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| Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506 Pine Street...5.5 Ć 10.0 cm, attributed to the South Kearsarge mine. Authorās specimen, Terry Huizing photo. 276 ROCKS...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became...minerals including analcime, calcite, datolite, epidote, microcline, natrolite, prehnite, and quartz. The...miners until 1967 when all mining ceased. Many of the mine dumps have disappeared through the years because |
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| nodule, 0.9 x 1.1 inches, recovered from the Hancock mine dump by John Perona in 1972. John Perona specimen...A. Jaszczak photo. rom the bowels of a Keweenaw copper mine to the icy depths of Lake Superior, serious...descending a steep 2,000-foot-deep mine shaft in the dead of a Keweenaw winter with only mud and ice for...over heels into the black depths of an abandoned mine. All of this effort was expended on clandestine...and Sciences Michigan Technological University Tom Rosemeyer is a native of Upper Michigan and a graduate |
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| 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1. A delicate group...group of copper crystals collected at the Ojibway No. 1 mine in summer 2009 by Steve Whelan. The specimen...Copper Country Figure 2. Generalized map of the Michigan copper district showing the location of the new...Mineral Finds in Michiganās Copper Country T he Michigan Copper Country, also known as the Lake Superior...scenic Keweenaw Peninsula, which juts out into Lake Superior at the western end of Upper Michigan. The |
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| 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...NoneĀ theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |
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| From Michiganās Keweenaw Peninsula TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...of mines in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet...1997). The common gangue minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and...in the tenth grade. I have collected most of the mine dumps during the past sixty years and have found...Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University in Houghton |
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| minerals of Michiganās Copper Country News from the Keweenaw Recent Mineral Finds in Michiganās Copper Country... When one thinks of superb specimens from the Keweenaw, memories of arborescent groups of copper and...courtesy Michigan Technological University Archives and Copper Country Historical Collections, Michigan Technological...started with the closure of the Champion mine in Houghton County by the Copper Range Company in September...reserves (Fields 1997).This was the last native copper mine in operation by the Copper Range Company and was |
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| News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3āRecent...years have passed since the last āNews from the Keweenawā; this article updates new finds to the spring...Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University in Houghton...year. During the last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction...construction in the Keweenaw. However, extensive logging operations, primarily in Keweenaw County, have increased |
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| large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...Donald Pearce (1941-1989) The āCopper Kingā The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |
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| A FEW NOTES ON COLLECTING IN UPPER MICHIGAN BY LYLE DeRUSHA RR 1 Chippewa Falls, Wise. In an area comprising...miles which lies in the central portion of the Keweenaw Peninsula are some three hundred abandoned mines...Minnesota mine dumps. From here to Copper Harbor on the tip of the peninsula and the Adams Mine dumps are...worthy of looking over. The Mass and the Adventure mine dumps will also be used for road fill. So these...will end as collecting spots. The Algomah, Lake, Michigan, Caledonia, St. Louis, So. Lake, Victoria, are |
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| University Auburn, Alabama 36849-5305 COPPER RAY MINE, PINAL COUNTY, ARIZONA Downloaded by [University of Regina]...mining states and the copper district of Michiganās Keweenaw Peninsula. Unusually fine copper specimens were...shaft, arborescent groups from the Copper Queen mine, and even postmining growths on old timbers in the...include the New Cornelia pit, Pima County, and the Ray mine in Pinal County. Masses and sheets of crystalline...size, have been found in the Chino mine, Santa Rita, Grant County, New Mexico. Fine specimens were also |
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| 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 |
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| s o r g e conglornero t e .... @ Quincy mine @ Allouez no. 3 shaft Other detailed sections . I...GEOI.OGIC M A P O F SOME PEGMATITIC LAVA FLOWS, MICHIGAN C O P P E R D I S T R I C T Downloaded from https://pubs...SERIES AND THE ORIGIN OF THE COPPER DEPOSITS OF MICHIGAN By HENRY R. CORNWALL ABSTRACT Five lava flows...flows in the Keweenawan series of the Michigan copper district have been studied and chemical analyses made...LAVAS, MICHIGAN ILLUSTRATIONS Figuie Page 1. Section across the Greenstone flow near the Allouez No. 3 |
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| (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 |
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| Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native Copper District Sixteenth...TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...the Michigan Copper Country, is located on the sparsely populated, isolated, and scenic Keweenaw Peninsula...Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with lake-effect...feet (6,400 vertical feet), making it the deepest mine shaft in the Western Hemisphere. Tom Rosemeyer collection |
