 | | Journal (issue) | | copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) D e d ic ated...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 . |  | | Journal (article/letter/editorial) | | 2014 THE KEARSARGE Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER...measuring 5.5 × 10.0 cm, attributed to the South Kearsarge mine. Author’s specimen, Terry Huizing photo. 276...University] at 07:52 12 December 2014 T HE KEARSARGE LODE was one of seven blanket-type native copper...after the U.S.S. Kearsarge by a former naval officer who became an employee of the Calumet and Hecla Mining...the secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became |  | | Report (issue) | | 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 |  | | Journal (article/letter/editorial) | | Amygdaloidal Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...of the dense basalt matrix at the Wolverine No. 2 mine dump. These small and inexpensive detectors have...agate itself. Collected by Ray Just, C & H No. 21 mine, 10 July 2011. uring the past sixty years (1952–2012)...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 Retreat |  | 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...Structure, 17 17 18 Distribution of copper > Kearsarge lode, 19 19 Stratigraphy, .. 19 Structure...Structure ... 21 Mineralogy.,*. 22 Page "' Kearsarge lode ...*»...................... 33 The Houghton conglomerate *>re body, Allouez No* 3* shaft.* *«* -.» » .*-* |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...History and Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles...at the St. Louis mine, located about 1.3 miles east of the village of Laurium, Michigan. This little-known... including quartz, pumpellyite-(Mg), epidote, calcite, hematite, prehnite, laumontite, and copper, that...microcrystals in amygdules contained in a lava flow top. The mine has also yielded uniquely banded agates that occur |  | | 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) | | Peninsula TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...district is world famous for the copperincluded calcite crystals that occurred at a number of mines in...in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet specimens...common gangue minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite, and laumontite...in the tenth grade. I have collected most of the mine dumps during the past sixty years and have found |  | | Journal (article/letter/editorial) | | the Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure... 1 mine in summer 2009 by Steve Whelan. The specimen is 12.4 × 6.2 cm and was encased in calcite. Tom...Copper Country Figure 2. Generalized map of the Michigan copper district showing the location of the new...Mineral Finds in Michigan’s 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 |  | | Journal (article/letter/editorial) | | 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 |  | | Journal (article/letter/editorial) | | shoreline shift with Lake Superior storms, exposing calcite/quartz veins in the Copper Harbor Conglomerate...native of Upper Michigan and a graduate of Michigan Technological University in Houghton. Since retiring...terminated scalenohedral calcite crystals on crystallized quartz. The longest calcite crystal is 7.9 cm and...and was collected from the calcite/quartz vein by Bob Williams in July 1975. Pam and Jerry Hall specimen...year. During the last four years, the crushing of mine dumps (poor-rock piles) for road repairs and construction |  | | Book | | 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 |  | | 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...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 |  | | 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...Portage Lake lava seriesof the KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite...Kearsargeamygdaloiddepositiontemperaturesof quartz and calcite,determinedby inclusionthermometry,reach a maximumof...minerals."The mostcommon mineralsof the suiteare calcite,chlorite, epidote,quartz,prehnite,nativecopper |  | | Journal (article/letter/editorial) | | MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...well-known for its fine specimens of copper, datolite, calcite xls, arsenides, etc. which appeared during the...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible...due to the parallel growth of xls. At the Hancock Mine, Hancock, it occurs upon xls of epidote and quartz...also at Centennial Mine, Calumet; Iroquois Mine, and Cliff Mine, Cliff; Quincy Mine, Hancock, with chlorastrolite; |  | | Journal (article/letter/editorial) | | MICROCLINE IN THE NATIVE COPPER DEPOSITS OF MICHIGAN Ina KrorN, Stanf ord, U ni.oersity, C al'iJorni...intensive mining activity in the copper country of Michigan, and detailed study of the native copper deposits...aqueous product" forming after both copper and calcite. Whitneyz supplemented this with a complete analysis3and...Juliens described brick-red "orthoclase" lining calcite-filled vugs in amygdaloidal basalt at the outcrop... 