 | | 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 |  | | 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 |  | | Report (issue) | | filling from a basaltic Houghton County lava flow. Small specks of native copper occur as inclusions near the...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) | | exposed by acid dissolution from the late-stage calcite matrix. The group is 4 mm long with individual...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 |  | | 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 |  | | Journal (article/letter/editorial) | | 51. A classic calcite that is attributed to the Owl Creek fissure of the Copper Falls mine, this complex...crystal is perched on a matrix of crystallized copper. The specimen was originally part of the Clarence...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...Figure 50. One of the finest calcite crystals recovered from the Copper Falls mine in the early days of mining |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | Lake Superior copper deposits, home to the world’s largest occurrence of native copper. Indeed, many...sport flecks of native copper, and specimens exist of datolite intergrown with copper crystals, but that’s...that’s getting ahead of the story. Michigan’s Copper Country datolite has been collected, prized, fashioned...in celebrating the rich mineral heritage of the Keweenaw Peninsula’s datolite by diving into this article...Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS |  | | 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 |  | | Book | | variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company G ...five book-format issues (8/#3, Tsumeb; 23/#2, Michigan Copper Country; 23/#4, Yukon Phosphates; 24/#2, Greenland;...I 1991 337--424 273-336 [ 1-128 129-208 [ COPPER] [ 177-256 185-280 169-248 [ 425-528 337--400...the FM-TGMS-MSA Symposium on Azurite and other copper carbonates (chairman: K. Wenrich) 22:65-69 [Abstracts...Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON, STIG G. Hrucopper and cobalt |  | | Journal (article/letter/editorial) | | Calumet, Michigan 49913 datolite@charter.net Keweenaw Figure 1. A delicate group of copper crystals... 1 mine in summer 2009 by Steve Whelan. The specimen is 12.4 × 6.2 cm and was encased in calcite. Tom...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 |  | | 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................................... |  | | 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 |  | | 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 |  | | Report (volume) | | :............................................. Michigan.................................................that are widely distributed, such as quartz and calcite, have been omitted, except those that by reason...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; |  | | Book (edition) | | hardness of less than 2V^ on Mohs' nail will copper coin is mark on scale usually leave a scratch..."scratched" scratch was Many which is area, Wet is calcite, a pocket knife blade tests, make sure that...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 |  | 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...world’s largest accumulation of native copper in Michigan’s Keweenaw Peninsula. During a regional metamo |  | | Journal (issue) | | Newsletter $6.00 Fibrous Malachite from the Mindingi Mine Katanga, Democratic Republic of the Congo Tony Nikischer...Specimens of fibrous malachite from the Mindingi Mine in the Kambove District of Katanga began to appear...figure J ). Although the mine was first worked superficially in the 1930s for copper, it became known as one...one of the early producers of the pink cobaltoan calcite specimens that have been found in significant numbers...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens |  | | Report (volume) | | minerals of wide distribution, such as quartz and calcite, have been omitted, except those that by some unusual...especial interest or value. Some minerals, such as the copper ores of Pennsylvania, are included in the list...Mathews, Johns Hopkins University, Baltimore. Michigan..........Mr. R. A. Smith, Lansing. Dr. A. C. Lane...See Bauxite and Hallpysite. 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; |  | | 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) | | 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) | | 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427 I first went to the mine in the spring of...to red porcelanous datolite along with na tive copper and, more rarely, native silver could be found...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 |  | | 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...associated with axinite, and accompanied by albite, calcite, epidote, orthoclase and sometimes incrusted by...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 |
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