 | | 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) | | 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) | | (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) | | part of cherts and jaspers, beds of carbonate of iron, hematite and magnetite, conglomerate, and occasional...Lower Huronian are I) conglomerates, quartzites, quartz-schists, and mica-schists, 2) limestones, 3) various...Lower Vermilion, Lower Marquette, Lower Felch Mountain, Lower Menominee, the cherty limestone formation...conglomerates, 2) an iron-bearing formation, consisting originally of lean cherty carbonate of iron, calcium and...Upper Marquette, Upper Menominee, and Upper Felch Mountain districts. The Keweenawan consists of interstratified |  | | 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) | | Through the Scope Copper Inclusions in Quartz Microcrystals From Michigan’s Keweenaw Peninsula TOM...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...focuses on the lesser-known copper inclusions in quartz microcrystals that have also been collected throughout...(Bornhorst 1997). The common gangue minerals include quartz, epidote, calcite, chlorite, prehnite, pumpellyite |  | | 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 |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Up Twenty-first in...KEWEENAW COUNTY, MICHIGAN Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological...shoreline of Lake Superior at Esery Park, Keweenaw County. Larry Maltby photo (July 2013). Figure 3. Map...Mineral Museum collection, Michigan Technological University, in Houghton, Michigan. olorful banded agates...agates, coined in about 1900 by Alfred C. Lane, a Michigan state geologist, has been used for the loose agates |  | | 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 |  | | 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) | | outer surface of cauliflower are indigenous to the Michigan Copper Country (Lake Superior native copper district)...Mesnard mine, also known as the Quincy No. 8 shaft, is located along the strike of the Pewabic lode 1...1.2 miles northeast of the historic Quincy No. 2 mine. The restored Quincy No. 2 shaft house and adjoining...that were installed at the Mesnard (Quincy No. 8) mine by Homestake Copper Company in 1976 for underground...was formed to work a tract of ground along the Pewabic lode, but in the following six years it produced |  | | Journal (article/letter/editorial) | | 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...meet emission standards led to its demise. The Michigan Copper Country contains the largest-known native |  | | 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...Prehnite, Calc. Spar, Laumontite, Leonhardite, Quartz, Datholite, Chabasie, Mesotype, Apophyllite, Feldspar |  | | Journal (article/letter/editorial) | | Photographs January/February: Chalcopyrite on quartz, La Mine de Giraud, La Gardette, Bourg d’Oisan, Isère...Benjamin specimen, Jeff Scovil photo. March/April: Quartz, variety amethyst, Las Vigas, Veracruz, Mexico...May/June: Quartz (Herkimer “diamond”), Herkimer Diamond Mines, Inc., New port, Herkimer County, New York...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, |  | | 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 |  | | Report (issue) | | Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R., and...Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,. Jr., and...1918Economic geology of the Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central... III. Title: The Central City district, Gilpin County, Colorado. (Series) For sale by the Superintendent...rocks _____________________________ _ Microcline-quartz-plagioclase-biotite gneiss_ Biotite gneisses _ |  | | 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...Talpose schists 221 Argillaceous rocks 225 Cherty quartz rocks 226 Conclusions from microscopical study...districts 229 Origin of the dolomites and cherty quartz rocks 230 Folding 232 Major folding 232 Cross...237 Marginal folds 237 : Walpole fold 238 Pewabic fold 239 Quinnesec fold 239 Norway 240 fold |  | 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 (volume) | | Mining Company .Gold on Operati Active inar, Mill Quartz Model nia Califor of View Interio 11 THE AMERICAN...PRODUCTION IN THE UNITED STATES....... 21 32 CRYSTALLIZED IRON , OR “ FRANKLINITE ” .. 33 PLEA FOR A METALLIC BASIS...Theories, their Dangers ; By James Gallatin. THE IRON -CLAD NAVY OF THE UNITED STATES... First Steamers...Implements - Quantity of Pig and other Iron - Rapid Increase of Machinery - Iron Foundries and Machine Shops -...COPPER REGION OF MICHIGAN .... EDITOR'S MISCELLANEOUS PIGEON - HOLE . Flint Steel River Mine - Silver in Michigan |  | | 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) | | 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 |  | | Report (issue) | | host minerals in the quartz bostonite Acid leaching studies The bostonite and quartz bostonites as low grade...Central Subprovince, monzonite stock, North Bryan Mountain\ Chemical data 4B. North Central Subprovince,...stocks, North Bryan Mountain: Normative data 5A. South Central Subprovince, quartz-brg. monzonite stock...stock, Bryan Mountain: Chemical data. Tables - continued Central Front Range, east of the Continental... South Central Subprovince, quartz-brg. monzonite stock, Bryan Mountain: Normative data 6A. South Central |  | | Report (issue) | | SURVEY CHARLES D. WALCOTT, PIEECTOE, THE MESABI IRON-BEARING DISTRICT OF MINNESOTA BY CHARLES KENNETH...^^ 90 "^ "* of rocks Quartzite - Micaceous quartz Conglomerates - slate - 98 Structure Thickness...Hi-roxiax series—Continued.The Biwabik formation (iron bearing) A'. Page. 100 Section II. Distribution...quartzites 150 Sideritic The alteration of the iron formation Comparison of the metamorijhic Magnetic...gabbro Chapter VII. 171 172 Correlation —The iron-ore deposits 191 195 195 200 206 206 Distribution |
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