 | Czamanske, Gerald K., Bennett, Pauline C., Zientek, Michael L., Weiblen, Paul W., Havach, George A., Foose, Michael P. (1986) Comprehensive bibliographies on mineralized and unmineralized layer mafic intrusions in the United States. Open-File Report Vol. 1986 (86-589) US Geological Survey doi:10.3133/ofr86589a | Report (issue) | | mineralization or ore deposit or dissemination or mine ultramafic or ultrabasic or dunite or peridotite... The Duluth Complex, Minnesota, and the Stillwater Complex, Montana, are given separate status in this contribution...bibliography on the Stillwater Complex is an update of the comprehensive bibliography in Montana Bureau of Mines...Special Publication 92, entitled "The Stillwater Complex, Montana: Geology and Guide." The bibliography...1986. All citations in the bibliography on the Stillwater Complex have been carefully checked for accuracy |  | | Report (issue) | | Custer and Gallatin National Forests, South-Central Montana compiled by Bradley S. Van Gosen1 Open-File Report...references ...................................... 5 I. Stillwater Complex .......................................Absaroka-Beartooth study area in south-central Montana ... 4 INTRODUCTION This bibliography lists more...Mountains and Absaroka Range in south-central Montana. It was compiled during an evaluation of the mineral...ABSA, The 12 categories are: I. Stillwater Complex. The Stillwater Complex (fig. 1) is a geologically |  | | 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 |  | Christopher Jenkins, M., Mungall, James E., Zientek, Michael L., Holick, Paul, Butak, Kevin (2020) The Nature and Composition of the J-M Reef, Stillwater Complex, Montana, USA. Economic Geology, 115 (8). 1799-1826 doi:10.5382/econgeo.4777 | Journal (article/letter/editorial) | | Nature and Composition of the J-M Reef, Stillwater Complex, Montana, USA M. Christopher Jenkins,1,2,ā James...Washington 99201, USA 3Stillwater Mine, Sibanye-Stillwater, 2562 Nye Rd., Nye, Montana 59061, USA Abstract...Abstract In this contribution, we analyze 30 years of mine development data and quantitatively identify the processes...mineralization in the J-M reef horizon of the Stillwater Complex along the strike and down the dip of...area of the Stillwater mine. We compare these results with data from the East Boulder mine and whole-rock |  | | Journal (article/letter/editorial) | | isochemicalāāiso-isotopicā reactions of calcite + quartz to form graphite + wollastonite. In many deposits, carbonās structure...structure attains well-ordered, nearly perfect graphite crystallinity. The carbon isotope composition of...mantle carbon as measured in diamonds. KEYWORDS : graphite, hydrothermal ore deposits, carbon isotopes INTRODUCTION...INTRODUCTION Among geochemists and petrologists, graphite has a reputation as a refractory mineral. As heating...matter is converted to well-crystallized graphite. Graphite persists as a stable mineral to the highest |  | Kojonen, K. K., Roberts, A. C., Isomaki, O.-P., Knauf, V. V., Johanson, B., Pakkanen, L. (2004) Tarkianite, (Cu,Fe)(Re,Mo)4S8, a new mineral species from the Hitura mine, Nivala, Finland. The Canadian Mineralogist, 42 (2) 539-544 doi:10.2113/gscanmin.42.2.539 | Journal (article/letter/editorial) | | Fe)(Re,Mo)4S8, A NEW MINERAL SPECIES FROM THE HITURA MINE, NIVALA, FINLAND KARI K. KOJONENĀ§ Geological Survey... OLLI-PEKKA ISOMĆKI Outokumpu Mining Oy, Hitura Mine, FINā85560 Ainastalo, Finland VLADIMIR V. KNAUF...in sulfide concentrate from the Hitura NiāCuāPGE mine, Nivala, western central Finland. It is associated...electron-microprobe data, reflectance data, Hitura mine, Nivala, Finland. SOMMAIRE Nous dĆ©crivons la tarkianite...rĆ©cemment dans un concentrĆ© de sulfures provenant de la mine Ć NiāCuāEGP de Hitura, prĆØs de Nivala, dans le centre-ouest |  | | Journal (article/letter/editorial) | | High-temperature carbonate minerals in the Stillwater Complex, Montana, USA Hannah M. Aird ā¢ Alan E. Boudreau...platiniferous Johns-Manville (J-M) reef of the Stillwater Complex in a stratigraphic section that has been...Ocean Sciences, Duke University, Durham, NC 27708, USA e-mail: hannah.aird@duke.edu them at a higher stratigraphic...important metal deposits, such as the J-M reef of the Stillwater Complex and the analogous Merensky reef of the...Keywords Igneous carbonates Igneous fluids Stillwater Complex Introduction A number of studies over |  | | Journal (article/letter/editorial) | | University, Department of Geology , Durham, NC, 27706, USA Published online: 09 May 2007. To cite this article:...University, Department of Geology, Durham, NC 27706, USA. Potholes that develop in layered intrusions show...INTRODUCTION Potholes that have developed in the Stillwater and Bushveld intrusions are transgressive, funnel-shaped...Merensky Reef and the UG2 chromitite layer) and the Stillwater Complex (the J-M reef; e.g. Turner et al. 1985;...Merensky potholes, they locally contain abundant graphite. In this paper, the term liquid is used to denote |  | | Journal (article/letter/editorial) | | Distribution in the Stillwater Complex and Evolution of Vapor During Crystallization of Stillwater and Bushveld...occurrence and distribution of carbon in the Stillwater Complex have been investigated. In mineralized... The assemblage forsterite-antigorite-calcite-graphite and the petrographic relations indicate equilibration...contrast, there is good evidence for magmatic graphite in parts of the Bushveld Complex. The C-O-H-Cl...system has been investigated for conditions of Stillwater and Bushveld crystallization. In alkali-poor |  | | 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...copper, and nickel), the Mineral Hill mine (gold and silver), and the Livingston Marble and Granite Works |  | | Report (issue) | | Beaverhead and Madison Counties, southwestern Montana. These agencies use mineral resource data in creating...part of Beaverhead County, Montana, and the western part of Madison County, Montana. The study area (see...Pass south to the Montana-Idaho border; and (4) The southern boundary is the Montana-Idaho border (the...rocks in Montana, most notably from mines developed in the Stillwater Complex near Nye, Montana, in the...the Beartooth uplift area. The Stillwater Complex is a Late Archean (2,700 Ma) ultramafic to mafic layered |  | | 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, PtāFe alloy...violarite, graphite (Stillwater complex, Montana, USA). Distribution: In the USA, from the Stillwater complex...complex, Montana [TL], and at Fox Gulch, Goodnews Bay, Alaska. Name: From the Greek rhodon, rose. Type |  | | Journal (article/letter/editorial) | | Layered igneous complexes such as Bushveld and Stillwater, have, for a long time, been the principal source...Colombia, Russia, British Columbia (Canada) and Alaska (USA). Recently, many unconventional PGE accumulations...reported from marine black shales of China, Canada, USA, Czech R e p u b lic, Finland, Poland and the former...1991 a). Metal-rich black shales from the USA In central USA, anomalous values for PGE are known from...anomalies in the Carboniferous beds of the Central USA have the same order of magnitude as the values in |  | | Journal (article/letter/editorial) | | the 1Montana College of Mineral Science, Butte, Montana, and the 2 Rockwell International Science Center... U.S.A. A Preliminary Description of Complex Graphite, Sulphide, Arsenide, and Platinum Group Element...Mineralization in a Pegrnatoid Pyroxenite of the Stillwater Complex, Montana, U.S.A. A. Volborth 1 and R. M. Housley2...here for the first time a major occurrence of graphite along with