5 Julien, A. A., Note on a feldspar from the Calumet Copper rr'ine: Annals N. Y. Acail. Sci., 12, 650-654 |  | | 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...None theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Journal (article/letter/editorial) | | Microcrystals In the Calumet and Hecla Conglomerate Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER...ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T Twenty-eighth in a series of...occur in the Calumet and Hecla Conglomerate in Houghton and Keweenaw counties, Michigan. Every summer...Country, mine dumps from a bygone era of copper mining are being crushed and hauled off the mine sites....and recover copper that mistakenly ended up in the mine dumps. The lucky person may also find silver in |  | | Journal (article/letter/editorial) | | nodules of datolite, and copper inclusions in calcite crystals come to mind. Surprisingly, specimens...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...industry was the shutdown of all Calumet & Hecla, Inc.* mines in Houghton and Keweenaw Counties by a labor |  | Bodden, Thomas, Bornhorst, Theodore, Bégué, Florence, Deering, Chad (2022) Sources of Hydrothermal Fluids Inferred from Oxygen and Carbon Isotope Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals, 12 (4) 474 doi:10.3390/min12040474 | Journal (article/letter/editorial) | | Isotope Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA Thomas J. Bodden 1...Isotope Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals 2022, 12...Engineering and Sciences, Michigan Technological University, Houghton, MI 49931, USA; tjbodden@mtu.edu (T...Seaman Mineral Museum, Michigan Technological University, Houghton, MI 49931, USA Department of Earth Sciences...296 new and compiled isotopic measurements on calcite, are consistent with existing models that low-sulfur |  | | Journal (article/letter/editorial) | | 36849 cookrob@auburn.edu KINOITE Christmas Mine, Gila County, Arizona F ew states can approach, much...mineral in vugs and veinlets in skarn, and in Michigan it occurs as a rare constituent of amygdule fillings...the northwest and Rosemont to the southeast, Pima County, Arizona. The locality is about 30 miles (48 kilometers)...crystals on fluorapophyllite from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen,...tiny kinoite crystals from the Christmas mine, Gila County, Arizona. Les and Paula Presmyk specimen, |  | | Journal (article/letter/editorial) | | photo (October 2017). 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Twenty-sixth in...located in Keweenaw County, Michigan, was made by Doug Miller of Calumet, Michigan. Miller, a thirty-year...area about a half-mile northwest of the North Cliff mine. He had checked part of this area earlier in the...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends...first beep on Figure 4. Map showing Eagle River, Michigan, and the location of the silver vein in the copper-bearing |  | | Journal (article/letter/editorial) | | Pewabic Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native Copper District Sixteenth...Country TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior...Superior native copper district, also known as the Michigan Copper Country, is located on the sparsely populated...into Lake Superior near the western end of Upper Michigan. The Keweenaw winters can be long and cold with...feet (6,400 vertical feet), making it the deepest mine shaft in the Western Hemisphere. Tom Rosemeyer collection |  | | Journal (article/letter/editorial) | | 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. CORNWALL—KEWEENAWAN LAVAS, MICHIGAN ILLUSTRATIONS Figuie Page 1. Section across the |  | | Journal (article/letter/editorial) | | Volume62, pages 1032-1033,1977 Kinoitefrom Calumet,Michigan A. P. RuorsALA ANDMe.nc L. WllsoN Department...Geological Engineering Michigan Technological Uniuersity, Houghton, Michigan 4993I Abstract Kinoite...typicalskarn minerals.The Michiganoccurrence, Laurium Mine, Calumet,represents a differentenvironment.Here, kinoite...mineralsinclude subhedralto euhedralcrystalswithin quartzand calcite;other associated nativecopper,nativesilver,epidote...rock is the mineralized amygdaloid. top of the Kearsarge Mineraldata for the Michisankinoiteareessentially |
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