 | | Corporate Document | | Reports for the Eagle Project LJS\J:\scopes\04w018\10000\FVD reports\Final MPA\r-Mine Permit App appendix...Geology of the Eagle Nickel-Copper Deposit LJS\J:\scopes\04w018\10000\FVD reports\Final MPA\r-Mine Permit App...Exploration THE GEOLOGY OF THE EAGLE NICKEL-COPPER DEPOSIT MICHIGAN, USA Prepared for: Kennecott Minerals.............................................. 11 Eagle Deposit Geology .................................. 3 Summary The Eagle property is the subject of a Pre-Feasibility Study. Eagle is a high-grade magmatic |  | | Journal (article/letter/editorial) | | ARTICLE PGE geochemistry of the Eagle NiāCuā(PGE) deposit, Upper Michigan: constraints on ore genesis in...6 May 2011 # Springer-Verlag 2011 Abstract The Eagle NiāCuā(PGE) deposit is hosted in maficāultramafic...rocks associated with the MarquetteāBaraga dike swarm in northern Michigan. Sulfide mineralization formed...mineralization have been recognized within the Eagle deposit: (1) disseminated sulfides in olivinerich...pentlandite, and chalcopyrite, but has higher cubanite content. Three distinct types of sulfide mineralization |  | | Journal (article/letter/editorial) | | geometrically distinct conduit-style deposits in MA the Eagle Intrusion and Tamarack Igneous Complex. These intrusions...range from -0.85 to 0.45 ā° whereas values from the Eagle Intrusion and the Tamarack Igneous Complex range...PT Complex. SC RI Keywords: Duluth Complex, Eagle Intrusion, Tamarack Igneous Complex, Cu isotopes...intrusions (chonoliths). The AC CE P Eagle Intrusion in Michigan (Fig.2) typifies this type of occurrence;...occurrence; ore production began at Eagle in 2014. A third type of low-sulfide deposit is PGE-enriched layers |  | | Journal (article/letter/editorial) | | Mineralization in the Partridge River, South Kawishiwi, and Eagle Intrusions: A Review of Contrasting Styles of Sulfide-Rich...sulfides are all part of the Eagle deposit in northern Michigan. The Eagle deposit is representative of...average Ni grade of the massive sulfide at the Eagle deposit is 3.57 wt %, making it one of the highest...orebodies in the world. The parental magma for the Eagle intrusion was a high-FeO picrite. Isotopic and trace...important for sulfide genesis. Ni enrichment in the Eagle deposit appears to be related to the early attainment |  | Taranovic, Valentina, Ripley, Edward M., Li, Chusi, Rossell, Dean (2016) Chalcophile element (Ni, Cu, PGE, and Au) variations in the Tamarack magmatic sulfide deposit in the Midcontinent Rift System: implications for dynamic ore-forming processes. Mineralium Deposita, 51 (7) 937-951 doi:10.1007/s00126-016-0643-2 | Journal (article/letter/editorial) | | Bloomington, IN 47405, USA 2 Rio Tinto Exploration (Kennecott Exploration), Duluth, MN 55810, USA platinum-group...TIC to those of the early rift, conduit-related Eagle deposit and to those of the sheet-like intrusions...other Bconduit^-related deposits such as those at Eagle (Ding et al. 2010), Jinchuan (Tonnelier 2010; Li...variations are similar to those observed in the Eagle deposit (Ding et al. 2012), and are indicative of...the Michigamme Formation of the Baraga Basin in Michigan. Most rocks are therefore similar to those that |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised ā¢ by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 Ā© MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | Igneous Complex Intrusion, Baraga Basin, Northern Michigan Kellie A. Donoghue,ā Edward M. Ripley, and Chusi...intrusion) occurs within the Marquette-Baraga dike swarm in the Upper Peninsula of Michigan. The intrusion is likely...based on chemical similarities with the nearby Eagle mine and other Midcontinent Rift-related picrites...semimassive Ni-Cu-(PGE) occurrences. The Eagle deposit in Michigan is a small (0.1 km2) intrusion that hosts...mineralization which grades at over 3.4% Ni (Kennecott Eagle Minerals, 2012). Similar, small ultramafic/mafic |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, NāChwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen,...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 āAlaskaite,ā Colorado, 307 Albite...Amblygonite-montebrasite,California, 160 Analcime, Michigan, 339 The Andes Come to Arizona, R. W. Jones, 59 |  | | Journal (article/letter/editorial) | | DC 20013 pohwatp@si.edu Siderite Siete Suyos Mine, Atocha-Quechisla District Sud Chichas Province...History. Figure 1. Gemmy siderite from Siete Suyos mine, Atocha-Quechisla district, Sud Chichas Province...Figure 2. Siderite with quartz, from Mine Hill, Roxbury, Litchfield County, Connecticut. The composite crystals...of siderite were collected from Mine Hill, Roxbury, Litchfield County, where large cleavage masses to...(fig. 2). From the Palermo No. 1 mine, North Groton, Grafton County, New Hampshire, come microcrystals |  | | Journal (issue) | | Newsletter $3.00 Opinion: Sulfides and Uranium in Michigan Addressing Popular Myths and Misconceptions Shawn...Shawn M. Carlson PO Box 24 Norway, Michigan 49870 The state ofWiseonsin has a proud mining history. From...northern Wisconsin in the 1980s, I think many of us Michigan geologists looked on with a mix of bewilderment...industry, admixed with pride at our pro-mining Michigan next door; that somehow our earth science education...than Wisconsin's, such that the good people of Michigan would never fall for the tactics of "big environmentalism" |  | | Journal (issue) | | Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Mi George W. Robinson Natl. Museums...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University........................... 141 by T. A. Rickard Cubanite from Chibougamau, Quebec .........................157 by C. Albertini Sellaite from the Brumado mine ..................................................Iron and Washington Counties) and Arizona (Mojave County). This region is one of the last American frontiers |  | Taranovic, V., Ripley, E. M., Li, C., Shirey, S. B. (2018) S, O, and Re-Os Isotope Studies of the Tamarack Igneous Complex: Melt-Rock Interaction During the Early Stage of Midcontinent Rift Development. Economic Geology, 113 (5) 1161-1179 doi:10.5382/econgeo.2018.4585 | Journal (article/letter/editorial) | | Pd, is similar in many aspects to the Eagle deposit in Michigan. Sulfur, O, and Os isotopes have been... The values are very similar to those from the Eagle deposit, but contrast sharply with values of disseminated...contamination indicated by the Re-Os and S systems in the Eagle intrusion and the Tamarack Intrusive Complex may...sulfide mineralization found in the Eagle Intrusion in Michigan. The Eagle Intrusion also formed from a picritic...The geometric form of the mineralization at both Eagle and Tamarack is similar to that of other āconduitā-related |  | | Journal (article/letter/editorial) | | Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum of Natural History specimen...Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard... near Badger Creek, north of Coaldale, Fremont County, Colorado. Dave Bunk specimen, Jeff Scovil photo...(Herkimer ādiamondsāā), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...photo. SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville districtābetween the State Sanitarium...pitāeast of S.R. 243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham...propertyāRoute 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8...Calgary] at 09:55 07 August 2017 Barrow County Arnold mineā1.6 km northeast of Statham, near the headĀ |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Ni-Cu-PGE deposit is the only past-producing nickel mine (1958ā1974) in the Canadian Cordillera of British...remains British Columbiaās only past-producing nickel mine (1958ā1974), having produced ~4.2 Mt of ore with...Breckenridge pluton SE HC CP QN Giant Mascot USA SE SL H G Settler schist Slollicum schist Harrison... Chinaman Pride of Emory Upper 4600 1900 ad mine ro 5481000 mN 5481000 mN R id ge 606500 mE...the Giant Mascot ultramafic suite along the upper mine road (Fig. 2). Deformation features of the Spuzzum |  | | Journal (article/letter/editorial) | | pyrrhotite crystal on quartz attributed to the Potosi mine, Santo Domingo, Santa Eulalia (now known as Aquiies...pseudohexagonal pyrrhotite crystal from the Morro Velho gold mine, Nova Lima, Minas Gerais, Brazil. The 10.1-cm specimen...ore include the old bismuth mine at Monroe and the historic nickel mine at Litchfield, Connecticut; the...mines, Chester County, the Gap mine, Lancaster County, and the Ecton mine, Montgomery County, Pennsylvania;...Haralson, and Douglas Counties and the Stone Hill mine area of Randolph and Cleburne Counties, Alabama |  | | Journal (article/letter/editorial) | | several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...and datolite) found in the Upper Peninsula of Michigan also occur in Wisconsin. The major difference...zircon), particularly in the Wausau area of Marathon County (Falster 1987). Middle Proterozoic quartzites (1...found there (Merge 1996). One deposit, the Flambeau mine near Ladysmith, has already been mined. Other deposits |  | | Report (issue) | | Australia; corresponds to Au1.99 Bi0.99 . (2) Salsigne mine, France; by electron microprobe, corresponds to...loĢllingite, pyrite, pyrrhotite, chalcopyrite, cubanite, scheelite, apatite, siderite, calcite, quartz...[TL], and in the Eagle Hawk mine, Union Reef; at Kingsgate and from the Lucky Draw mine, New South Wales...Kazakhstan. From Ingram, Ontario, Canada. In the USA, in Alaska, in the Shotgun deposit, about 150 km |  | | Journal (article/letter/editorial) | | Houston, Texas 77058, USA 2 NASA Postdoctoral Program, Oak Ridge, Tennessee 37830, USA 3 Lunar and Planetary...Arizona 85712, USA 4 Naval Research Laboratory, Washington, District of Columbia 20375, USA 5 NASA Johnson...Johnson Space Center, Houston, Texas 77058, USA *Corresponding author. E-mail: eve.l.berger@nasa.gov (Received...heterogeneous. For example, the crystal structure of cubanite (low-temperature CuFe2S3) grains from the CI chondrite...1992), and the presence and structure of CuFe2S3 (cubanite) (Macdougall and Kerridge 1977; Bullock et al |  | | Book | | (41/i in. ) high from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite...Marcasite FeS 2 47-48 Chalcopyrite CuFeS 2 49-50 Cubanite CuFe2S3 51 Carrollite Cu(Co,Ni)iS. 52 Millerite...Octahedral Diamond Crystal in Kimber lite Premier Mine, Kimberley, South Africa On loan from Mrs Charles... ~ 29 Native Gold Sheet on Quartz El Dorado County; California 30 5 cm (2 In.) high Native Gold...Superior, Ā·Michigan 30.4 cm (12 in.) across Native Copper in Calcite Hancock, Houghton County, Michigan 12 |  | | Book | | Oxon 0X14 4RN 711 Third Avenue, New York, NY 10017, USA Routledge is an im print o f the Taylor & Francis...QE390.I53 1989 552 \0 6 88-3015 ISBN 0-470-21072-9 (USA only) CONTENTS Preface and Acknowledgements ix...Chalcopyrite Chromite Cinnabar Cobaltite Copper Covellite Cubanite Cuprite Enargite Galena Goethite Gold Graphite...the years from teaching students in the UK and the USA and from the feedback they have provided. Professor...COLOURED Blue Covellite Chalcopyrite Millerite Cubanite Psilomelane Hematite Proustite Pyrargyrite Stannite |  | | Report (issue) | | sulfur by superheated water through wells at Sulphur mine, Louisiana, are fully detailed. Exploration and...California Auschwitz mine, Lake County - 2, 4 Coso Range deposits, Inyo County - 14 Coyote Mountain deposits...Imperial County - 13 Crater (Last Chance Range) mine, Inyo County - 9, 11, 15, 16, 17 Elgin mine, Colusa...Colusa County - 6, 12 Full Moon deposit, Imperial County - 13 The Geysers, Sonoma County - 1, 18 Leviathan...Leviathan mine, Alpine County - 7, 17 Sulphur Bank mine, Lake County - 2, 4, 5, 6, 8, 12, 17; S 7 Supan deposits |  | | Journal (article/letter/editorial) | | Hollinger mine, Timmins, Ontario. This mine was often confused with the famous Dome mine, nearby, because...30 December 2014 Figure 3. Sphalerite, Hollinger mine, Timmins, Ontario. Several specimens of large sphalerite...particular vein or vein system could become a prospect or mine. If the veins had only noneconomic minerals such...Schumacher mine, Timmins, Ontario. This is an old piece of high-grade ore from the Schumacher mine, one of...to prospectors for potential development into a mine. Placer Deposits Many shield environments throughout |  | | Report (issue) | | geographic coordinates and, where applicable, by county and section, township, and range. Both published...nickel-plus-copper in the deposit. The Gap mine (Pennsylvania) and the San Julian mine (California),are examples of...deposits varies widely. Some, like the Bluebird mine (Arizona), are small deposits containing 16 mostly...mostly only cobalt minerals. At the Standard mine (Oregon), the , cobalt minerals are associated with...intermittently between the years 1763 and 1853. The Gap mine, Pennsylvania, supplied nickel and cobalt to United |
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