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| 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 |
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| tgS 5 0 Ba sS y dS km Shawanaga domain Ojibway assemblage Sand Bay assemblage tgS Granodiorite...Lighthouse assemblage, (2) Sand Bay assemblage, (3) Ojibway assemblage, and (4) Shawanaga pluton. The uppermost...(UāPb on zircon; van Breemen et al. 1986). The Ojibway assemblage is dominated by migmatitic granodioritic...between the parautochthonous Britt domain and the Ojibway assemblage (Fig. 3). Dated at ca. 1460 Ma (T. Krogh...similar in age to both the Britt domain and the Ojibway granitoid orthogneisses. The monocyclic rocks of |
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| in a Silurian lagoon about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: ā..., Serpentine Chlorite Group Chlorite Epidote Group Epidote Scapolite Group Scapolite Altered Mica...showing cubic cleavage 30 - Gold ore, Chesterville Mine 31 - Dendritic native silver in dolomite 32 - Betafite...Falconbridge, Sudbury Basin 61 - Geco Mine, Manitouwadge 62 -Helen Mine, Wawa 63 - Open pit, Steep Rock Iron...Red Lake Gold Mines Limited 66-Pronto Mine in 1958 67 - Munro Mine in 1959 68 - Nepheline syenite quarries |
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| The Sea Lion. Silver Islet. Thunder Bay Amethyst Mine. Ouimet Canyon. Red Rock Cuesta. Nipigon Scenic...96 97 99 102 103 104 Contents Ranwick Uranium Mine. Montreal River. Montreal River Provincial Park...Bay First uranium discovery. Mica Bay. Mamainse Mine. Pancake Bay and Batchewana Bay Provincial Parks...Sibley Peninsula. Conglomerate near the old Mamainse Mine. Mount McKay. Silver Islet, a hundred years ago...Bay. Ouimet Canyon. Good Morning Lake, Dorion Township. Red Rock Cuesta. Red Rock. Nipigon Scenic Lookout |
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| are andradite, augite, tremolite, actinolite, epidote, and calcite. The granite itself is mineralized...90 per cent, the richest being from the Valerie Mine, in which bornite is absent and chalcopyrite is...Abatibi Area," by M. B. Baker, pp. 263-83; "Lake Ojibway; Last of the Great Glacial Lakes," by A. P. Coleman |
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| VOLCANICS (MIDDLE KEWEENAWAN) ON ISLE ROYALE, MICHIGAN Prepared in cooperation with the National Park...Isle Royale, Michigan By N. KING HUBER GEOLOGY OF ISLE ROYALE NATIONAL PARK, MICHIGAN GEOLOGICAL SURVEY...-Ā·Ā·Ā·-Ā·--Ā· 2 The Portage Lake Volcanics on the Keweenaw Peninsula__ 3 The Portage Lake Volcanics on Isle...------Correlation between Isle Royale and the Keweenaw Peninsula -----------------------------------...middle and upper Keweenawan rocks of northern Michigan and adjacent parts of Wisconsin-------------- |
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| L COVER Left: Betafite crystals, Silver Crater Mine, Cardiff. Specimen measures 6 cm by 4 cm by 3 cm...occurrence Davis Hill occurrence Princess sodalite mine Vardy quarry Golding-Keene quarry Egan Chute occurrences...corundum occurrence Childs Mine Rankin Mine Bessemer (Mayo) Mine Ruby (Jewell Ruby) Mine Bancroft to Maynooth...McCormack Mine Watson Mine Cairns Mine Plunkett Mine MacDonald Mine Woodcox Mine Genesee No. 2 Mine Ā· Thompson...Thompson Mine Hickey Mine Selby Hill sunstone occurrence National Graphite Mine McKenzie Lake Mine Bancroft |
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| rights reserved. COLLECTING MICHIGAN MINERALS, by John F. Mihelcic Michigan is rich in rewards for Rockhounds...to the spoil banks of the famous Wilmington strip mine area of Northern Illinois LARGEST KNOWN MaAss OF...Collecting Michigan by JOHN THE MINERAL COLLECTOR is in his element at almost any point in Michigan Starting...permission to enter upon private property The Michigan Mineralogical Society, as a unit, and members...Minerals F. MIHELCK at the International Salt Company mine. A large number of gravel pits about Detroit yield |
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| Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ............................................... 2 The Keweenaw Peninsula ......................................geology and history of the copper deposits of Michigan. Every effort has been made to present accurate...necessarily reflect the policies or practices of the Michigan Department of Natural Resources, Geological Survey...Nonetheless, he was very well known by hobbyists in Michigan and surrounding areas. The National Rockhound |
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| or one hundred leagues from the Hurons there is a mine of copper from which Truchement Brusle showed me...thirty years before the advent of the Fathers, Allouez, Mesnard and Marquette, and the language of the...island which is fifty in there is a very beautiful mine of in which circuit, leagues copper; it is found...pieces all 11 u Is it not probable that the beautiful mine of refined. In Lake Superior there ?1 copper...copper referred to by this writer was the ancient mine now being re-opened by the Minong company ? It is barely |
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| Northland Mine Net Lake Mine Cedar Lake (Trebor. Cuniptau) Mine Little Dan Mine Sherman Mine Temagami...Temagami (Copperfields) Mine The Cobalt-South Lorrain a r e a Road log along Highway 11B to Cobalt Mines The...Queen Mine Princess Mine McKinley-DarraghMine Cobalt Lake Mine Seneca Superior (Cart Lake) Mine Peterson...Peterson Lake Mine Nipissing407 Mine Penn-Canadian Mine. Bailey Mine Provincial Mine Savage Mine. Mensilvo...Mensilvo Mine Silverfields (Alexandra) Mine HihoMine Ragged Chute compressed a i r plant Townsite Mine BuffaloMine |
Ojibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA