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empire mine michigan geology

  • Empire Mine reopening isn't happening just yet

    Mar 14, 2019Pump the brakes, you unemployed miners — at least for now. Last week's headline that Cleveland-Cliffs Inc. isn't ready to reopen the Empire Mine probably wasn't the news folks wanted to

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  • The lower Proterozoic Fern Creek Formation, northern

    Bedrock geology and ore deposits of the Palmer Quadrangle, Marquette County, Michigan, with a section on the Empire Mine by T. M. Han. United States

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  • The Empire Mine Layoff and Economic Future of the West

    The Empire Mine Layoff and Economic Future of the West End and Marquette County By Michael J. Broadway Olivia Engelhardt Department of Earth, Environmental and Geographical Sciences Northern Michigan University Marquette, MI 49855 Figure 1: The Tilden and Empire Mines from the air, looking north.

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  • Grypania spiralis in the Empire Mine

    Apr 05, 2012The Empire Mine, which has been working the Negaunee iron formation for about 50 years, is the location of the oldest known eukaryotic body fossil, Grypania spiralis. It's funny, but I grew up only 5 miles from the site and never about it until I found it in an Evolutionary Bio text in 2005. I went on several mine tours in the mid 1990's as a

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  • Michigan

    The cost of underground mining became more prohibitive, and the owners of Michigan's mines began to search for other methods of tapping the iron riches of Lake Superior. Many of the mining operations, such as the Lake Superior Iron Company, were

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  • Exgen Announces Sale of Empire Mine Project NSR for

    Sep 08, 2021NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES VANCOUVER, British Columbia, Sept. 08, 2021 (GLOBE NEWSWIRE) -- ExGen Resources Inc. (TSX.V: EXG; OTC: BXXRF) ("ExGen", the "Company") is pleased to announce the sale (the "NSR Royalty Sale") of its wholly owned

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  • Bedrock geology and ore deposits of the Palmer Quadrangle

    USGS Numbered Series. Title. Bedrock geology and ore deposits of the Palmer Quadrangle, Marquette County, Michigan, with a section on the Empire Mine. Series title. Professional Paper. Series number. 769. DOI. 10.3133/pp769.

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  • Empire Mine Deep Sulphide Drilling Continues to Intercept

    Dec 10, 2021ExGen is pleased to report that Phoenix, (the operator of the Empire Mine Project), has provided further analytical results from the 2021 Deep Sulphide core drilling program, below the known open pit oxide resource, at the Empire Mine in Idaho, USA ('EmpireCloseCurlyQuote;). The following program highlights were provided by Phoenix:

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  • Landsat Image Gallery

    Nov 29, 2021The Operational Land Imager (OLI) on Landsat 8 captured this image of iron mines in northern Michigan on September 11, 2013. Although the mined areas look like one facility from a satellite perspective, there are two

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  • Walt Rathbun, P.Eng.

    Tilden and Empire Mine -Geologic mapping and measurement of over 300 structural features in the Tilden and Empire iron ore mines Michigan Technological University Metallurgy, and Exploration (MTU Chapter) -MTU Geology Club -MTU Nordic Ski Club -MTU Water Polo Club -MTU Swim Club -Volunteered at Hancock Elementary school's after school

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  • Negaunee Explosion

    Oct 08, 2016Several earthquakes have been documented in Minnesota, Michigan's Upper Peninsula and Sudbury in the last 120 years along the GLTZ. Michigan Quakes: Questionnaire on the USGS website ref: M 4.2 – 5km S of Galesburg, Michigan. 5-2-2015 at 16:23:07 UTC. 42.236N 85.429W 4.5 km depth

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  • UNITED STATES DEPARTMENT OF THE INTERIOR

    the files of the U.S. Geological Survey and the Geological Survey Division, Michigan Department of Natural Resources, have been used for this study. Physical Setting and Drainage . The Lake Sally system, defined as the drainage basin of Lakes Sally, Ogden, Miller, Tilden, Schoolhouse, and Foster (fig. 1), is in central

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  • Empire Mine Open Pit Status Update: Exploratory Drilling

    Dec 16, 2021The Empire Mine Oxide Open Pit operating plan was presented to the community of Mackay, Idaho during a Town Hall meeting on 1 December 2021. Phoenix noted: Receipt of analyses from Empire step-out

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  • Coast Copper Commences Drilling on the Empire Mine Property

    Dec 01, 2021Geological, Mining History and Mineral Deposits, Merry Widow Group Property, Warren Geiger, September 7, 2005. 4. Cominco Resources, Drill Section Maps Plan of Cominco's Benson Lake Operations on Empire Claims Showing Ore Reserves Proposed Exploration Program, 1970, Private Files. While Coast Copper notes that Cominco's historical

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  • The Empire Mine is just northwest of the town of Palmer southeast of the town of Ishpeming, in Marquette County (western UP of Michigan). Pit location: 46 27' 18" North, 87 36' 32" West. The first two specimens shown below were collected in the

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  • Empire Mine State Historic Park

    Empire Mine's close to 850 acres are rich in history and beauty. At elevations of 2,500 to 2,900 feet, they cover a maze of 367 miles of deep mine shafts. Located in the western Sierra Nevada, 50 miles from Sacramento, Empire Mine State Historic Park remains rich in gold-mine history.

