 | 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,† 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 |  | 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) | | associated with secondary pyrite above and below the J-M Reef, Stillwater Complex, Montana B.W. Wernette, E...associated with secondary pyrite above and below the J-M Reef, Stillwater Complex, Montana. The address for the...Associated with Secondary Pyrite Above and Below the J-M Reef, Stillwater Complex, Montana IP T Wernette,...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 |  | | 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 |  | | 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 |  | 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...of pyrrhotite, chalcopyrite, pentlandite, and ±pyrite. Excluding vein assemblages and those affected...can be affected by apparent S loss in the form of pyrite being converted to magnetite and chalcopyrite to...trend from pentlandite-rich to pyrrhotite-rich to pyrite-rich assemblages is observed in the footwall rocks |  | Ripley, Edward M., Wernette, Benjamin W., Ayre, Annie, Li, Chusi, Smith, Joshua M., Underwood, Benjamin S., Keays, Reid R. (2017) Multiple S isotope studies of the Stillwater Complex and country rocks: An assessment of the role of crustal S in the origin of PGE enrichment found in the J-M Reef and related rocks. Geochimica et Cosmochimica Acta, 214. 226-245 doi:10.1016/j.gca.2017.07.041 | Journal (article/letter/editorial) | | Manuscript Multiple S isotope studies of the Stillwater Complex and country rocks; An assessment of the...Keays, R.R., Multiple S isotope studies of the Stillwater Complex and country rocks; An assessment of the...pertain. Multiple S isotope studies of the Stillwater Complex and country rocks; An assessment of the... 1 Abstract- The J-M Reef in the Stillwater Complex of Montana is the highest grade Pd deposit in the...The ~ 2.7 Ga Stillwater Complex, located in the Beartooth Mountains in southwestern Montana, contains the |  | | 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,...only a minor amount of alteration (<5 vol.%) at the mine, whereas the discrete grains of the Pt–Fe alloy...samples (>20 vol.%) from the J–M Reef at the Stillwater mine and elsewhere along the strike of the reef |  | | Journal (article/letter/editorial) | | June 2016, Vol. 80(4), pp. 585–637 The Stillwater Complex, Montana – Overview and the significance of volatiles...Sciences, Duke University, Box 90227, Durham, NC 27708, USA [Received 31 May 2015; Accepted 19 November 2015;...ACT The geology of the 2.7 Ga Stillwater Complex in South-Central Montana is reviewed with a focus on the...involved in the crystallization of the Stillwater Complex. A dry Stillwater magma would have been mineralogically...element and chromium deposits. K E Y WO R D S : Stillwater Complex, layered intrusions, J-M Reef, platinum-group |  | | 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...pyrrhotite, chalcopyrite, pentlandite and minor pyrite. Thirty-six grains of PGM were found in four of...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 |  | | 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 |  | | 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 |  | 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 (volume) | | of the eastern part of the Stillwater complex, Stillwater County, Montana, by J. W. Peoples and A. L...Chromite deposits of the Pilliken area, Eldorado County, California, by P. G. Wells, L. R. Page, and H...the Sourdough area, Curry County, and the Briggs Creek area, Josephine County, Oregon, by F. G. Wells,...(Q) Tungsten deposits in the Tungsten Hills, Inyo County, California, by D. M. Lemmon (published in March...Quicksilver deposits in San Luis Obispo County and southwestern Monterey County, California, by E. B. Eckel, R |  | LAMBERT, D. D., WALKER, R. J., MORGAN, J. W., SHIREY, S. B., CARLSON, R. W., ZIENTEK, M. L., LIPIN, B. R., KOSKI, M. S., COOPER, R. L. (1994) Re--Os and Sm--Nd Isotope Geochemistry of the Stillwater Complex, Montana: Implications for the Petrogenesis of the J-M Reef. Journal of Petrology, 35 (6) 1717-1753 doi:10.1093/petrology/35.6.1717 | Journal (article/letter/editorial) | | and Sm-Nd Isotope Geochemistry of the Stillwater Complex, Montana: Implications for the Petrogenesis of...Park, Maryland 20742, USA 3 US Geological Survey, Reston, Virginia 22092, USA Department of Terrestrial...Washington, DC 20015, USA 5 US Geological Survey, Spokane, Washington 99201, USA 6 Stillwater Mining Company... Nye, Montana 59061, USA 1 Department of Geology, Lamar University, Beaumont, Texas 77710, USA (Received...mafic and ultramafic cumulates from the 2700-Ma Stillwater Complex and associated fine-grained sills and |  | | Journal (article/letter/editorial) | | SCIENTIFIC COMMUNICATIONS PENTLANDITE AND COMPLEX, MONTANA: TION PYRRHOTITE FROM IRON-NICKEL OF ASSOCIA...TED Introduction Graterol and Naldrett, THE STILLWATER RATIOS MINERALS AS A FUNC• mite-olivine,..., A similar study has been in progressin the Stillwater Complex, of Precambrian age, southwestern 55EDJ-4...55EDJ-4, and C-395«) that containmineral blebs Montana, since 1967 as part of a U.S. Geological greaterthan...62.5ø incidentangleand 33.5ø minerals in the Stillwater Complex have been described by Page (1971a, b) |  | | Report (volume) | | TO WILDERNESS PRIMITIVE AREAS BEARTOOTH AREA, MONTANA AND WYOMING GEOLOGICAL SURVEY BULLETIN 1391-F ...Still water, and Sweet Grass Counties, Montana, and Park County, Wyoming. By FRANK S. SIMONS and THEODORE...vicinity, Carbon, Park, Stillwater, and Sweet Grass Counties, Montana, and Park County, Wyoming. (Studies...Bibliography: p. 114 1. Mines and mineral resources Montana. 