sulphide, arsenide, and platinum group...mineralization in the Stillwater Layered Anorthosite Complex, Montana. The graphite occurs in a pegmatoid |  | | Report (volume) | | Wilderness Study Area, Park and Sweet Grass Counties, Montana By U.S. GEOLOGICAL SURVEY and U.S. BUREAU of MINES...wilderness study area, Park and Sweet Grass Counties, Montana B. Geophysical interpretations C. Economic appraisal...wilderness study area, Park and Sweet Grass Counties, Montana D. Geothermal resource STUDIES RELATED TO WILDERNESS-WILDERNESS...Wilderness study area, Park and Sweet Grass Counties, Montana. (Studies related to wilderness-Wilderness areas)...forest lands in the North Absaroka study area, Montana, which is being considered for wilderness designation |  | Elliott, W. C., Grandstaff, D. E., Ulmer, G. C., Buntin, T., Gold, D. P. (1982) An intrinsic oxygen fugacity study of platinum-carbon associations in layered intrusions. Economic Geology, 77 (6) 1493-1510 doi:10.2113/gsecongeo.77.6.1493 | Journal (article/letter/editorial) | | Bushveldmay havebeenoriginallyoperativefor the Stillwater as well. Introduction THE highconcentrations...zoneof interest(ZOI, Conn, 1979)ā¢ of the Stillwater Complex (Montana) are geochemical and petrogenetic enigmas...many similaritiesbetweenthe Bushveld and the Stillwater Complexes,we studied the Stillwaterzoneof interestin...al. sulfideat fsā¢ valuesaslow as10-2. Primary graphite has been reported in the Mer- (1976) reviewed...techniqueand shall commun., 1978). Furthermore, graphite-bearing insteadconcentrateon the critical factorsnecessary |  | | Journal (article/letter/editorial) | | Volume 80, pages 1343-1346, 1995 The Stillwater Complex, Montana: A subvolcanicmagmachamber? Rosar-rNo...in the footwall of the Stillwater Complex, all of them coeval with the Stillwater in age.Two of the magma...range of 1.5-3 kbar implies that the depth of the Stillwater magma chamber was similar to that of subvolcanic...Volcano, which raisesthe possibility that the Stillwater magma body may also have been a subvolcanic reservoir...representsa closedsystem.Incomplete The footwall of the Stillwater Complex contains a mafsections, and the possibility |  | | Journal (article/letter/editorial) | | CA 94305, USA āMolecular Physics Laboratory, SRI International, Menlo Park, CA 94025, USA 3Department...NY 10024, USA āCenter for Materials Research, Stanford Unive~ity, Stanford, CA 94305. USA (Receiwd h4u...Jagersfontein kimberlite, and in gabbros from the Stillwater and Bushveld Complexes has been studied by X-ray...it is commonly referred to, was suggested to be graphite, carbynes, or perhaps organic material. Later...led Mathez to suggest that the particles were graphite intercalation compounds. X-ray photoelectron spectroscopic |  | | Journal (article/letter/editorial) | | J-M Reef and Associated Rocks of the Stillwater Complex, Montana ALAN BOUDREAUā DEPARTMENT OF GEOLOGY...GEOLOGY, DUKE UNIVERSITY, BOX 90227, DURHAM, NC 27708, USA RECEIVED MAY 5, 1998; REVISED TYPESCRIPT ACCEPTED...principal platinumgroup element deposit of the Stillwater complex, the J-M reef. OB I is characterized...crystallized layered igneous intrusions such as the Stillwater complex have traditionally been considered to...that the highCl, high-Mg parent liquids of the Stillwater and Bushveld complexes, like their modern-day |  | | Report (issue) | | from the lowermost cyclic unit of the Stillwater Complex, Montana by Patricia J. Loferski,!