 | | 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 |  | Benson, E.K., Ripley, E.M., Li, C., Underwood, B.W., Mahin, R. (2020) Multiple S Isotopes and S Isotope Heterogeneity at the East Eagle Ni-Cu-Platinum Group Element Deposit, Northern Michigan. Economic Geology, 115 (3). 527-541 doi:10.5382/econgeo.4707 | Journal (article/letter/editorial) | | Heterogeneity at the East Eagle Ni-Cu-Platinum Group Element Deposit, Northern Michigan E. K. Benson,1,†,* E...47405, USA 2Eagle Mine, Lundin Mining, 4547 County Road 601, Champion, Michigan 49814, USA Abstract...Abstract The East Eagle Ni-Cu-platinum group element deposit is a conduit-type deposit located in northern...northern Michigan, in close spatial proximity to the currently producing Eagle deposit. Massive and semimassive...at East Eagle occurs approximately 800 m lower in the stratigraphic sequence than that at Eagle and only |  | | Journal (article/letter/editorial) | | Michigan Mineralogy: A LOCALITY INDEX TOM MORRIS, JR. 4553 Shenandoah Allen Park, Michigan 48101 Tom...occurrences. These localities have been listed by county; and, strictly for convenience, the list has been...compiling this information was The Mineralogy of Michigan (Heinrich, 1976), which should be consulted by...locality labeling of Michigan specimens. It should be pointed out that the list of Michigan mineral localities...None theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Report (issue) | | Geology of the Negaunee Quadrangle, Marquette County, Michigan GEOLOGICAL SURVEY PROFESSIONAL PAPER 788...of the Michigan Department of Natural Resources Geology of the Negaunee Quadrangle, Marquette County...County, Michigan ByWILLARD P. PUFFETT GEOLOGICAL SURVEY PROFESSIONAL PAPER 788 Prepared in cooperation with...with the Geological Survey Division of the Michigan Department of Natural Resources Description of an...Carbonaceous graywacke .......................... Magnetite-rich argillite .............................. |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © 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 |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Report (issue) | | -Gogebic range, Michigan and Wisconsin._____________________ Menominee range, Michigan and Wisconsin___________________...Wisconsin___________________ Marquette range, Michigan.._______________________________ Central and gulf regio...district, Utah_-___--__-___________------_____ Eagle Mountains deposits, California__________--_--___-__Hartville...four chief iron-ore minerals hematite, liminite, magnetite, and siderite^-are widely distributed but only...from 48 percent in siderite to 72 percent in magnetite, but as these minerals are associated with other |  | | Journal (article/letter/editorial) | | 34S associated with the Eagle Ni-Cu sulfide deposit in Upper Peninsula, Michigan: Implications on country...34S associated with the Eagle NiCu sulfide deposit in Upper Peninsula, Michigan: Implications on country...34S associated with the Eagle NiCu sulfide deposit in Upper Peninsula, Michigan: Implications on country...Western Michigan University, Kalamazoo, MI USA of Environmental Quality, State of Michigan, USA *Corresponding... ABSTRACT The Eagle Ni-Cu magmatic sulfide deposit in the Upper Peninsula of Michigan is hosted in maficultramafic |  | | Journal (article/letter/editorial) | | Igneous Complex Intrusion, Baraga Basin, Northern Michigan Kellie A. Donoghue,† 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) | | minerals Article PGE-Enrichment in Magnetite-Bearing Olivine Gabbro: New Observations from the Midcontinent...Rift-Related Echo Lake Intrusion in Northern Michigan, USA Alexander James Koerber and Joyashish Thakurta...Sciences, Western Michigan University, 1903 W Michigan Ave, Kalamazoo, MI 49008, USA; alexander.j.koerber@wmich...Lake intrusion in the Upper Peninsula (UP) of Michigan, USA, was formed during the 1.1 Ga Midcontinent Rift...peridotite, mafic pegmatitic rock, olivine gabbro, magnetite-bearing gabbro, and anorthosite. Exploratory drilling |  | | Report (issue) | | 51, E. 12 W. Anorthite ; diallage titaniferous magnetite olivine. Scale, ; ; 25 diameters. Fig. 4. ...coarse olivine-gabbro from Bladder Lake, Ashland County, Labradorito; augite; diallage; olivine, mostly... viridite, talc and iron oxide; titaniferous magnetite. Scale, 10 diameters Thin sections of orthoclase-gabbro...augite in Iwinned blades; diallage titaniferous magnetite ; brown alteration-product of a'lgite secondaiy...orthoclase ; diallage altered to uraUte titaniferous magnetite and gray substance from ita alteration; large |  | Taranovic, Valentina, Ripley, Edward M., Li, Chusi, Rossell, Dean (2015) Petrogenesis of the Ni–Cu–PGE sulfide-bearing Tamarack Intrusive Complex, Midcontinent Rift System, Minnesota. Lithos, 212. 