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  • THE LAKE SUPERIOR IRON RANGES: GEOLOGY AND MINING

    MINING HISTORY First ore discoveries and mines: Marquette Range, Michigan: Ore discovered 1844, first ore shipment 1852 Menominee Range, Michigan: Discovered 1846, first mine 1870 Gogebic Range, Michigan and Wisconsin: discovered 1848, first mine 1884 Iron River, Michigan: discovered 1851, first mine 1881

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  • Exgen Announces Sale of Empire Mine Project NSR for

    Sep 08, 2021Jason Riley Chairman and CEO of ExGen commented, "The Empire Mine Project NSR Royalty Sale is a fantastic milestone and transaction for ExGen as it provides for significant cash payments of $2,750,000, with excellent upside if milestone payments are achieved as well. This transaction demonstrates the Purchaser's belief in the Empire Mine

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  • Kennecott: Alaskan Origins of a Copper Empire, 1900

    hausted the great copper deposits of Lake Superior, Michigan, and Butte, Montana.5 As those rich ores dwindled, mining technology had geared up to exploit the low-grade porphyry ores of the American Southwest. The discovery of the first

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  • Negaunee Iron-Formation - 2.11 Ga (or 1.874 Ga) fossiliferous ferruginous mudshale from the Empire Mine, Michigan's Upper Peninsula, USA. Vulcan Iron-Formation - 2.1 Ga jaspilite BIF from Vulcan, Michigan's Upper Peninsula, USA.

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  • Treasure From Empire Mine, Mi (Grypania Spiralis

    Jun 02, 2014Yes, the Michigan specimens were first described in 1992, but the first description of Grypania was from Montana by Walcott in 1899. He interpreted the specimens as metazoan trace fossils and subsequently named it Helminthoidichnites? spiralis.Eventually in 1976 Walter et al. reinterpreted the Montana material as Grypania spiralis (Walcott), n. gen., n. comb.

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  • Hollowed Ground: Copper Mining and Community Building on

    In Hollowed Ground, author Larry Lankton tells the story of two copper industries on Lake Superior-native copper mining, which produced about 11 billion pounds of the metal from the 1840s until the late 1960s, and copper sulfide mining, which began in the 1950s and produced another 4.4 billion pounds of copper through the 1990s. In addition to documenting companies

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  • Index to Michigan Geography and Geology

    Index to Michigan Geography and Geology. This keyword index to Michigan Geography and Geology is a fan-based project designed and built by Kathleen Weessies, Geosciences Librarian at Michigan State University and Danielle Westphall, Geology and Geography Double Major at Michigan State University.. In addition to key concepts, this index also lists illustrations and

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  • Heather A Lowers

    By. Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center. August 14, 2020. Geochemical and mineralogical analyses of uranium ores from the Hack II and Pigeon deposits, solution-collapse breccia pipes, Grand Canyon region, Mohave and Coconino Counties, Arizona, USA.

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  • You are presently in the Geology and Mining Section of

    PP 769 / Gair, J. / BEDROCK GEOLOGY AND ORE DEPOSITS OF THE PALMER QUADRANGLE, MARQUETTE COUNTY, MICHIGAN, includes a section on the Empire Mine by T-M Han, 1975, pb, 159 pages, 8 plates (in pocket), 70 figs., 38 tables, uncirculated condition, $

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  • Show Mines of the United States of America: Empire Mine

    Empire Mine State Historic Park, 10791 East Empire St., Grass Valley, CA 95945, Tel: +1-530-273-8522. Geology. This was the richest hard-rock mine in California producing 165,000kg of gold all together. The gold is part of a quartz vein in a massive of grey granite. Such veins are hydrothermal depositions formed by the heat of the granite

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  • The Empire Copper Company

    In 1971 the Mackay Exploration Co. was on the inspector's forfeiture list and the Empire group of mines is listed under Lost River Mines, Inc. From 1972 until the inspector's final annual report in 1974 the Empire mines are listed under Honolulu Copper Co., leased to Ivie Mining Company.

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  • Coast Copper Completes 2021 Drill Program on the Empire

    Dec 20, 2021Coast Copper's exploration focus is the optioned Empire Mine Property, located on northern Vancouver Island, BC, which covers three historical open pit mines and two past-producing underground

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  • Empire Mine Deep Sulphide Drilling Continues to Intercept

    Dec 10, 2021NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES VANCOUVER, British Columbia, Dec. 10, 2021 (GLOBE NEWSWIRE) -- ExGen Resources Inc. (TSX.V: EXG; OTC: BXXRF) ("ExGen", the "Company") is pleased to provide an update in respect of Phoenix Copper Ltd.'s ("Phoenix")

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  • Negaunee Iron

    Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 19 by James St. John Grypania spiralis (Negaunee Iron-Formation, 2.11 Ga or 1.874 Ga; Empire Mine, SE of town of Ishpeming, Marquette County, Upper Peninsula of Michigan, USA) 20 by James St

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