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| The Pewabic Copper-bearing Amygdaloidal Lode Houghton County, Michigan Lake Superior Native Copper District...minerals of Michiganâs Copper Country TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter... he Lake Superior native copper district, also known as the Michigan Copper Country, is located on the...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 |
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| Porcelaneous Datolite in MichiganĂs Lake Superior Copper District Figure 1. A rare and beautiful yellow...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 |
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| native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton) D e...of Donald Pearce (1941-1989) The âCopper Kingâ The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...COVER: Native copper crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard...Burbank) wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. |
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| Historical Sketch of Smelting and Refining Lake Copper, by Jas. B. Cooper. ..............................................23 No. 5 Shaft at the Tamarack Mine, by W. E. Parnall, Jr. .26 The Crystalization of........31 A Cause for Inaccuracy in Colorimetric Copper determinations, by Dr. Geo. A. Koenig ...........MEETING HOUGHTON, MICH., MARCH 5-9, 1901. The Testing and Control of the Product in a Modern Copper Refinery...Corliss Cross-Compound Pumping Engine in Penobscot Mine, by Jno. A. Redfern ........................... |
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| Through the Scope Copper Inclusions in Quartz Microcrystals From Michiganâs Keweenaw Peninsula TOM...Caledonia Street Calumet, Michigan 49913 datolite@charter.net T he Lake Superior copper district is world...of mines in the district, especially the Quincy mine. Crystals ranged in size from micro to large-cabinet...the heyday of copper mining (1860â1940). This article focuses on the lesser-known copper inclusions in...been collected throughout the district. The native copper deposits occur in the Portage Lake Volcanics that |
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| TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Unearthed from a Pleistocene...articles on the mines and minerals of Michiganâs Copper Country Figure 1. Google Earth photo showing the...August 2013 by Jay and Chad Just near Calumet, Michigan. The boulder was ripped loose from the conglomerate...native of Upper Michigan, is a graduate of Michigan Technological University in Houghton. He now spends...spends a good part of the year in the Copper Country collecting and writing articles about the district. |
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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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| GRAVE Life, Work, and Death at the Lake Superior Copper Mines LARRY LANKTON OXFORD UNIVERSITY PRESS New...life, work, and death at p.cm. the Lake Superior copper mines./ Larry Lankton. Includes bibliographical...(pap) 1. Copper industry and tradeâMichiganâKeweenaw PeninsulaâHistory. 2. Copper minersâMichiganâKeweenaw...Perhaps the reason for its lack of fame outside Michigan itself is that its annals, like those of happy...has been paid to the Lake Superior copper district of Upper Michigan. The reasons for its âlack of fameâ |
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| Lake Superior copper deposits, home to the worldâs largest occurrence of native copper. Indeed, many...sport flecks of native copper, and specimens exist of datolite intergrown with copper crystals, but thatâs...thatâs getting ahead of the story. Michiganâs Copper Country datolite has been collected, prized, fashioned...Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS...81MINERALS â .1-. . TOM ROSEMEYER 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 rosemeyer@ocinet |
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| Michiganâs Copper Country News from the Keweenaw Recent Mineral Finds in Michiganâs Copper Country Downloaded...A l t h o u g h commercial copper mining has come to an end in the Copper Country, specimens reminiscent...groups of copper and silver crystals, colorful porcelaneous nodules of datolite, and copper inclusions...courtesy Michigan Technological University Archives and Copper Country Historical Collections, Michigan Technological...21:35 21 November 2014 The demise of the native copper mining industry in the latter part of the twentieth |
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| BOUNDARIES Life and Landscape at the Lake Superior Copper Mines 1840-1875 LARRY LANKTON New York Oxford...boundaries : life and landscape at the Lake Superior copper mines, 1840-1875 / Larry Lankton. p. cm. Includes...0-19-510804-3 1. Copper industry and tradeâMichiganâKeweenaw PeninsulaHistoryâi9th century. 2. Copper minersâMichiganâKeweenaw...minersâMichiganâKeweenaw PeninsulaâHistoryâ1910 century. I. Lankton, Larry. grave. II. Title. HD9539-C7U547...it the "Lake Superior copper district," the "Keweenaw Peninsula," and the "Copper Country." In the mid-nineteenth |
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| February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...Besse. arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered...Gull Rock fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS...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 |
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| Michiganâs Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents......................... 6 Europeans Come to the Copper Country .........................................Ontonagon Copper Boulder ............................................................... 18 The Copper Rush...Michiganâs Copper Country â CMG 92 01 - page 1 of 144 Preface Few people realize that Michigan's copper had...impact than the California Gold rush. "Michigan's Copper Country" lets you experience the excitement of |
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| in the various serialized articles on the Michigan Copper Country by Tom Rosemeyer (including the one...some browns and darker reddish shades imparted by copper inclusions. It exhibits a vitreous luster and is...such as the Cheapside quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals...century at the Lane quarries at Westfield, Hampden County, Massachusetts; fine specimens were also found...green datolite crystals from the Second Sovietski mine, Dalnegorsk, Primorskiy Kray, Russia. The 18.5 â«» |
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| cauliflower are indigenous to the Michigan Copper Country (Lake Superior native copper district), home of the worldâs...worldâs largest deposits of native copper. The porcelaneous variety also occurrs as fracture-fillings...cut and polished nodules have been a part of the Copper Country collecting scene for more than 150 years...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 |
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| Eagle Harbor Oe emma Harbor Copper Harb 7 al EAGLE ie ces are Olibwove Allovez, «Ahmoek SLE ROYALE... Ontonagan Indian My âVv Lake Linden ee .-HOUGHTON Reservation ba 33 vo South Range. > eo ...Ishpeming + HiUM boig, «Palmer «Republic SOME COPPER COUNTRY NAMES AND PLACES COPYRIGHT May 23, 1975...Clarence J. Monette 942 Ninth Street Lake Linden, Michigan, 49945 All Rights Reserved ISBN: 0-942363-04-3...ice a nineOo by Copper Island Printing & Graphic Services, Inc. of Calumet, Michigan _ ee AUTHOR'S |
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| William Besse. 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net An UNUSUAL Glacial...the mines and minerals of Michiganâs Copper Country F loat copper and silver are defined as chunks of...formed to where they would ultimately be found. In Michigan this took place during multiple periods of continental...experienced over the past 2 million years. The copper and silver were transported by glacial ice, and...ice sheet, the copper and silver were dropped in place. Spectacular masses of float copper have been found |
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| Peninsula TOM ROSEMEYER Figure 1. The best silver/copper specimen recovered to date from the vein by Doug...composed of silver and lesser amounts of copper. The silver/copper was encased in weathered prehnite that...(October 2017). 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Twenty-sixth in a...articles on the mines and minerals of Michiganâs Copper Country O n 16 August 2017 an impor- tant discovery...located in Keweenaw County, Michigan, was made by Doug Miller of Calumet, Michigan. Miller, a thirty-year |
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| HOUND BY DAHJU.S D. THORP PKINTEJ) LANSlN(f, MICHIGAN. THE OFFIC'EES OF LAKE SUPEIJIOK MINlXi; IXSTITUTK...EedniaiT llth, Mr. Will lain Kelly of ^'nlfâąan. Michigan, and sent hy him to gentlemen known districts...Superior, by Per Larsson, Superintendent Aragon Mine, Michigan The Oeology lo of that Portion of the 3Ienoininee...we as many know, all ii'on district, and copper. and I was glad sentatives from all the will...all professions. We have two professors from the Houghton Mining tScliool. We have a think it is ready, |
 | 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) |
| maps of recently active copper nines, -..- roughton and Keweenaw Counties, Michigan H. R. Cornwall, J.................. 10 Central Exploration fissure mine, 12 Introduction................ + (- ; Stratigraphy..... 16 Structure, 17 17 18 Distribution of copper > Kearsarge lode, 19 19 Stratigraphy, .. 19...- * * Distribution of copper,.*»...................... 33 The Houghton conglomerate *>re body, Allouez... . ' ' Distribution of copper*«...._................,.. 26 ->- Quincy mine ,..........*.......*... |
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| of the Copper. 5. Distribution and Association of the 8. Paragenesis. 9. Origin of the Copper. Copper...be of interest to the Society. The copper-mining district of Michigan is situated in the upper peninsula...sloping inclines on the upper surface of the beds. At Copper Harbour the face of the escarpment of one of the...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 |
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| filling from a basaltic Houghton County lava flow. Small specks of native copper occur as inclusions near...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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| Calumet and Hecla Conglomerate Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER 57647 Caledonia...Caledonia Street Calumet, Michigan 49913 datolite@charter.net T Twenty-eighth in a series of articles on the...the mines and minerals of Michiganâs Copper Country his article details the discovery and recovery of...Conglomerate in Houghton and Keweenaw counties, Michigan. Every summer in the Copper Country, mine dumps from...from a bygone era of copper mining are being crushed and hauled off the mine sites. The crushed rock is |
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| TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Up Twenty-first in...articles on the mines and minerals of Michiganâs Copper Country from the Depths Underwater Recovery...KEWEENAW COUNTY, MICHIGAN Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological...University. He now spends a good part of the year in the Copper Country researching and writing articles on the...shoreline of Lake Superior at Esery Park, Keweenaw County. Larry Maltby photo (July 2013). Figure 3. Map |
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| Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1. A delicate group of copper crystals...crystals collected at the Ojibway No. 1 mine in summer 2009 by Steve Whelan. The specimen is 12.4 Ă 6.2 cm and...minerals of Michiganâs Copper Country Figure 2. Generalized map of the Michigan copper district showing the...Michiganâs Copper Country T he Michigan Copper Country, also known as the Lake Superior native copper district...Superior at the western end of Upper Michigan. The now-dormant copper mining industry, which flourished |
Pewabic Mine, Pewabic, Franklin Township, Houghton County, Michigan, USA