 | | Journal (article/letter/editorial) | | porcelain. This unique form of datolite hails from the legendary Lake Superior copper deposits, home to the world’s...occurrence of native copper. Indeed, many datolite nodules sport flecks of native copper, and specimens exist...exist of datolite intergrown with copper crystals, but that’s getting ahead of the story. Michigan’s Copper...Copper Country datolite has been collected, prized, fashioned, and proudly displayed in private mineral...of the Keweenaw Peninsula’s datolite by diving into this article on the occurrence of datolite and the |  | | 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) | | the Copper Falls mine, this complex 3.2-cm crystal is perched on a matrix of crystallized copper. The...Figure 49. Perhaps the finest cubic copper crystal recovered in the Copper Country in recent times. The 1...level of the Gribble vein in the Copper Falls mine. Of all the copper specimens recovered from the clay...finest calcite crystals recovered from the Copper Falls mine in the early days of mining. The sharp, limpid...striking contrast with the rugged surface of the copper matrix. The specimen was part of the L. L. Hubbard |  | | Journal (article/letter/editorial) | | 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 × 6.2 cm and...minerals of Michigan’s Copper Country Figure 2. Generalized map of the Michigan copper district showing the...Michigan’s Copper Country T he Michigan Copper Country, also known as the Lake Superior native copper district...scenic Keweenaw Peninsula, which juts out into Lake Superior at the western end of Upper Michigan. The |  | | Book | | 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....which operate in many states are not as likely to grant permission to collect as the former locally owned... 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 |  | | Journal (issue) | | with a large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives...of Donald Pearce (1941-1989) The “Copper King” 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. |  | | Journal (issue) | | MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...gemgypsy@bellsouth.net JANUARY–FEBRUARY 2023 Articles Copper Country II Introduction..............................................3 by W. E. Wilson The Keweenaw County Fissure Mines....................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan................................... |  | | Report (issue) | | colored datolite, a borosilicate (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow...native copper occur as inclusions near the surface and between the nodular masses. The Michigan Bicentennial...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) | | Avenue, Pontiac, Michigan It was at one of last winter's meetings of the Michigan Mineralogical Society...six-day invasion of Marquette, Baraga, Houghton and Keweenaw Counties. The response almost bowled us over so...six days which we had scheduled for Ishpeming, Michigan. Bob Markert and his associates came through in...Upper Peninsula Development Bureau of Michigan, Marquette, Michigan, and were well supplied with information...arrangements with the Michigan College of Mining and Technology at Houghton, Michigan, for a joint field |  | | Journal (article/letter/editorial) | | Calumet, Michigan 49913 tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw County...County Michigan Tom Rosemeyer, a native of Upper Michigan, is a graduate of Michigan Technological University...Houghton. He now spends a good part of the year in the Copper Country researching and writing articles about...articles on the mines and minerals of Michigan’s Copper Country Downloaded by [Lakehead University] at...March 2015 L ocated in the rugged Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits |  | | Journal (issue) | | 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 Arthur Roe Tucson, AZ Abraham Rosenzweig University........................... 215 by S. G. Bywater Copper Country microminerals............................Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Topaz-Mineral Exploration (1605 Hillcrest, Grand Haven, Michigan 49417) wishes to announce that he is now stocking |  | | Book | | Eagle Harbor Oe emma Harbor Copper Harb 7 al EAGLE ie ces are Olibwove Allovez, «Ahmoek SLE ROYALE...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...this. NOTE publication indicates, here are "Some Copper Country Names and Places." I realize that not |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods...gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason Cr.⎯fossils; |  | | Journal (article/letter/editorial) | | Africa Government Information Office July 18, 1957 MICHIGAN VACATION - 1956 People, Places and Prospects Lawrence...Greenbrier St., Springfield, Mass. Anyone for copper? After a hundred years of mining activity and mineral...mineral collecting, the Upper Peninsula of Michigan is still a profitable and beautiful objective for...photographer or open-air vacationer. Hundreds of mine dumps, miles of agate beaches, increasing numbers...delightful days and pleasant memories of Michigan's copper and iron country. Our twelve days on the Upper |  | | Journal (issue) | | ........... 11 Porcelaneous Datolite of the Keweenaw Peninsula, Michigan ..............................I can remember, my family has always had a gold mine claim. But during the Second World War, all gold...Dakota, we noticed a sign saying, “Join us at our County Fair.” We thought it would be a good way to walk...small affair that had the normal displays that all County Fairs have, but they had a few things that were...carload of ore, however, was extracted from the Mohawk Mine in 1906 and produced 609.6 oz/ton gold and 75.4 |  | | Journal (article/letter/editorial) | | COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...05:05 09 June 2012 Lake Superior Native Copper District Fifteenth in a series of articles on the mines...Michigan’s Copper Country 298 ROCKS & MINERALS Figure 1. Considered by some to be the finest copper specimen...world, this 6 × 8-cm crystallized copper specimen came from the Central mine and was in the collection of...and the piece is now on display in the special Copper Country collection case; Jeff Scovil photo. Downloaded |  | | Journal (article/letter/editorial) | | 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 I first went to the mine in the spring of...nodules of pink to red porcelanous datolite along with na tive copper and, more rarely, native silver could...crystallized copper, adularia, and epidote. In 1985 mineral rights for the Caledonia mine were bought...rehabilitated the No. 4 adit of the mine and are presently operating the mine for the re covery of mineral...collecting trips. Over the past five years the Caledonia mine has produced many fine hand specimens and an abundance |  | | Book | | volume is dedicated is four-fold: (1) To locate by mine, deposit, or community those mineralized areas of...Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Hematite VILLAGE SPRINGS, Blount Co. Hematite WOODS COPPER MINE, Cloaburne Co. Sphalerite ARIZONA COVEI.I.ITE...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE |  | | Journal (article/letter/editorial) | | 1958 I was taken into the upper levels of the South mine from the bot tom of the old open cut, and saw the...post-mine pro duct and, therefore, not eligible to be called a mineral, though some post-mine efflorescences...mineralization, is from the Mercedes and Herminia mine group. MOROCCO Henritermierite Mr. Gilbert Gauthier...to deep pools and concentrated the gold there." Michigan Julgoldite Mr. Dan Behnke of Northbrook, Illinois...associated with copper crystals. The specimen is from the Clark mine, Copper Harbor, Ke weenaw County. Mr. Behnke |  | | Journal (issue) | | 132 A MINERALOGICAL TRIP THROUGH THE M ICH IGAN COPPER COUNTRY. By Kiril Spi roff . . . . . . . . . ...... . . . . .. . ......... . .. . .. 144 ANCIENT MINE SAVED GREEK CIVI L I ZATION . ............... 147...in the copper region of Keweenaw Peninsula, Mich., where is occurs in veins with native copper. Quite...often prehnite may inc!ude strings or grains of the copper and even silver. Prehnite also occurs in crystalline...specimens. When you bring home specimens collected at a mine, quarry, or other locality, WASH THEM in water with |  | | Report (volume) | | :............................................. Michigan.................................................especial interest or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Book (edition) | | hardness of less than 2V^ on Mohs' nail will copper coin is mark on scale usually leave a scratch...FELDSPAR ^ PHENACITE SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE...though, that malachite, an ore of the heavy metal copper, or hematite, an ore of iron, will be heavy in...(aluminum oxide), carbonates such as malachite (copper carbonate), phosphates such as apatite, and silicates...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose |
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Clark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA