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e a r s o r g e conglornero t e .... @ Quincy mine @ Allouez no. 3 shaft Other detailed sections...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...Amherst user Ahmeek 0 Sec. 22, T 58 N, R 31 W Lake Medora Keystone trail @ @ @ .. . . . . . . . . . ....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 |
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University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |
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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 |
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Calumet, Michigan 49913 tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw County...County Michigan Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University...March 2015 L ocated in the rugged Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits...Figure 2. Tom Rosemeyer about to descend into the mine through the small surface opening that led to the... At this early date, bears were still using the mine for winter hibernation. Dan Behnke photo (10 October |
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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....which operate in many states are not as likely to grant permission to collect as the former locally owned... 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 |
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minerals of Michigan’s Copper Country News from the Keweenaw Recent Mineral Finds in Michigan’s 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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DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN By Robert F. Johnson and Walter S. White...DEPOSITS OF THE MATCHWOOD QUADRANGLE, ONTONAGON COUNTY, MICHIGAN ' ~ By Robert F. Johnson and Walter S. White...The Matchvood quadrangle is in central Ontonagon County, just west of the Ontonagon River and its Middle...bodies of gabbro-granophyre and possibly dacitic quartz porphyry. The southeastern boundary of the outcrop...Portage Lake Lava Series is probably a fault the Keweenaw fault. The southern half of the quadrangle is |
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tts pee erg Hintli0 Py 4> ne ’ i<) ee 6's) Michigan, by.Edward C. Peterson and Esther A. Middlewood...of mining will find most mine managers willing to help, even though the mine may not be open to casual...State Offices of Information, Chambers of Commerce, mine managers, and Bureau personnel have freely contributed...old shafts! Always use available guide services. Mine openings (tunnels, adits, open pits) should never...during active operations, they are swept out of the mine by the controlled ventilating current. Remember |
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Collector and the Tourist includes 1 SOUTH DAKOTA • MICHIGAN • ILLINOIS • IOWA WISCONSIN • OHIO • KANSAS •... 47 MICHIGAN ............. 63 WESTERN IOWA ............................ -47 THE KEWEENAW PENINSULA...47 Beaches .................................... Mine Dumps ............................ 63 .63 63 •47...ISLE ROYALE....................... .66 LOWER MICHIGAN .......... Crystals and Specimens Fossils.......of the great Midwest. Collectors may search the mine dumps, stream beds, quarries, hillsides, caves, |
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gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |
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________________________ 46 46 46 47 50 52 57 Township descriptions_____________________________________________...-_ ---_-----_------- ---- -- CONTENTS V Township descriptions Continued. Pago T. 129 N., R. 104...Mound. _____ 26 4. A, T Cross lignite bed at T Cross mine, sec. 20, T. 133 N., R. 104 W.; -B, Upper part of...field and of its coal resources and a series of township descriptions in which the surface features, geology...LIGNITE OF MARMARTH FIELD, NORTH DAKOTA each township in the field are described in more detail. The |
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from a large vug in the fissure vein of the Cliff mine; the largest crystal is 2 cm across. The specimen...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...Jaszczak photo. Figure 18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy...on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...some of the veins (Butler and Burbank 1929). Cliff Mine After the failed 1844 mining venture at the Hays |
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gold-bearing areas. Lode deposits usually consist of Quartz veins in solid rock, while placer deposits occur...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |
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Nomenclature within the Keweenawan Supergroup of Northern Michigan Geochemistry, Petrography, and Volcanology of...Rhyolites of the Portage Lake Volcanics, Keweenaw Peninsula, Michigan U.S. GEOLOGICAL SURVEY BULLETIN 1970-A...Nomenclature within the Keweenawan Supergroup of Northern Michigan By WILLIAM F. CANNON and SUZANNE W. NICHOLSON...Rhyolites of the Portage Lake Volcanics, Keweenaw Peninsula, Michigan By SUZANNE W. NICHOLSON Chapters A and...nomenclature within the Keweenawan Supergroup of northern Michigan / by William F. Cannon and Suzanne W. Nicholson |
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PENINSULA OF MICHIGAN J. KALLIOKOSKI Department of Geology and Geological Engineering, Michigan Technological...sedimentary rocks (~ 1.1 Ga), upper Peninsula of Michigan. Precambrian Ras., 32 : 243--259. A complex caliche...carbonate. Whereas the caliche horizon at the Centennial Mine shows typical upward-grading features characteristic...Keweenawan red-bed strata in the Upper Peninsula of Michigan (Fig. 1),' along a strike length of 250 km (150...2. Generalized geologic column of part of the Keweenaw sequence. 245 TABLE I Carbonate c e m e n t |
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600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |
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600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |
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Adams County 37 Allen County . 37 Blackford Cowity . 37 Clark County . . . 37 Clay County . . ...Daviess County 37 Delaware County 38 Dubois County . 38 Fountain County 38 Franklin County 38 ... 38 Howard County . 38 Huntington County . . . . . . . . • . . 38 Jackson County . . . . . . .... . . . . . . 38 Jay County . 38 Lake County 38 Lawrence County . . . . . . . . . .. . . 39 ...Page Madison County . . . . . . . . . . . • . . . 39 Marion County . 39 Marshall County 39 Martin |
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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 “Copper King” 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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- - - Adams County - - - - - - - - - - - - - - - - - - - - - - - - - - - - Allen County - - - - - - -...- - -Blackford County - - - - - - - - - - - - - - - - - - - - - - - - - - Clark County - - - - - - - -...- - -Clay County - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Daviess County - - - - -...- - - Delaware County - - - - - - - - - - - - - - - - - - - - - - - - - - Dubois County - - - - - - -...- - Fountain County - - - - - - - - - - - - - - - - - - - - - - - - - - - Greene County - - - - - - - |
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approximately 25 townships 19 in Billings County, N. Dak., and 6 in Dawson County, Mont., on either side of the Northern...compiled the accompanying map from the original township plats used in the field. ACCESSIBILITY. Much...be referred to the Fort Union, penetrated by the Medora well below the lowest lignite outcropping in the...Pierre shale on Little Beaver Creek, in Bowman County, N. Dak.fl Throughout the field the dip is so slight...fact that, artesian water has been obtained at Medora. A well was sunk here by the Northern Pacific Railway |
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Deposits of minerals of wide distribution, such as quartz and calcite, have been omitted, except those that...Mathews, Johns Hopkins University, Baltimore. Michigan..........Mr. R. A. Smith, Lansing. Dr. A. C. Lane...See Bauxite and Hallpysite. 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, Pv. 7 E.; Jefferson |
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MISSOURI ILLINOIS • NORTH DAKOTA • OHIO • MICHIGAN • NEBRASKA • IOWA WISCONSIN Digitized by...and the Tourist Field includes SOUTH DAKOTA • MICHIGAN • ILLINOIS • IOWA WISCONSIN • OHIO • KANSAS •...Cycad .-' _ :. Oelrichs Agate Beds Rose Quartz Mine Northern Hill Gems 24 8 Jasper 25 Golden...40 North Dakota 43 Indiana . 45 Ohio 46 Michigan 50 Missouri 53 j- Kansas 5Q Iowa 60 -...matrix. Or you may visit the beach at Petoskey, Michigan, and find a stone glistening from the receding |
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:............................................. Michigan.................................................of minerals that are widely distributed, such as quartz and calcite, have been omitted, except those that...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.; |
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Characteristics Fossils Yellowstone-Bowman Dawson County area County area Fox HILLS SANDSTONE Distribution Cannon...Lance formation Little Beaver Creek area Dawson County area Variability of Fox Hills LANCE FORMATION Distribution...far as the mouth of Big Beaver Creek in Emmons County; in eastern Montana it appears along the Missouri...area on Little Beaver Creek in northwestern Bowman County, North Dakota, which is probably continuous with...collected in the Little Beaver Creek locality, Bowman County, North Dakota: OstreapellucidaM. and H. AviculalingueformisE |