/ Sol Berman...zone in the Mountain View area of the Stillwater complex, Montana. These data will be used in various forms...chromite deposits in the Stillwater complex. Location and General Geology The Stillwater complex is a layered...front of the Beartooth Mountains in south-central Montana (fig. 1). The age of the complex has been determined...homogeneous sample was mixed with high purity graphite powder (-200 mesh) and a quartz-sodium carbonate |  | | Journal (article/letter/editorial) | | 98195 USA 2 Department of Mineral Sciences,AmericanMuseum of Natural History,New York, NY 10024 USA Received...address: 2756 NE 103rd St., Seattle, WA 98125, USA O f f p r i n t requests to ." E.A. Mathez Hydration...to the PGE-rich Howland (or J-M) Reef of the Stillwater Complex, and its resolution awaits specific data...Several such horizons exist in the Bushveld and Stillwater Complexes. Entrapment of volatiles in intercumulus...of some of the anorthosite adcumulates in the Stillwater Complex; Lauder (1970) proposed that the Merensky |  | | Journal (issue) | | www.miningreview.com IN THE SPOTLIGHT P8 If you mine responsibly, you can change the destiny of a whole...Sibanye-Stillwaterās Montana, US-based PGM mining operations, the East Boulder and Stillwater mines and Columbus...start-up, with speed 40 Black Rockās Mahenge graphite project geared for success, for all stakeholders...options for when mines close How to effectively manage mine tailings risk Mining Review Africa is the exclusive...Sibanye-Stillwater Deļ¬ning stakeholder engagement with the Good Neighbor Agreement in Montana 2020 marks |  | Aird, Hannah M., Ferguson, Katherine M., Lehrer, Malia L., Boudreau, Alan E. (2017) A study of the trace sulfide mineral assemblages in the Stillwater Complex, Montana, USA. Mineralium Deposita, 52 (3) 361-382 doi:10.1007/s00126-016-0664-x | Journal (article/letter/editorial) | | sulfide mineral assemblages in the Stillwater Complex, Montana, USA Hannah M. Aird 1,2 & Katherine M....2016 Abstract The sulfide assemblages of the Stillwater Complex away from the well-studied ore zones...Ocean Sciences, Duke University, Durham, NC 27708, USA 2 Department of Geological and Environmental Sciences...California State University Chico, Chico, CA 95929, USA Ni in the Peridotite Zone is largely controlled...as the J-M reef. Keywords Magmatic sulfides . Stillwater Complex . Accessory mineral assemblages . Hydromagmatic |  | Braun, Kristen, Meurer, William, Boudreau, Alan E., McCallum, I.S. (1994) Compositions of pegmatoids beneath the J-M Reef of the Stillwater Complex, Montana, U.S.A. Chemical Geology, 113 (3) 245-257 doi:10.1016/0009-2541(94)90069-8 | Journal (article/letter/editorial) | | pegmatoids beneath the J-M Reef of the Stillwater Complex, Montana, U.S.A. Kristen Braun a, William Meurer...aGeology Department, Duke University, Durham, NC 27706, USA bDepartment of Geological Sciences, A J-20, University...University of Washington, Seattle, WA 98195, USA (Received September 12, 1992; revised and accepted August...done on the discordant pegmatoidal rocks of the Stillwater Complex. These rocks are of interest not only...cumulate sequence beneath the J-M Reef of the Stillwater Complex to determine the degree to which mineral |  | Mogessie, A., Stumpfl, E. F., Weiblen, P. W. (1991) The role of fluids in the formation of platinum-group minerals, Duluth Complex, Minnesota; mineralogic, textural, and chemical evidence. Economic Geology, 86 (7) 1506-1518 doi:10.2113/gsecongeo.86.7.1506 | Journal (article/letter/editorial) | | vanadium-chromiumhercynite (Vā¢Oa rangingfrom 5.14-5.23 wt %) in graphite-richsamplesof the mineralizedzone of the Duluth...interpretation. Introduction Ir values for the Stillwater, Bushveld, and Duluth Complexes arecalculated...datanowavailableandpresently terns in the Bushveld, Stillwater and Duluth Com- beingacquiredfor the Duluth Complexindicatethat...sulfideore, (2) PGE associated with 910.5 for the Stillwater, and 12.66 to 20.67 for the chromespinel-richrocks...eterswere alsousedto selectsamples;e.g., abundance of graphite, apatite, hydrous silicates,and sulfides. Basedon |
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