 | | 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 |  | | 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. |  | | 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) | | 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 |  | | 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) | | 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 |  | | 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 (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................................... |  | | 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 |  | | 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 |  | | Journal (issue) | | PUBLISHED MONTHLY 1938 CONTENTS FOR MAY, 1938 PREHNITE • • • • • • • • • • • • • • • ...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...131 PREHNITE One of the loveliest of green minerals which always excites admiration is prehnite. It must...green, as prehnite is also found in a gray, white, yellowish and even a bluish color. Prehnite is an old |  | | 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 |  | Olds, Travis A., Carlson, Shawn M., Behnke, Dan, Mills, Owen P. (2014) Collector's Note: A New Find of Manganese-rich Pumpellyite from the Manganese Mine, Copper Harbor, Keweenaw County, Michigan. Rocks & Minerals, 89 (6) 548-553 doi:10.1080/00357529.2014.949177 | Journal (article/letter/editorial) | | C ollector’s Note THE STATE OF MICHIGAN Downloaded by [Northeastern University] at 12:45 28 February...minerals in the altered [Michigan] copper lodes for the Calumet and Hecla Copper Mining Company, noted a...Pumpellyite From the Manganese Mine, Copper Harbor, Keweenaw County, Michigan 548 ROCKS & MINERALS See...See also Palache and Vassar (1925). In 1973, Michigan adopted the compact, massive green variety of pumpellyite...commonly referred to in Michigan as “Isle Figure 1. Map of Michigan’s Keweenaw Peninsula showing the location |  | | 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; |  | | 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) | | 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 |  | 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) | | Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA Thomas J. Bodden 1 , Theodore...Composition of Calcite, Keweenaw Peninsula Native Copper District, Michigan, USA. Minerals 2022, 12, 474...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 (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) | | several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...southwestern portion of the state, primarily in Grant, Iowa, and Lafayette Downloaded by [Korea University]...galena, sphalerite, marcasite, calcite, barite, and copper minerals were found. Mining in this district ceased...in Michigan’s famous Keweenaw Peninsula. Many of the minerals (copper, prehnite, laurnontite, and datolite) |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | 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...crystal on prehnite; it is associated with copper crystals. The specimen is from the Clark mine, Copper Harbor |  | | Journal (article/letter/editorial) | | e a r s o r g e conglornero t e .... @ Quincy mine @ Allouez no. 3 shaft Other detailed sections...GEOI.OGIC M A P O F SOME PEGMATITIC LAVA FLOWS, MICHIGAN C O P P E R D I S T R I C T Downloaded from https://pubs...KEWEENAWAN SERIES AND THE ORIGIN OF THE COPPER DEPOSITS OF MICHIGAN By HENRY R. CORNWALL ABSTRACT Five lava...lava flows in the Keweenawan series of the Michigan copper district have been studied and chemical analyses...differentiation in the flows to the origin of the copper deposits. The primary factors in the differentiation |  | | Journal (article/letter/editorial) | | Blanchard Mine, Bingham, New Mexico T here once was a time when most green acicular copper minerals...originating at what was then known only as the Blanchard mine, Bingham, New Mexico. Oh, for those simpler times...Blanchard mine has been selected for this issue. Brochantite, a simple hydrated sulfate of copper with the...and can be contacted at the addresses above. 48 copper deposits found in arid regions. Common accessory...containing copper sulfides at depth. It occurs sparingly at the old Loudville mines, Hampshire County, Massachusetts |
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Clark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA