 | | Journal (issue) | | 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 . |  | | Journal (article/letter/editorial) | | August 2013 The Pewabic Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native...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 |  | | 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 |  | | Report (issue) | | Geology of the Menominee Iron-Bearing District Dickinson County, Michigan and Florence and Marinette...Division, Michigan Department of Conservation PAPER 513 Geology of the Menominee Iron-Bearing District...District Dickinson County, Michigan and Florence and Marinette Counties, Wisconsin By R. W. BAYLEY, C...cooperation with the Geological Survey Division, Michigan Department of Conservation 'I UNITED STATES...___________________ _ Vulcan Iron-Formation _____________ _ Traders and Curry Iron-Bearing Members_ Brier Slate |  | | 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...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...and and suggestions. suggestions. contributed a mountain 150 years ago, dozens of geologists have contributed |  | | 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) | | 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) | | the temperature at which andradite from the Pewabic mine loses its birefringence on heating, the early...chemical analysis of hedenbergite from the Dolores mine at Matehuala, San Luis Downloaded from https://pubs...by Smythe (1921, p. 416) in a contact-metamorphic iron deposit near Fairview, New Mexico, by New Mexico...radiating aggregates at the Empire Zinc Company's mine near Hanover, New Mexico, at Tetela de Ocampo, Puebla...and Tecolotes hedenbergite series, from the Pewabic mine, mines, Santa Barbara, Mexico. The X-ray Hanover |  | | 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) | | 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...came with the closing of the White Pine mine, Ontonagon County, in September 1995. New, stringent environmental |  | | Journal (article/letter/editorial) | | 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) | | 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) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg d’Oisan, Isère, France...Herkimer Diamond Mines, Inc., New port, Herkimer County, New York. Jeffrey B. Fast specimen and photo....cleavelandite, 49er Pocket, Oceanview mine, Pala district, San Diego County, California. Bill Larson specimen...photo. September/October: Gold, Mockingbird mine, Mariposa County, California. Collector’s Edge Minerals,...Treasure Chest Pocket, Jacksons Crossroads, Wilkes County, Georgia. Lisa Bennett specimen, Jeff Scovil photo |  | | Journal (article/letter/editorial) | | Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS...81MINERALS ’ .1-. . TOM ROSEMEYER 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 rosemeyer@ocinet...Florida] at 00:43 01 January 2015 1. Cliff mine 2. Phoenix mine 3. Centralmine 4. Central Exploration 5...of mines 6. Mandan SW-vel pit 7. IronCity(Empire)mine 8. Capemine 9. Clatkmine 10. starmine 11. Keweenaw...Roseineyer is a native of Upper Michigan arid a graduate of Michigan Technological Universip in Hoirghton |  | 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...copper*«...._................,.. 26 ->- Quincy mine ,..........*.......*................... Introduction............^.................... 32 Isle Royale mine ................................... 3U ; *" 30.......... 36 36 36 Contents (cont'd) Champion mine * Introduction .............. Stratigraphy.*.. f |  | | Journal (article/letter/editorial) | | the local salt mine. Hutchinson was settled in 1871 and became the seat of Reno County the following year...discovered in the county in 1887, and many processing plants sprang up in the area. Tours of the mine were offered...required for individuals as well as groups. Because of mine safety regulations, children under four years of...of hematite, goethite, calcite, barite, and other minerals from the Gogebic Iron Range (particularly from...from the Montreal mine in Wisconsin), a suite of large Illinois fluorites, and numerous one-of-a-kind |  | | Report (issue) | | WALCOTT, DIRECTOR THE MENOMINEE IRON-BEARING DISTRICT OF MICHIGAN BY WILLIAM SHIRLEY BAYLEY CHARLES...Limits of the Menominee area 34 Relations to other iron-bearing areas 34 Shape and size of the Menominee...237 Marginal folds 237 : Walpole fold 238 Pewabic fold 239 Quinnesec fold 239 Norway 240 fold...In the central belt 256 Southwest quarter 256 Iron Hill 2.56 In the southern belt 260 Southeast...associated with the ores 386 Quartz, dolomite, and calcite 386 Pyrite and chalcopyrite 388 Other minerals |  | | Journal (article/letter/editorial) | | Keweenaw Counties, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...Houghton and Keweenaw counties, Michigan. Every summer in the Copper Country, mine dumps from a bygone era of...copper mining are being crushed and hauled off the mine sites. The crushed rock is mainly used for road...and recover copper that mistakenly ended up in the mine dumps. The lucky person may also find silver in...locality. Collected at the Tamarack Jr. No. 1 mine, Houghton County, by Tom Rosemeyer, 11 August 2012. John |  | | Journal (article/letter/editorial) | | Tom Rosemeyer 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1... 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) | | Scovil photo. March/April: Emerald crystal and calcite; Boyacá, Colombia; Martin Zinn specimen, Jeff Scovil...September/October: Silver crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado; Dave Bunk specimen...Colorado, 413; Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B. Cook, 154–59 Apatite...Creek, Colorado, R. B. Cook, 426–31 Calcite, 462; Colorado, 410; Michigan, 312; Nevada, 516; New York, 162...Uvite with Overgrown Dravite, Bigelow, St. Lawrence County, New York, 250–59; Gemstone Deposits in Turkey |  | | Journal (article/letter/editorial) | | to the Society. The copper-mining district of Michigan is situated in the upper peninsula, or north-western...in some places--as, for instance, at the Nanmkey mine, on the south side of Portage lake, where a shaft...extraordinary size for instance; at the Concord mine, on Portage Lake, where they are nearly semicircular...hornblende, and augite, with chlorite, epidote, calcite, and magnetite as occasional constituents. It is...a vein at the Huron mine on Portage Lake, and more abundantly at the Mendola mine near Lac la Belle, in |  | | Journal (article/letter/editorial) | | (October 2017). 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Twenty-sixth in a...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...secTom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University in Houghton...on the detector, he determined it was not scrap iron. He took off his pack and started to dig to the |  | | Journal (article/letter/editorial) | | recently in the various serialized articles on the Michigan Copper Country by Tom Rosemeyer (including the...Most analyses show very minor amounts of aluminum, iron, manganese, and/or magnesium. Pseudomorphs of datolite...alpine fissure veins. Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet,...stilbite, heulandite, pectolite, apophyllite, calcite,, and quartz, and its crystal aggregates often...as the Cheapside quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals from |  | | Report (issue) | | General Geology of Santa Rita Quadrangle Grant County, New Mexico By WILLIAM R. JONES, ROBERT M. HERNON...Geologic map of the Santa Rita quadrangle, Grant County, N. Mex._____________________________ In pocket...Geologic sections of the Santa Rita quadrangle, Grant County, N. Mex___________________________ In pocket Geologic...Copper Flat area, Santa Rita quadrangle, Grant County, N. Mex____ In pocket Index map of New Mexico_...Geologic cross sections through Thunderbolt and Pewabic mines______________________________________ 47 |  | | 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 |
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