2. Mines and mineral resources Wyoming Park Co...vicinity, Carbon, Park, Stillwater, and Sweet Grass Counties, Mont., and Park County, Wyo., that may come |  | | 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...insizwaite, gold, pyrrhotite, pentlandite, chalcopyrite, pyrite. Distribution: In Russia, from the Monchegorsk...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 |  | | Report (issue) | | PARK COUNTY, MONTANA By T. S. LOVERING f INTRODUCTION % : * In the pioneer days of Montana the New...Mountains for 1874, p. 324, 1875. Swallow, G. C., Montana Min. Jour., Nov. 30, 1889; May 10, 1890. U. S....and early Mesozoic formations of southwestern Montana and adjacent parts of Wyoming: U. S. Geol. Survey... 111-121, 1918. Darton, N. H., Coals of Carbon County, Mont.: U. S. Geol. Survey Bull. 316, pp. 174-193...H., Geology of the Haystack stock, Cowles, Park County, Mont.: Jour. Geology, vol. 16, pp. 193-229, 1908 |  | | Journal (article/letter/editorial) | | Hydrothermal Alteration in the Main Sulfide Zone at Unki Mine, Shurugwi Subchamber of the Great Dyke, Zimbabwe:...Old Main, 1 University Dr., Pembroke, NC 28372, USA; chaumba@uncp.edu Received: 24 May 2017; Accepted:...silicate composition study across the MSZ at Unki Mine in the Shurugwi Subchamber was conducted to help...the mineralization. The PGE-enriched zone at Unki Mine is a ~10 m thick package of rocks ranging from gabbronorites...of sulfide mineralization likely occurred at Unki Mine with primary sulfides occurring in association with |  | | Report (issue) | | Stillwater Complex, Montana Structure, Mineralogy, and Petrology of the Basal Zone with emphasis on the...Cataloging in Publication Data Page, Norman J Stillwater Complex, Montana Structure, Mineralogy, and Petrology...Igneous. 2. Intrusions (Geology) Montana. 3. Sulphides. 4. Ore-deposits Montana. I. Title. II. Series: United....................... Geologic history of the Stillwater Complex and adjacent rocks Previous work and...FIGURH 1. 2. 3. 4. 5. 6. 7. Index map of the Stillwater Complex .................................... |  | | Report (volume) | | Inclusions Within the B Chromitite, Stillwater Complex, Montana U.S. GEOLOGICAL SURVEY BULLETIN 1674-D...Inclusions Within the B Chromitite, Stillwater Complex, Montana By MICHAEL P. FOOSE and SUZANNE W. NICHOLSON...inclusions within the B chromitite of the Stillwater Complex, Montana, provide evidence for complex high-temperature...inclusions within the B chromitite, Stillwater Complex, Montana. (U.S. Geological Survey bulletin ; 1674-D)...Bibliography: p. 1. Sulfide minerals Montana. 2. Mineralogy Montana. SuzanneW. II. Title. III. Series. |  | | Report (issue) | | black shale roof of No. 5 coal at the East Capitol mine, in Springfield, 111., by breaking up a number of...blocks of black shale that had been removed from the mine about a week before in cleaning up a roof fall....shales of the No. 5 coal at the Saline mine, Gallatin County. KENTUCKY. Sample 11 was obtained by Mr...associated with the coal bed at the Barnaby mine, Crittenden County. Sample. 13, also taken by Wallace Lee...places in Pennsylvania. Near Cannelton, Beaver County, a deposit of cannel coal at this horizon occupies |  | | Journal (article/letter/editorial) | | Province, USA Robert S. Houston Geology Department, Universityof Wyoming, Laramie, WY 82070, USA (Received...near plate margins of the Archean Wyoming Province, USA. In: G. Gadl and K. Schulz (Editors), Precambrian...Department, University of Wyoming Laramie, WY, 82070, USA. 0301-9268/92/$05.00 margin is exposed in the Sierra...MINERAL DEPOSITS NEAR PLATE MARGINS, WYOMING PROVINCE, USA and Houston, 1984; Gosselin et al., 1988; Houston...possible exception of mineral deposits within the Stillwater Complex (Page et al., 1976; Page, 1977) the most |  | | 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...merenskyite, cooperite, braggite, vysotskite, sperrylite, pyrite, chalcopyrite, pyrrhotite, chromite, magnetite...graphite (Stillwater complex, Montana, USA). Distribution: In the USA, from the Stillwater complex, Montana |  | | Journal (article/letter/editorial) | | associatednorite samplesfrom the Stillwater igenouscomplexin Montana,parallel thoseobtainedfor the corresponding...6EOL061C CONTACT FAULT SURFACE SAMPLE LOCALITY •[-•1 MINE SAMPLE LOCALITY THE SCALE O•.... ? .... I,O...thesesampleswas extractedas total sulfideor, in somecases, as pyrite. The specificlocationsin the Sudbury district from...Several samplesof norite and Ni-ore from the Stillwater complexin Montanawere treatedin a similar way...ABUNDANCES IN SUDBUR¾ Cu-NI Sample Mineral X 1000 Mine 80' level ORE BODIES •S a4 in0/00 Average for |
|
