 | | Journal (article/letter/editorial) | | PLATINUM GROUP ELEMENT DEPOSIT IN THE STILLWATER COMPLEX, MONTANA (USA) Corey J. Wall†and James S. Scoates... BC V6T-1Z4, Canada Abstract The Stillwater Complex, Montana (USA), is one of the world’s largest layered...high-precision crystallization ages for the reef and the Stillwater Complex. All samples are coarse grained to pegmatitic...samples are indistinguishable within uncertainty: Frog Pond adit (2709.11 ± 0.56 Ma), East Boulder mine (2709...± 0.45 Ma). A U-Pb baddeleyite date from the Frog Pond adit sample (2708.85 ± 0.46 Ma) is identical within |  | | Journal (article/letter/editorial) | | AND MINERALIZATION IN THE J–M REEF, STILLWATER COMPLEX, MONTANA JOSEPH S. POLOVINA 1254 Wonder Court...the J–M Reef and its footwall in the Stillwater Complex, Montana. We used optical microscopy, scanning...petrography, geochemistry, layered intrusion, Stillwater Complex, Montana. SOMMAIRE Nous avons établi la minéralogie...J–M et les roches du socle du complexe de Stillwater, au Montana. A cette fin, nous avons utilisé la microscopie...complexe de Stillwater, Montana. INTRODUCTION The Stillwater Complex in south-central Montana is the host |  | | 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 |  | 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 |  | 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) | | 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 |  | | Report (issue) | | England Moscow, Russia London, Ontario Butte, Montana Modena, Italy Cape Town, Republic of South Africa...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...Platinum-Group Element Mineralization in the Stillwater Complex, Montana M.L. Zientek, R.W. Cooper, S.R. Corson...Barnes and Maier; Cawthorne et al., this volume), Stillwater Complex in United States (Zientek et al., this |  | | Report (issue) | | study area, Custer and Gallatin National Forests, Montana Edited by JANE M. HAMMARSTROM1, MICHAEL L. ZIENTEK2...Study Area, Custer and Gallatin National Forests, Montana U.S. Geological Survey Open-File Report 93-207...700 km2) of National Forest land in southwestern Montana adjacent to the northern part of Yellowstone National...elements. Mines in production in 1992 are the Stillwater mine (platinum, palladium, gold, rhodium, copper...exploration led to the discovery and development of the Stillwater mine and the discovery of gold-copper-silver |  | | Book | | Subsequent work by H.H. Hess and E.D. Jackson (Stillwater) and B.V. Lombaard (Bushveld) revealed problems...cycles. Similar cyclic units are present in the Stillwater, Great Dyke, Bushveld, Rum, Jimberlana, and other...the Merensky and J-M reefs in the Bushveld and Stillwater intrusions respectively, has also received much...proposed for the formation of cyclic units in the Stillwater intrusion in which each cyclic unit begins with...diffusively stratified magma (Wilson, 1992). In the Stillwater intrusion, it has been proposed that individual |  | | Report (volume) | | James M.D. Day Scripps Institution of Oceanography, USA Front-cover: Proton-induced X-ray emission maps...5251 Broad Branch Rd. NW Washington, DC 20015−1305 USA nbennett@ciw.edu Zoltan Zajacz 2 Department of...concentrations of PGE in sulfide horizons from the Stillwater and Bushveld complexes yield values of Di of...920–700 ºC, which highly concentrates Pd and Pt; moncheite (PtTe2) is the hightemperature PGM in this system...trace amounts of an accessory Pt–Pd–Te–Bi phase (moncheite– merenskyite, PtTe2–PdTe2; e.g., Lorand et al |
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