 | | Journal (article/letter/editorial) | | almost invariably in the Merensky Reef and in Stillwater, whereas Ru sulfide is abundant in ophiolites...Merensky Reef, Driekop (Tarkian and Stumpfl 1975), Stillwater (Volborth et al. 1986) and the Witwatersrand...V:SE Borneo ($tumpfl 8, Torkian 1973) lII : Driekop Mine, Bushveld (Torkian¢$tumpf11975 I l,]I; $orashigawo...t - - P d sulfides from the Merensky Reef and Stillwater (Fig. 6) reveals that members of the braggite...are lacking in the Merensky Reef, whereas in Stillwater the complete solid solution series including |  | | Journal (article/letter/editorial) | | Pt–Pd SULFIDE IN THE J–M REEF OF THE STILLWATER COMPLEX, MONTANA Chusi LI and Edward M. RIPLEY Department... Indiana 47401, USA Abstract Pt–Fe alloy (Pt3Fe) in the J–M Reef of the Stillwater Complex, as exposed...exposed in the Stillwater mine, in Montana, occurs intergrown with secondary Fe–Ni–Cu sulfide; together,... they replace a Pt–Pd sulfide (braggite or cooperite). It also appears as discrete grains associated...only a minor amount of alteration (<5 vol.%) at the mine, whereas the discrete grains of the Pt–Fe alloy |  | | Report (issue) | | Pd0.27 Ni0.14 )Σ=1.01 S1.00 . (2) Stillwater complex, Montana, USA; by electron microprobe, corresponding...Forms a series with vysotskite; dimorphous with cooperite. In layered mafic intrusives, formed at high...magmatic temperatures. Association: Sperrylite, cooperite, laurite, platinum (Potgietersrus district, South...chalcopyrite, cubanite, nickelian mackinawite, gold, cooperite, vysotskite, moncheite, isoferroplatinum, kotulskite...keithconnite, palladian tulameenite (Stillwater complex, Montana, USA). Distribution: One of most common |  | | Report (issue) | | Cooperite (Pt, Pd)S c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Tetragonal. Point...Pd0.01 Ni0.03 )Σ=1.02 S0.98 . (2) Stillwater complex, Montana, USA; by electron microprobe, corresponding...Freetown complex, Sierra Leone. From the Stillwater complex, Montana; at the junction of the Trinity and Klamath...at Snelling and Cressy, Merced Co., California, USA. In Canada, in the Lac des Iles complex, Ontario...district, British Columbia. In Russia, in the Severnyi mine, Noril’sk region, western Siberia; at the Konder |  | | Report (issue) | | Russia; by electron microprobe. (2–3) Stillwater complex, Montana, USA; by electron microprobe. Polymorphism...Chalcopyrite, millerite, nickelian pyrite, linnaeite, cooperite (Noril’sk region, Russia); pentlandite, pyrrhotite...cubanite, nickelian mackinawite, gold, braggite, cooperite, moncheite, isoferroplatinum, kotulskite, keithconnite...palladian tulameenite (Stillwater complex, Montana, USA); hongshiite, cooperite, sperrylite, isomertieite...the Upper and Banded portions of the Stillwater complex, Montana; from near Moapa, Clark Co., Nevada; |  | Cabri, Louis J., Laflamme, J. H. Gilles, Stewart, John M., Turner, Kent, Skinner, Brian J. (1978) On cooperite, braggite, and vysotskite. American Mineralogist, 63 (9-10) 832-839 | Journal (article/letter/editorial) | | AmericanfrIineralogist,Volume63, pages832-839,I 978 On cooperite,braggite,and vysotskitel Louts J. Cesnt, J. H...Abstract phase Detailedmineralogicalanalysesol cooperite,braggite,and vysotskite,togetherwith of identity...uncertaintyregarding to be PdS vysotskite (Pt,Pd)S and cooperite(PtS;P4r/mmc),one may considerbraggite (Pd,Pt)S(P4z/m)'...not documented in detail, from the Stillwater Complex of Montana (Cabri and Laflamme, 1974) and the Lac...three minerals from the Precambrian Stillwater Complex of Montana. Pageet al. (1976) discussedthe variations |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology (2000) 68: 63±73 Synthetic ``Cooperite'', ``Braggite'', and ``Vysotskite'' in the system...observed at 1100 C are ``cooperite'' and a melt, at 1000 C ``cooperite'', ``braggite'', and a melt...melt and at 900 C ``cooperite'', ``braggite'', ``vysotskite'', Ni1ÿxS, and a melt. At 1100 C the maximum...Pd-free ``cooperite'' is 2.7 atomic per cent and the Pd-content limit in Nifree ``cooperite'' is 12.8...ideal, Pd-free ``cooperite'' is 3.3 atomic per cent and the Pd-content in Ni-free ``cooperite'' is 13.7 atomic |  | | Journal (article/letter/editorial) | | L E Roland K.W. Merkle Æ Sabine M.C. Verryn Cooperite and braggite from the Bushveld Complex: implications... Abstract Analyses of the Pt-Pd±Ni sulphides cooperite, braggite, and vysotskite reported from worldwide...continuum of compositions between vysotskite and cooperite, with no obvious miscibility gap. This is contrary...between cooperite and braggite, and the established compositional gap between co-existing cooperite and braggite...only unambiguous way of distinguishing between cooperite and braggite is to obtain structural information |  | | Journal (article/letter/editorial) | | formation of actinolite/tremolite, and then, cooperite and moncheite were altered to Pt–Fe alloy where...(PdTe), sperrylite (PtAs2), irarsite (IrAsS), cooperite (PtS), sudburyite (PdSb), and Pt–Fe alloy. Primary...(PGE) district in Siberia, and the Stillwater Complex in the USA, is commonly thought to be magmatic...Bushveld Complex (Li et al. 2004) and JM reef in the Stillwater Complex (Boudreau and McCallum 1992; Meurer et...Bi)] (2 grains), sperrylite (PtAs2) (2 grains), cooperite (PtS) (one cluster of grains) and sudburyite (PdSb) |  | | Report (issue) | | Pd0.28 )Σ=0.88 (Te1.56 Bi0.44 )Σ=2.00 . (2) Impala mine, Transvaal, South Africa; by electron microprobe...(Pt0.88 (Te1.72 Bi0.28 )Σ=2.00 . (3) Stillwater complex, Montana, USA; by electron microprobe, corresponding...michenerite, kotulskite, froodite, sperrylite, cooperite, laurite, braggite, insizwaite, gold, pyrrhotite...Tundra, Kola Peninsula [TL]; and at the Oktyabr mine, Noril’sk region, western Siberia. In South Africa...Transvaal. In the USA, at the Stillwater complex, Montana; from the New Rambler Cu–Ni mine, Medicine Bow |  | Cowden, A., Ruddock, R., Reay, A., Nicolson, P., Waterman, P., Banks, M. J. (1990) Platinum mineralisation potential of the Longwood Igneous Complex, New Zealand. Mineralogy and Petrology, 42 (1) 181-195 doi:10.1007/bf01162690 | Journal (article/letter/editorial) | | gabbro zones within the Banded Series of the Stillwater Complex. The mineralised rocks are leucocratic...style and its host rocks to the JM Reef of the Stillwater Complex and AP and PV mineralisation of the Penikat...Anorthosit-Troktolit-Olivin-GabbroAbfolge der Banded Series des Stillwater Komplexes. Die mineralisierten leukokraten Gesteine...Mineralisation und ihrer Nebengesteine mit dem JM Reef des Stillwater Komplexes und der AP und PV Mineralisation in...sulphide minerals range from stoichiometric PtS, Cooperite through to the Braggite series with up to 43.9~o |  | | Report (issue) | | 856(1) Z=4 X-ray Powder Pattern: Stillwater complex, Montana, USA. 0.7874 (100), 0.8623 (80), 0.8847...Rh (1) 59.6 41.7 Total 101.3 (1) Stillwater complex, Montana, USA; by electron microprobe, corresponding...found in heavy mineral concentrates (Stillwater complex, Montana, USA). Association: Platinum, Pt–Fe alloy...alloy, gold, moncheite, kotulskite, merenskyite, cooperite, braggite, vysotskite, sperrylite, pyrite, chalcopyrite...graphite (Stillwater complex, Montana, USA). Distribution: In the USA, from the Stillwater complex, Montana |  | Li, C., Ripley, E. M., Merino, E., Maier, W. D. (2004) REPLACEMENT OF BASE METAL SULFIDES BY ACTINOLITE, EPIDOTE,CALCITE, AND MAGNETITE IN THE UG2 AND MERENSKY REEF OF THE BUSHVELDCOMPLEX, SOUTH AFRICA. Economic Geology, 99 (1) 173-184 doi:10.2113/gsecongeo.99.1.0173 | Journal (article/letter/editorial) | | contact UG2-1155.35 3 cm above the base of UG2 Mine name and sample number Not examined 4 sulfides...Chr-2 Pl Po Chr-1 Ep Pl Ep Cp Western Platinum Mine MR-3 20 µm c 20 µm Impala MR-7 d Opx Pl Opx...relationships between a Pt-Pd sulfide solid solution (cooperite [PtS] and braggite [PdS] as end members) and base...replacement aureoles are also observed. Most cooperite and braggite occur as inclusions in base metal...replaced by epidote, actinolite, or tremolite, cooperite and braggite remain to form the characteristic |  | | Journal (article/letter/editorial) | | defined from a study of five Jaska, and from the Stillwater Complex, Mon_ ric, and hard, probably having...chromitites of reported.by.Page and the Stillwater Complex, Montana, was recently and Desborough has found...is briefly deThe occurrenceof Gooinews Bay and stillwater chemical composition and ore scribed in this...standard etch reagents. Grains of GoodnewsBay and Stillwater laurite were inadequately isolatable or too small...flawless areas. 3, very slightly flawed. 4 Stillwater Complex, Montana; H chromitite zone, Mountain View area |  | Johan, Z., Ohnenstetter, M., Slansky, E., Barron, L. M., Suppel, D. (1989) Platinum mineralization in the Alaskan-type intrusive complexes near Fifield, New South Wales, Australia part 1. platinum-group minerals in clinopyroxenites of the Kelvin Grove prospect, owendale intrusion. Mineralogy and Petrology, 40 (4) 289-309 doi:10.1007/bf01164604 | Journal (article/letter/editorial) | | erlichmanite, isoferroplatinum, tetraferroplatinum, cooperite, cuprorhodsite, malanite, geversite, sperrylite...The early PGM (erlichmanite, (Pt-Fe) alloys, cooperite) were deposited from a fluid-rich system slightly...fluid phase. These minerals extensively replace cooperite and locally remobilize the PGE stock. Isoferroplatinum...and cobaltite. They are extensively replacing cooperite, but are in equilibrium with geversite-sperrylite...erlichmanite, isoferroplatinum, tetraferroplatinum, cooperite, cuprorhodsite, malanite, geversite, sperrylite |  | | Journal (article/letter/editorial) | | Compositional variation of cooperite, braggite, and vysotskite from the Bushveld Complex SABINE M. C...The compositions of coexisting and individual cooperite (ideally PtS) and braggite (ideally (Pt,Pd)S)...Merensky Reef of the Bushveld Complex, as well as cooperite, braggite and vysotskite (ideally PdS) grains...is a clearly defined miscibility gap between cooperite and braggite, but no evident gap between braggite...and vysotskite. Partition coefficients between cooperite and braggite are determined on coexisting phases |  | | Report (issue) | | of Ultramafic and Mafic Rocks from the Stillwater Complex Montana Platinum, Palladium, and Rhodium Analyses...Ultramafic and Mafic Rocks from the Stillwater Complex Montana By Norman J Page, Leonard B. Riley, and...and rhodium ratios for each specimen from the Stillwater Complex, ~ont-------------------------------...1. Subdivisions and terminology used for the Stillwater Complex, ~ont--------------------2. Platinum...palladium, and rhodium analyses of rocks from the Stillwater Complex, ~ont ------------------------------ |  | 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...producer, followed by Noril'sk-Talnakh, Sudbury and Stillwater. If the operations in the Great Dyke reach their...followed by Sudbury, Canada, with 4.85 t Pt, and Stillwater, USA, with 2.61 t Pt (Fig. 1). The initial production...Bushveld 1997 Noril'sk-Talnakh 1997 Sudbury 1997 Stillwater 1997 Great Dyke 1997 Russian stockpiles and others...of the Bushveld Complex contributed 56.0 t Pd. Stillwater, Sudbury and the Great Dyke, produced 8.16, 7 |  | | Report (issue) | | areas in the United States The Stillwater Complex* southwestern Montana ....... 8 The Duluth Complex...the potentially economic occurrences in the Stillwater Complex, Mont.; Duluth Gabbro Complex, Minn.;...in the Karoo beds, the Messina copper mine, Palabora copper mine which recovered about 2,765 troy ounces...complexes. the Stillwater, The Stillwater Complete, Southwestern Montana The Stillwater Complex, a large...ultramafic rocks of Precambrian age, is located in Stillwater, Sweetgrass, and Park Counties, south of Columbia |  | | Report (issue) | | Bonaccordite Braggite Bultfonteinite Clairite Cochromite Cooperite Djerfisherite [*) Effenbergerite Ferro-actinolite...zeolite Blue-Ironstone Bushmanite Columbomicrolite Cooperite Y Dutoitsp anite Erinite (of Van der Lingen) Framesite...Trinicdibisulite Tripalstibite Braggite Niggliite Cooperite Platarsite Geversite Stumpflite Niggliite Hollingworthite...Modderite (1924) Afwillite (1925) Maghemite (1927) Cooperite (1928) Stibiopalladinite (1929) Braggite (19321...California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture |  | | Journal (article/letter/editorial) | | (sperrylite); and sulphides and sulpharsenides (cooperite, laurite, braggite and hollingworthite). Platinum...main PGE-bearing phases as being sperrylite, cooperite, braggite and Pt- and Pd-bearing bismuthotellurides...94 0.ii n.d. 0.23 0.24 0.01 2.28 i00.~ Ii Cooperite R a n g e (i) (u) n.d. n.d. n.d. n,d. n.d. n...SULPHARSENIDES l Moncheite PtTe? Sperrylite PtAs? Cooperite PtS X Brag~ite (Pt,Pd) S X Maslovite PtBiTe...3) (N=~9) [ ]"~ SeJuk GreatDyke [~ Braggite Cooperite . . . . bchomber el*Sb Polar~le / X =UKI |  | | 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) | | such as the Bushveld (South Africa) and Stillwater (Montana) Complexes. In addition to the rare associated...wide array of other unusual minerals, including cooperite, laurite, kotulskite, merenskyite, iridium-osmium...mining in streams draining Mason Mountain, Macon County, North Carolina (Hidden 1898). It was ultimately...Centennial mines in the Medicine Bow Mountains, Albany County, Wyoming. An odd hydrothermal “vein” sperrylite...Great Eastern mine, Clark County, Nevada. It is an ore mineral in the active Pt-Pd mine and related occurrences |  | Wernette, B.W., Ripley, E.M., Li, C., Wintsch, R.P. (2018) Strongly negative δ34S values associated with secondary pyrite above and below the J-M Reef, Stillwater Complex, Montana. Chemical Geology, 493. 58-66 doi:10.1016/j.chemgeo.2018.05.023 | Journal (article/letter/editorial) | | pyrite above and below the J-M Reef, Stillwater Complex, Montana B.W. Wernette, E.M. Ripley, C. Li, R...pyrite above and below the J-M Reef, Stillwater Complex, Montana. The address for the corresponding author...Pyrite Above and Below the J-M Reef, Stillwater Complex, Montana IP T Wernette, B.W.1†, Ripley, E.M...Indiana University, Bloomington, Indiana 47405, USA US † – current address: Division of Earth and Ocean...North Carolina 27708, USA AC CE PT ED M AN Keywords: Sulfur isotopes, Stillwater Complex, J-M Reef |  | | Journal (article/letter/editorial) | | encountered in the experimental runs are synthetic cooperite [(Pt,Pd,Ni)S], synthetic braggite [(Pt,Pd,Ni)S]...quenched sulfide liquid, and Ni1–xS. Synthetic cooperite is stable to temperatures above 1200°C, whereas...the system PtS–PdS– NiS, Ni-saturated synthetic cooperite, braggite, and vysotskite coexist with Ni1–xS...synthetic cooperite coexists with Ni1–xS, and synthetic braggite and Pd-bearing synthetic cooperite coexist...temperatures ≥ 1000°C, Ni-saturated synthetic cooperite and braggite coexist with a Pd–Ni–Pt sulfide melt |
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