 | | Report (issue) | | 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 |  | | Journal (article/letter/editorial) | | Iuyw I , < h,,,rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast...from the White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization...stratiform sulfide (chalcocite) deposit at the White Pine mine and (2) the world-class native copper deposits that...this type of lode start- ed in 1856 at the Quincy mine. Later came the conglomeratehosted deposits, in...this type of lode is credited to the Calumet No. 1 mine on the Calumet and Hecla Conglomerate lode, which |  | | Journal (article/letter/editorial) | | very low-grade metamorphic rocks, Keweenaw Peninsula Michigan, USA Edward Hansen a,ā, Jesse Reimink a...Hope College, 35 E 12th Street, Holland, Michigan 49423 USA Section 3.3 Chemistry and Physics of Earth...low-grade metamorphism Titanite TiO2 Pseudorutile Keweenaw Peninsula Prehniteāpumpellyite-facies a b s t...basalt and rhyolite clasts from the Keweenaw Peninsula, Michigan, USA which were metamorphosed to the prehniteā...in which clinopyroxene, ilmenite, amphibole, and quartz were reactants. A study of the formation of TiO2 |  | | Journal (issue) | | 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 . |  | Cornwall, H.R., Runner, J.J., Stromquist, A.A., Swanson, R.W., White, W.S. (1949) Detailed geologic map of the recently active copper mines; Houghton and Keweenaw Counties, Michigan. Open-File Report Vol. 1949 (50-4) US Geological Survey doi:10.3133/ofr504 | Report (issue) | | active copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J. J. Runner, A. A.................. 10 Central Exploration fissure mine, 12 Introduction................ + (- ; Stratigraphy...... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.* *Ā«* -.Ā» Ā» .*-* *Ā» Ā» * Ā» Ā» * Introduction...copper*Ā«...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction............^.................... 32 Isle Royale mine ................................... 3U ; *" 30 |  | | Journal (article/letter/editorial) | | Alteration Associated With Mineralization in the Michigan Copper District (Received 31 August 1967) INTRODUCTION...association with native copper ore in the Keweenaw County. Michigan. copper district. The main clay phases...brown fault gouge. GEOLOGIC SETTING The Keweenaw. Michigan. Copper District. (see location map. Fig...copper is closely associated with calcite. epidote, quartz, feldspars. chlorite. hematite. and zeolites -...deposited, was characterized by chlorite, epidote, quartz, calcite, pumpellyite, and prehnite. The late ore-forming |  | | Journal (article/letter/editorial) | | as the mine develops andāmaybeāthis is the one, only and last. Who knows? COLLECTING IN MICHIGAN AND MINNESOTA...Chippewa Falls, Wise. After quite some research on Michigan minerals and collecting areas we felt ready to...started with the old mines at Norway and Vulcan, Michigan, near the Wisconsin border. We arrived at Norway...weather was nice and cool for climbing over the mine dumps. Most of the rock piles in this area are overgrown...Republic. Here a new open pit mine is in operation. Although the mine was shut down due to vacations |  | | Journal (article/letter/editorial) | | Two New Mines in the Native Copper District of Michigan R. J. WEEGE,J.P. POLLOCK, ANDTHECALUMET DIVISIONGEOLOGICAL...promisingdepositsdevelopedin recentyears in the Michigan native copper district are both in conglomerate...extensionof the famousCalumetand Hecla conglomerate mine. The shapeof the conglomeratelensesand lithology...important contributions. In the followinggeneralacTā¢IE Michigan native copper depositshave been mined almostc...In December, Paper 144, "The CopperDepositsof Michigan,"by 1970, the decisionwas made to pull the pumps |  | | 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...NoneĀ theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | SOCIETY NOVEMBER, RECENT CONTRIBUTIONS OF THE MICHIGAN T. M. BRODERICK, OF GEOLOGISTS 1946 TO COPPER...previously publishedin geologicalstudies of the Michigan copperdistrict by the Calumetand Hecla GeologicalDepartment...ProfessionalPaper 144, "The Copper Depositsof Michigan," and the continuationof geological studiesby...deposits of Michigan, U.S. Prof. Pap. 144, p. 2, 1929. Geol. Surv. GEOLOGYOF MICHIGAN COPPERDISTRICT...These are as follows: T. M. Broderick, Zoning in Michigan copperdepositsand its significance. EcoN. Gv.ox |  | | Journal (article/letter/editorial) | | MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...UNIVERSITY] at 03:21 25 August 2017 INTRODUCTION The Keweenaw Feninsula is well-known for its fine specimens...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible...chlorite minerals are the best found anywhere in the Keweenaw Peninsula. PUMPELLYITE (6Ca0.3Al 2 0 3 .7Si0 2...of xls. At the Hancock Mine, Hancock, it occurs upon xls of epidote and quartz formed later than those |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | and VAN HISE2 Falls iron-bearing district of Michigan. The rocks of the district comprise two groups... 2The Crystal Falls Iron-bearing District of Michigan, by J. MORGAN CLEMENTS and H. L. SMYTH, with a...Negaunee formation of the Marquette district of Michigan, is found above the Ajibik formation. The occupation...on page 520. Hubbard 2 discusses the geology of Keweenaw Point with particular reference to the felsites...side of this range near the northeastern end of Keweenaw Point. The outcrops of felsite studied occur in |  | | Book | | Park 13700 13.25 LaneĀ Ā Garden, Michigan 49835 Tel: (906) 644-2603 Keweenaw Peninsula Jill Barbour (jnbarbour@mtu...Department of Geological Sciences & Engineering Michigan Technological University 1400 Townsend Dr., Houghton...Rocks National Lakeshore P.O. Box 40, Munising, Michigan 49862 Tel: (906) 387-2607 / Email: David_Kronk@nps...Mining Engineering and Sciences (adjunct) Northern Michigan University Marquette, MI 49855 Tel: (906) 227-1176...wildr@michigan.gov Mine Descriptions Rob Porritt, Dept of Geological Sciences & Engineering, Michigan Technological |  | | 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 |  | Luczaj, John, Maas, Julie, Hart, David, Odekirk, Jonathan (2017) Aquifer Drawdown and Recovery in the Northeast Groundwater Management Area, Wisconsin, USA: A Century of Groundwater Use. Geosciences, 7 (1) 11 doi:10.3390/geosciences7010011 | Journal (article/letter/editorial) | | Northeast Groundwater Management Area, Wisconsin, USA: A Century of Groundwater Use John A. Luczaj 1, *...University of Wisconsin-Green Bay, Green Bay, WI 54311, USA; odie_odie_@hotmail.com NEW Water (Green Bay Metropolitan...54302, USA; JMaas@newwater.us Wisconsin Geological & Natural History Survey, Madison, WI 53705, USA; dave...Northeast Groundwater Management Area of Wisconsin, USA contains two major cones of depression in a confined...construction of pipelines drawing surface water from Lake Michigan. In each case, rapid recovery of the potentiometric |  | | 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 |  | | Journal (article/letter/editorial) | | 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... epidote, microcline, natrolite, prehnite, and quartz. The longevity of the lode kept collectors supplied...miners until 1967 when all mining ceased. Many of the mine dumps have disappeared through the years because |  | | Journal (article/letter/editorial) | | AMYGDULE MINERAL SERIES, RICHARD E. ZONING IN MICHIGAN STOIBER THE COPPER AND EDWARD PORTAGE DISTRICT...of the Michigan copper district ......................... Mineralogyof amygdaloidalrock on mine dumps...KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite,epidote,and quartz zones,respectively--canbe...prehnitezoneand lower horizonswithin the epidote and quartz zones. Zone boundariescrossstratigraphichorizons...seriesthroughoutthe Lake Superior basin is like that of Keweenaw Peninsula,indicating that the mineral zones have |  | | Journal (article/letter/editorial) | | 2016 Mashamba West Mine, Shaba, Democratic Republic of Congo, and Red Dome Mine, Queensland, Australia...native copper; prospects at Ladenton, Rockland County, New York; Cheshire, New Haven, Connecticut; the...Mountain copper mines, Lehigh County, and at Cornwall, Lebanon County, Pennsylvania; at Ducktown, Tennessee;...the McGinn mine in Mecklenburg County and at several of the copper mines in Guilford County, North Carolina...Minor chalcotrichite is reported from the Clark mine, and octahedral cuprite crystals to 7 mm and cuprite-included |  | | Journal (issue) | | Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Ml George W. Robinson Natl. Museums...R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Topaz-Mineral Exploration (1605 Hillcrest, Grand Haven, Michigan 49417) wishes to announce that he is now stocking...Person-otherāOther persons such as miners, field assistants, mine managers, etc. Place āUsed when a mineral is named |  | | Journal (article/letter/editorial) | | WadsicorthāCopper Deposits in Michigan. are clue to the contraction of the quartz and the direct strain thus...slide itself except in polarized light, where the quartz ends and the glass begins, so exactly alike are...of curved cracks which mainly characterize the quartz and matrix respectively should not be regarded...names; but it will have to be borne in mind that the quartz types can be artificially produced in structureless...structureless balsam, that they extend from quartz to matrix, and that they must undoubtedly occur indejjendently |  | | Journal (article/letter/editorial) | | [Korea University] at 11:41 06 January 2015 Moonta Mine, South Australia, Australia W ere it not for a...the famous mercury mines of Terlingua, Brewster County, Texas. Of these five species, only atacamite is...localities. Consequently, an atacamite from the Moonta mine, South Australia, Australia, has been suggested...instrumentation from the Zinc Corporation of America No. 4 mine at Balmat, New York, and in association with granophyllite...vicinity of Somerville, Somerset County, New Jersey, and the Wheatley mine near Phoenixville, Pennsylvania |  | | Journal (article/letter/editorial) | | stratigraphic succession in the Iron River district of Michigan from the Brule river northward consists of finegrained...Allen, "The Iron River Iron-bearing District of Michigan," Mich. Geol. and Biol. Surv., 1910, 144 pp.,...finds that the waters from the deep levels of Michigan iron mines are high in sulphates and chlorides...and A. E. Seaman2 divide the pre-Ordovician of Michigan into Keewatin, Huronian, and Cambrian or Primordial...Lane3 recognizes the following groups of Upper Michigan Keweenawan rocks from the base upward: (i) Bohemian |
|