16-31 doi:10.1016/j.lithos.2014.10.012 | Journal (article/letter/editorial) | | smaller, conduit-related, Eagle and East Eagle Intrusions in Northern Michigan (Fo86 to Fo75). The FeO/MgO...MINNESOTA IOWA WISCONSIN ILLINOIS Eagle intrusion 1107 0 MICHIGAN INDIANA MBD BIC intrusion MC Wisconsin... PD La ek Michigan Minnesota LS intrusion 1109 ift Crystal Lake EGS 1107 Michigan ie Er ke La...Igneous Complex with respect to Duluth Complex and Eagle modified from Miller et al. (2013). Abbreviations:...NSVG — North Shore Volcanic Group; CCD — Carlton County dikes; PRI — Pigeon River intrusion; LS — Logan |  | | Report (issue) | | TITANIFEROUS MAGNETITE BEDS ON THE BLACKFEET INDIAN RESERVATION, MONTANA. By EUGENE STEBINGER. INTRODUCTION...INTRODUCTION. A number of magnetite beds of sedimentary origin, carrying a notable percentage of iron, were...restricting such operations on the reservation. The magnetite beds are widely distributed over the west half...PAET I. GEOLOGY OF THE MAGNETITE-BEARING ROCKS. STRATIGRAPHY. The magnetite beds on the Blackfeet Indian...certain sandstone formation here designated the magnetite-bearing sandstone. A knowledge of the appearance' |  | | 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...known to pseudomorph siderite include hematite, magnetite, quartz, cacoxenite, calcite, barite, and various...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 |  | | Book | | Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting.... and Michigan. Dow Chemical has reported finding diamonds in the kimberlites of upper Michigan, and vast...shoreline on both Lake Superior and Lake Michigan. Michigan is the state with the most shoreline on these...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |  | | Report (volume) | | Ark. Geol. Survey County Min. Rept.; Ann. Rept. -Arkansas Geological Survey, County Mining Report; Annual...Geologia Argentina Bol.. - Direcci6n Nacional de Mine ria y Geolog:la [Argentina], Boletin. 192 CONTRIQ...Water Res. County Rept. -Maryland Department of Geology, Mines, and Water Resources, County Report. Md...Md. Geol. Survey County Rept. -Maryland Geological Survey, County Report. Meddel. om Gr¢nland- Meddelelser...Stuttgart, Germany. Mich. Acad. Science Rept.; Papers-Michigan Academy of Science, Arts, and Letters, Report; |  | | 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 |  | | Journal (article/letter/editorial) | | ARTICLE PGE geochemistry of the Eagle Ni–Cu–(PGE) deposit, Upper Michigan: constraints on ore genesis in...6 May 2011 # Springer-Verlag 2011 Abstract The Eagle Ni–Cu–(PGE) deposit is hosted in mafic–ultramafic...rocks associated with the Marquette–Baraga dike swarm in northern Michigan. Sulfide mineralization formed...mineralization have been recognized within the Eagle deposit: (1) disseminated sulfides in olivinerich... 1001 East Tenth Street, Bloomington, IN 47405, USA e-mail: ripley@indiana.edu those of the disseminated |  | | Report (issue) | | _____________________________________________ Michigan and Wisconsin.________:_____-____--_--__----_...______________________________________________________ Michigan and Wisconsin,_____-_-________-_-__-_-_------..._--____________________________ Wisconsin and Michigan. _______-_:________-_______-_----_ __---_____...major iron-formations of the Mesabi, Gogebic, Marquette, and Menoininee ranges as of Negaunee (Middle...INTRODUCTION Around Lake-Superior,-in the- States of Michigan, Wisconsin, and. Minnesota" and the Province of |  | | 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 ‰ 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) | | Avenue, Pontiac, Michigan It was at one of last winter's meetings of the Michigan Mineralogical Society...in some part or all of the six-day invasion of Marquette, Baraga, Houghton and Keweenaw Counties. The response...six days which we had scheduled for Ishpeming, Michigan. Bob Markert and his associates came through in...Upper Peninsula Development Bureau of Michigan, Marquette, Michigan, and were well supplied with information...arrangements with the Michigan College of Mining and Technology at Houghton, Michigan, for a joint field |  | | Report (volume) | | :............................................. Michigan.................................................See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.;...; Jefferson County, at Ely ton; Lee County, at Chewacla lime works"; St. Clair County, at Greensport; |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, N’Chwaning 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 “Alaskaite,” Colorado, 307 Albite...Amblygonite-montebrasite,California, 160 Analcime, Michigan, 339 The Andes Come to Arizona, R. W. Jones, 59 |  | 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) | | pyrrhotite, pentlandite, and chalcopyrite, plus minor magnetite. Pyrrhotite containing the highest Ni and Co contents...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 |  | | Report (issue) | | Northern Michigan and Wisconsin Prepared in cooperation with the Geological Survey Division, Michigan Department...Potential for Diamond-Bearing Kimberlite in Northern Michigan and Wisconsin By W. F. Cannon and M. G. Mudrey...cooperation with the Geological Survey Division, Michigan Department of Natural Resources Description of...possibility that kimberlites in Wisconsin and Michigan might be the source for drift diamonds in Wisconsin...-----------------Eagle, Waukesha County---------------------Plum Creek, Pierce County ___________________ |
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