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| Amygdaloidal Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...chunks of the dense basalt matrix at the Wolverine No. 2 mine dump. These small and inexpensive detectors...agate itself. Collected by Ray Just, C & H No. 21 mine, 10 July 2011. uring the past sixty years (1952â2012)...various mine dumps along the Kearsarge copper-bearing amygdaloidal lode in Houghton County, Michigan. These...excavating the agatebearing zone of the Wolverine No. 2 mine dump during the annual Copper Country Mineral |
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| Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506...5.5 Ă 10.0 cm, attributed to the South Kearsarge mine. Authorâs specimen, Terry Huizing photo. 276 ROCKS...former naval officer who became an employee of the Calumet and Hecla Mining Company (Monette 1975). It was...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became...from the district, was only out-produced by the Calumet and Hecla Conglomerate lode, which accounted for |
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| University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula, Michigan: Institute...Proceedings, 40th 40thAnnual AnnualMeeting, Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983)... time, we considered that that "It is held at Michigan Technological presumptuous for for us us to put |
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| copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) D e d ic ated...Donald Pearce (1941-1989) The âCopper Kingâ 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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| February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered from Lake...fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS mens of ...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...the White Pine mine at the southern end of the district. Keweenaw Point, Keweenaw County The waters off |
 | 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) |
| copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J. J. Runner, A. A. Stromquist................. 10 Central Exploration fissure mine, 12 Introduction................ + (- ; Stratigraphy...Distribution of copper,.*Âť...................... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.*...copper*ÂŤ...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction............^.................... 32 Isle Royale mine ................................... 3U ; *" 30 |
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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 Š 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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| 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 |
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| the Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure...of copper crystals collected at the Ojibway No. 1 mine in summer 2009 by Steve Whelan. The specimen is...Copper Country Figure 2. Generalized map of the Michigan copper district showing the location of the new...Mineral Finds in Michiganâs Copper Country T he Michigan Copper Country, also known as the Lake Superior...into Lake Superior at the western end of Upper Michigan. The now-dormant copper mining industry, which |
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| Peninsula TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...of mines in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet...minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and laumontite. Analcime, barite...in the tenth grade. I have collected most of the mine dumps during the past sixty years and have found...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends |
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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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| nodule, 0.9 x 1.1 inches, recovered from the Hancock mine dump by John Perona in 1972. John Perona specimen...Jaszczak photo. rom the bowels of a Keweenaw copper mine to the icy depths of Lake Superior, serious datolite...combination. Imagine descending a steep 2,000-foot-deep mine shaft in the dead of a Keweenaw winter with only...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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| uring the 2000 and 2001 collecting seasons in the Michigan Copper Country about sixty superb banded amygdaloidal...of native copper were recovered from the Wolverine No. 2 mine dump by John Perona, a prominent Copper...field collector. The abandoned Wolverine mine, located in Houghton County, consisted of four inclined shafts...the Kearsarge amygdaloid lode. The original Wolverine mine was opened in 1882 by local investors but went...Dan Behnke. ital ran out. On 1 August 1890 the Wolverine Copper Mining Company was organized and exploited |
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| brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was...manufacturerâs standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a...material collected from waste piles of abandoned mine sites in the mountains of central Colorado. A unit...Figure 6 (Right) - Sheet Copper â Flambeau Mine (Rusk County, WI) Figure 2âDr. Weisâs Personal Memorabilia |
 | Bornhorst, Theodore J., Paces, James B., Grant, Norman K., Obradovich, John D., Huber, N. King (1988) Age of native copper mineralization, Keweenaw Peninsula, Michigan. Economic Geology, 83 (3) 619-625 doi:10.2113/gsecongeo.83.3.619 | Journal (article/letter/editorial) |
| Native Copper Mineralization,KeweenawPeninsula,Michigan THEODOREJ. BORNHORST,JAMESB. PACES, Departmentof...GeologicalEngineering,MichiganTechnological University,Houghton,Michigan49931 NORMAN K. GRANT, Departmentof Geology...the Keweenaw Peninsula THE Keweenaw Peninsulaof Michigan is the location of a dormant native copper mining...â˘OSC'Ed[^ Freda Ss Nonesuch Copper Sh Harbor Cngl MINE Portage Lake Volcanics Ă Kearsarge Amygdaloid...northernMichigan,showingthe location of the Wolverine mine and the stratigraphicpositionof the Kearsargeflow |
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| Collectorâs Newsletter $6.00 2022 Summer Finds in the Michigan Copper Country Tom Rosemeyer datolite@charter...years ago. This is due to the yearly crushing of mine dumps for logging road construction, road repairs...industrial projects. Posting of privately owned mine sites also had increased due to liability concerns...field trip is held to the Wolverine #2 mine, Kearsarge, Houghton County, Michigan. The collecting guides...13 July 2022. Kyanite from Balsam Gap, Buncombe County, North Carolina Tony Nikischer tony@excaliburmineral |
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| 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 George Robinson National Museums of Canada Arthur...............................19 by O. Johnsen Michigan Native silver occurrences in the copper mines...Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...photo Š SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith |
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| Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ............................. 51 The Beginning of the Calumet and Hecla .......................................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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| PUBLISHED MONTHLY 1938 CONTENTS FOR MAY, 1938 PREHNITE ⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠⢠..... . . . . .. . ......... . .. . .. 144 ANCIENT MINE SAVED GREEK CIVI L I ZATION . ............... 147...131 PREHNITE One of the loveliest of green minerals which always excites admiration is prehnite. It must...green, as prehnite is also found in a gray, white, yellowish and even a bluish color. Prehnite is an old...found it at Cape of Good Hope in South Africa. Prehnite is now a common mineral at many localities. Very |
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| November 2014 occurring together) from the Calumet and Hecla mine. Excepment in the oxide zones of a variety...Copper Falls mine, associations and include those containing other silver minerals, Keweenaw County. barite...major Acton mine, York County, the Deer collections. One state that is draped in a silIsle mine, and the...the Sullivan mine ver-lined history is Colorado, with a pro(King and Foord 1994). Silver duction of more...more than 750 million ounces to occurred in a mine about a mile its credit. Fine wire- and crystallized-silver |
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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...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...Amherst user 160 H. R. CORNWALLâKEWEENAWAN LAVAS, MICHIGAN ILLUSTRATIONS Figuie Page 1. Section across the |
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| AND ITS BEARING THE IN OF AND FORMING THE CALUMET AND ON THE DISTRIBUTION COPPER CHARACTERS THE...serve to show the position of the chute*in the Calumet and Hecla conglomerate. At the requestof the editor...presentsome commentson a specimenbouldere from the Calumet and Hecla conglomerate, preparedto accompanyits...editorial complications, it has been delayed. 2 Michigan Geological Survey Collection, No. 2060o. â˘58...investigationfor the chemicalgeologist." Geological Survey of Michigan, Volume [., Part 2, pp. 37, 4o. 160 DISCUSSION |
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| scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...beautiful quartz specimens from Denny Mountain and King County, Washington, and the zeolites from the coastal...Alaska, ca. 1906. She organized her own company to mine the garnets, and may have distributed thousands...that men would be hired as laborers to work the mine and help develop it, but that no men would be involved |
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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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| Pottstown, Pennsylvania Donald R. Peacor Univ. of Michigan Abraham Rosenzweig Tampa, Florida Richard W. Thomssen...group at the first spring they half interest in the mine for the same amount to Messieurs found. The next...the Atlanta, a claim adjoining the Copper Queen mine. This claim This agreement was never honored by...in charge of exploration on the the Copper Queen mine in a foot race with a horse and rider over a Atlanta...into peon the choice of cash or a share of the mine, he reflected, âthe cash age. Judge G. H. Berry |
Wolverine No. 2 shaft, Wolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA