cu,Sn), (Pt,Fe,Cu,Pd) alloys...Reef, Stillwater Complex, Montana, and the South Kawishiwi intrusion, Duluth Complex, Minnesota, USA. In...composition of platinum-group minerals in the J-M Reef, Stillwater Complex. Econ. Geol., 103, 637-651. Mineralogical |  | | Journal (article/letter/editorial) | | violarite (Viol); (g) nielsenite (Cu3Pd), zvyagintsevite (Pd3Pb), and phase (Pd,Cu)9Pb(Te,S)4 in silicates...palladoarsenide, and less abundant hollingworthite, zvyagintsevite, electrum, and native gold and silver are noted...kotulskite, telluropalladinite, moncheite, zvyagintsevite, Pt–Fe and Pt–Pd–Cu–Fe alloys, tulameenite...Telluropalladinite Keithconnite Telargpalite Sopcheite Zvyagintsevite Irarsite Hollingworthite Platarsite Hessite...sulfides (Fig. 2e). Numerous grains of nielsenite, zvyagintsevite, and phase (Pd,Cu)9Pb(Te,S)4 are incorporated |  | | Journal (article/letter/editorial) | | telluride mineral from the Stillwater Layered Igneous Intrusion, Montana, U.S.A.†k Chris J. Stanley1...specimens from the Stillwater Layered Igneous Intrusion, Stillwater Valley, Montana, U.S.A. (45°23′11′′N...new mineral, layered intrusion, Howland Reef, Stillwater Complex Introduction Kojonenite, is a new mineral...Howland Reef of the Stillwater Layered Igneous Intrusion, Stillwater Valley, Montana, U.S.A. (45°23′11′′N...banded zone of the Stillwater Layered Igneous Intrusion also referred to as the Stillwater Complex and that |  | | Journal (article/letter/editorial) | | Braggite (Br (Pd, Pt, Ni)S) partly surrounded by zvyagintsevite (Zv Pd3Pb ) in the chromite-disseminated mineralization...palarstanide ((Pd, Pt)8(Sn, As, Pb)3 ) and zvyagintsevite (PdaPb) (Fig. 4B). Cu is a characteristic component...Isomertieite Stibiopalladinite Unnamed Palarstanide Zvyagintsevite Unnamed Hongshiite Isoferroplatinum Unnamed...data from Naldrett and Cabri, 1976), and the Stillwater J-M Reef (J-M, data from Naldrett, 1981). I ...53:303-323 Boudreau AE (1988) Investigations of the Stillwater Complex. IV. The role of volatiles in the petrogenesis |  | | Journal (article/letter/editorial) | | Au-Pd-Cu alloy, braggite, coldwellite, laurite, zvyagintsevite, laflammeite, and unknown phases Pd5As2, Pd3As...unpublished reports for Marathon PGM Corporation (now Stillwater Canada Inc., 2006 and 2007) and a report on Marathon...arsenopalladinite, palladoarsenide, keithconnite, zvyagintsevite, isomertieite, mertieite, coldwellite, Au-Pd-Cu...include kotulskite, palladinite, keithconnite, zvyagintsevite, and Ag-Au and Pt-Fe alloys. Twenty-five percent...listed in decreasing order of abundance are zvyagintsevite, isomertieite, arsenopalladinite, sobolevskite |  | | Journal (article/letter/editorial) | | Nelson Lead isotopes in sul®des from the Stillwater Complex, Montana: evidence for subsolidus remobilization...samples from the platiniferous J-M Reef of the Stillwater Complex were measured to elucidate the temporal...351310 University of Washington Seattle, WA 98195, USA e-mail: mccallum@u.washington.edu Editorial responsibility:...enrichment and redistribution in the J-M Reef of the Stillwater Complex. Previous measurements of the isotopic...chemical disturbance since their formation. The Stillwater Complex has been described in a recent review |  | | Journal (article/letter/editorial) | | South Africa; the Great Dyke, Zimbabwe; the Stillwater grains, and they are ofthe subordinate significance...Bushveld/Great Dyke scenario, and in all Complex, USA). Placer deposits in Russia and in Colombia were...modest contributions from Zimbabwe, Canada, and the USA. Contributing to the Debate Allogenic versus Authigenic...Africa; the Great Dyke, Zimbabwe; the Stillwater Complex, USA). Placer deposits in Russia and in Colombia...South Africa; the Great Dyke, Zimbabwe;onthe Stillwater Bushveld Complex in 1924 [5–8]. Today, Southand |  | | Journal (article/letter/editorial) | | 1974b, Rhodium, platinum and gold alloys from the Stillwater Complex: Canadian Mineralogist, v. 12, p. 399-403...palladium-arsenic-bismuthminerals from the' Stillwater Complex, Montana: Canadian Minproval of the Commissionon...Troneva, N. V., eralogist, v. 12, 299-303. 1966a, Zvyagintsevite, a natural intermetallic compoundof *Minerals...bismuthotellurides in the Merensky Reef at Rustenburg platinum mine in the western Bushveld: Mineralog. Mag., v. 35 |  | Todd, S. G., Keith, D. W., Le Roy, L. W., Schissel, D. J., Mann, E. L., Irvine, T. N. (1982) The J-M platinum-palladium reef of the Stillwater Complex, Montana; I, Stratigraphy and petrology. Economic Geology, 77 (6) 1454-1480 doi:10.2113/gsecongeo.77.6.1454 | Journal (article/letter/editorial) | | KEITH, L. W. LE RoY, Stillwater PGM Resources, 1826 Grand Avenue,Billings,Montana 59102 D. J. SCHISSEL...SCHISSEL, Department of Geology,Universityof Montana, Missoula,Montana 59812 E. L. MANN, Manville International...0861-0128/82/77/1454-2752.50 1454 J-M REEF, STILLWATER COMPLEX 1455 reachedcontinuous saturationwith...Unconformlty :+•*-1Granitlc Intrusions iOetgJ•'--J Stillwater Complex • Metamorphic rocks • Fault • Thrust...gite cumulate is General Stratigraphy of the Stillwater Complex pbaC. Althoughconvenient,this systemdoesrequire |  | | Journal (article/letter/editorial) | | sobolevskite-sudburyite 12. sperrylite,geversite 13. zvyagintsevite-atokite-rustenburgite Numbers refer to Table...Xingzhongite [66.85] 4.77 0.10 9.67 7.6 0.74 Zvyagintsevite 1.36 - [60.71] 13.93 - - Ru b) PG-minerals...(stippled) 200 V.D.C. Daltry and A. H. Wilson in zvyagintsevite (Watkinson and Ohnenstetter, 1992); only one...palladium telluride intergrowth from the Stillwater Complex, Montana. Econ Geol 69:257-262 Cabri L J, Laflamme...(1974b) Rhodium, platinum and gold alloys from the Stillwater Complex. Can Mineral 12:399-403 Cabri L J, Feather |  | | Journal (article/letter/editorial) | | similar to the well-known reefs in the Bushveld, Stillwater, Fedorova–Pana Tundras, and other mafic–ultramafic...layered intrusions, namely, reefs J–M of the Stillwater massif (United States); Ala–Penikka II of the...palladogermanide Pd2Ge, paolovite (8.1 wt % Ge), and zvyagintsevite (0.55 wt % Ge) are mentioned in (Spiridonov...wt %); cadmium was found as an impurity in zvyagintsevite (up to 1.4 wt %) and telargpalite (up to 0...numerous and diversified. Moncheite, kotulskite, zvyagintsevite, and tetraferroplatinum prevail in occurrence |  | | Journal (article/letter/editorial) | | mining operations and reworking of old chromite mine dumps from the lower group (LG) and middle group...the Mooinooi operation, as well as from the recent mine production from the nearby Millsell and Mooinooi...base metal sulfides of the chromite layer of the Stillwater Complex, Barnes et al. (2016) reported concentrations...originates both from current mining operations and from mine dumps. The dump feed at Millsell has an average... a zinc-tin-copper-lead ore from Mount Pleasant mine (MP-1b) from the Canadian Certified Reference Materials |  | | Journal (article/letter/editorial) | | IN THE UG-2 CHROMITITE: AN EXAMPLE FROM THE KAREE MINE, WESTERN BUSHVELD COMPLEX, SOUTH AFRICA Malte Junge...the sequence of the UG-2 chromitite at the Karee mine in the western Bushveld Complex was studied in detail...core transecting the UG-2 chromitite of the Karee mine (LONMIN) in the western 795 Submitted: June 11...Pretoria Pretoria Belfast Rustenburg 26°S Karee Mine 26° 27° Johannesburg 28° 29° 30° Fig. 1. Geologic...2-cm segments of the UG-2 from the Western Platinum mine and noted three distinct cycles of PGE mineralization |  | | Journal (article/letter/editorial) | | chalcopyrite-rich ore from the Copper Hill deposit in LaPlata County, and several are reports of early analyses of precious-metal...Breckenridge, Summit County, appears to be adequately documented with modern data. Montana is the only significant...underground mines in the Stillwater Complex of Sweetwater, Park, and Stillwater counties are operated in...City, Trinity County, and the smaller (11 grams) to the Klamath River in Siskiyou County. Other nuggets...dealer David New. Carl Francis photo. County. One Trinity County nugget almost 3 cm across and attributed |  | | Report (issue) | | England Moscow, Russia London, Ontario Butte, Montana Modena, Italy Cape Town, Republic of South Africa...relationships at the currently operating Lac de Iles mine (Ontario), the Marathon deposit in the Coldwell...(Ontario), and the formerly producing Salt Chuck mine (Alaska). They, thus, cover a range of deposit types...emplacement and solidification of the Stillwater Complex (Montana) are described and discussed by Zientek...Reef in the currently producing mines of the Stillwater Mining Company. The PGE mineralization in the |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...view showing the Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded...mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many fine crystal |  | Spiridonov, E. M., Ariskin, A. A., Kislov, E. V., Korotaeva, N. N., Nikolaev, G. S., Pshenitsyn, I. V., Yapaskurt, V. O. (2018) Laurite and Ir-Osmium from Plagioclase Lherzolite of the Yoko–Dovyren Mafic–Ultramafic Pluton, Northern Baikal Region. Geology of Ore Deposits, 60 (3) 210-219 doi:10.1134/s1075701518030078 | Journal (article/letter/editorial) | | sperrilite, insizwaite, niggliite, naldrettite, zvyagintsevite, in association with serpentine and chlorite–native...sperrylite, insizwaite, niggliite, naldrettite, and zvyagintsevite associated with phlogopite, pargasite, pentlandite...Similar laurite is common in chromitites of the Stillwater pluton in Canada (Talkington and Lipin, 1986)...close in composition to laurite from Bushveld and Stillwater chromitites. COMPARISON OF Ir-OSMIUM FROM THE...group minerals in chromite seams of the Stillwater Complex, Montana, Econ. Geol., 1986, vol. 81, pp. 1174–1186 |  | | Journal (article/letter/editorial) | | and Lukkulaisvaara intrusions similar to the Stillwater and Bushveld complexes. The PGE mineralogy of...in/ihnlicher Weise beeinflul3t haben, wie dies im Stillwater und Bushveld-Komplex der Fall war. Die PGE-Mineralogie...findings of Boudreau and McCallum (1989) at the Stillwater complex, where apatites containing more than...Lukkulaisvaara layered intrusions like the more familiar Stillwater and Bushveld complexes (e.g. Boudreau et al....YuP, BriWin S N (1991) A first occurrence of zvyagintsevite in the Karelia-Kola region. Dokl Akad Nauk |  | Junge, Malte, Oberthür, Thomas, Kraemer, Dennis, Melcher, Frank, Piña, Ruben, Derrey, Insa T., Manyeruke, Tawanda, Strauss, Harald (2019) Distribution of platinum-group elements in pristine and near-surface oxidized Platreef ore and the variation along strike, northern Bushveld Complex, South Africa. Mineralium Deposita, 54 (6) 885-912 doi:10.1007/s00126-018-0848-7 | Journal (article/letter/editorial) | | oxidized and pristine Platreef ore from the Mogalakwena mine were studied. Further, sulfides and platinum-group...Nonnenwerth were compared to those of the Mogalakwena mine (Overysel, Sandsloot). In the pristine ore, PGE...oxidized to pristine Platreef ores from the Mogalakwena mine were investigated by whole-rock geochemistry, ore...sample locations of the Platreef at the Mogalakwena Mine. Modified after Ashwal et al. (2005) and Maier et...of Pt and Pd during weathering in soils of the Stillwater Complex, Fuchs and Rose (1974) showed that Pd |  | | Report (issue) | | California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture...crystals in one mineralised pocket in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape...1960) and in the Barringer Hill pegmatite, Llano County, Texas, U.S.A (Marble, 1940). Manganoan varieties...1972); also from pegmatites at Ragged Peak, Tuolumne County, California, U.S.A (Hutton, 1951 a) and at Chari...(Hentschel, 1964); lnishcrone, County Sligo, Eire; from Scawt Hill and Carneal, County Antrim, Northern Ireland |  | | 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 |  | Konnikov, E. G., Meurer, W. P., Neruchev, S. S., Prasolov, E. M., Kislov, E. V., Orsoev, D. A. (2000) Fluid regime of platinum group elements (PGE) and gold-bearing reef formation in the Dovyren mafic-ultramafic layered complex, eastern Siberia, Russia. Mineralium Deposita, 35 (6) 526-532 doi:10.1007/s001260050259 | Journal (article/letter/editorial) | | mineralization related to sparsely disseminated sul®des (Stillwater type). The distribution of gases trapped in micro-inclusions...in¯uenced the deposition of stratabound PGE (Stillwater-type) mineralization related to ``reefs'' within...elucidate the ¯uid regime of the newly discovered Stillwater-type PGE mineralization in the Dovyren dunite±troctolite±gabbro...hydroxyl-bearing minerals are rare. The sul®de-poor Stillwater-type PGE mineralization occurs at four levels...represented by tetraferroplatinum, tulameenite, zvyagintsevite, rustenburgite, and moncheite. The precious-metal |
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