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| 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 |
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| 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 |
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| 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................................... |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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. |
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| MICHIGAN COPPER COUNTRY Figure 1: Shaft house of the Ahmeek mine, Keweenaw County. 1962 photo by Terry...and probably never will be anything like the Michigan Copper Country. For the mineral-minded, it is the...for mining its copper as the native metal. For the collector, its scores of old mine dumps never cease...England climate. The Copper Country lies 500 miles due north of Chicago in the Keweenaw Peninsula, which...author believes these were Chinese who took back the copper to make their famous bronze vessels. From evidence |
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| News from the Keweenaw Downloaded by [Florida State University] at 18:43 12 November 2014 Part 3—Recent...Michigan’s Copper Country Eleventh in a series of articles on the mines and minerals of Michigan’s Copper Country...storms, exposing calcite/quartz veins in the Copper Harbor Conglomerate. Author’s photo. TOM ROSEMEYER...minor and major, continue to be made in Michigan’s Copper Country. The May/June 1998 and the November/December...years have passed since the last “News from the Keweenaw”; this article updates new finds to the spring |
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| 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 |
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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 × 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 |
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| the Atlantic Coast Fall Line, so named from the falls or rapids in rivers at places where they pass from...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: |
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| 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 |
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| exceptional group of copper crystals recovered from a large vug in the fissure vein of the Cliff mine; the largest...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy copper. It was originally in...on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...the formation of tabular deposits of fissure vein copper in the thin underlying lava flows. Mineralization |
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| 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; |
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| 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; |
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| Tracing the Source of Native Copper Mineral Specimens Downloaded by [Library Services City University... with Copper Isotope Values A Case Study Solving the Misidentification of CM21474: Michigan vs. Namibia...collecting native copper specimens for analysis from the rock piles of the Champion No. 3 mine at Painsdale...Painsdale, Houghton County, Michigan. Note the Champion No. 4 mine shaft house in the distance. Marc Wilson photo...Minerals: Specimen CM21474 showing small, distorted copper crystals in a large arborescent grouping, 27.5 |
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| MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...INTRODUCTION The Keweenaw Feninsula is well-known for its fine specimens of copper, datolite, calcite...afford little material of interest besides the usual copper and silver. With mounting discouraging trips, we...particularly pumpellyite and chlorastrolite and copper xls can only be fully appreciated by use of a microscope...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible |
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| Michigan’s Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents.......................................... 2 The Keweenaw Peninsula ............................................................ 6 Europeans Come to the Copper Country .........................................Ontonagon Copper Boulder ............................................................... 18 The Copper Rush...Michigan’s Copper Country – CMG 92 01 - page 1 of 144 Preface Few people realize that Michigan's copper had |
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| 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 |
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| instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...production of minerals, principally Gold, Silver, Copper, Iron, Lead, Manganese and Zinc, along with lesser...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds, etc |
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| tufts ACTINOLITE: Bull Run Quarry, Loudon County, Virginia, USA. sprays and tufts ACTINOLITE,variety AMIANTHUS:Steintal...ACTINOLITE,variety BYSSOLITE: French Creek, Pennsylvania, USA. sprays and tufts ACTINOLITE SMARAGDITE:Micciano...ADAMITE: Ojuela Mine, Mapimi, Durango, Mexico. crystals ADAMITE,variety CUPROAN:Gold Hill, Utah, USA. crystals...AFWILLITE: Crestffiore Quarry, Riverside, California, USA. massive AGRELLITE: KipawQ River, Villodieu Township...ALABANDITE:Tombstone. Arizona, USA. massive ALBERTITE(HYDROC,\RBONl: Prince Albert County. Nova Scotia, massive |
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| 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...DRC as well (see figure 2). Today, the Mindingi Mine continues to produce wonderful malachite specimens...specimenand image. Nickel Laterite From the Tiebaghi Mine, New Caledonia Bob Werner werner@lcturbonet.com |
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| 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 |
