 | | Journal (article/letter/editorial) | | 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 |  | | 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 (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 (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. |  | | 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 |  | | 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) | | 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) | | 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 |  | | Report (issue) | | STATES GEOLOaiCAL SURVEY CLARENCE KING DIRECTOR THE COPPER-BEAEING ROOKS LAKE SUPERIOR Bv ROLAND IDXJER...ilhistrations of Prof Roland D. Irving's memoir on the Copper-Bearing Rocks of Lake Superior. Very respectfully...herewith the manuscript of my memoir on the Copper- Bearing or Keweenawan Rocks of Lake Superior...Extent and General Nature of the Keweenaw Series Lithology of the Keweenaw Series Section I. Basic Original...III. Summary View of the Original Rocks of the Keweenaw Series Section IV. Detrital Rocks Chapter IV. |  | | Journal (article/letter/editorial) | | 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 |  | | 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) | | 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: |  | | 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.... 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...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |  | | 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) | | 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 |  | | Book | | for naming stilbite, analcime, harmotome, and laumontite although he only popularized and more completely...faujasite, ferrierite, gmelinite, goosecreekite, laumontite, levyne, mazzite, merlinoite, montesommaite,...pressure collapses. At high pressure heulandite or laumontite is replaced by lawsonite, and analcime by albite...was wind-lain and reworked by streams. Single ash falls, up to 8 meters thick, are found. The formation...ago, which is near the end of the period of ash falls (Hay, 1963a). In low-silica tuffs or pyroclastics | | | Book | | for naming stilbite, analcime, harmotome, and laumontite although he only popularized and more completely...faujasite, ferrierite, gmelinite, goosecreekite, laumontite, levyne, mazzite, merlinoite, montesommaite,...pressure collapses. At high pressure heulandite or laumontite is replaced by lawsonite, and analcime by albite...was wind-lain and reworked by streams. Single ash falls, up to 8 meters thick, are found. The formation...ago, which is near the end of the period of ash falls (Hay, 1963a). In low-silica tuffs or pyroclastics |  | | Report (issue) | | 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 |  | | 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 |  | | Catalog/List | | last. TOTAL WRECK WULFENITE: Total Wreck Mine, Pima County, Arizona; Nice butterscotch to near clear...inch specimens, $25.00 each. CAMPYLITE: Dry Gill Mine, Cumberland, England; A unique and rare species...at $15.00 each. BROOKITE: Magnet Cove, Garland County, Arkansas; Dipyramidal thumbnail crystals mounted...structures. $20.00 each DENDRITIC WIRESIL VER Elure Mine, Cobar, NWS, Australia; Fine crystalline wire silver...priced at $20.00 each CINNABAR AND STIBNITE: Gorlovka Mine, Ukraine; Nice thumbnails mounted in plastic perky |  | | 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 |  | | Catalog/List | | good stuff that used to come out of the Marencl mine, ~ut the price is a whole lot better. specimens...laboratory or grew as a secondary mineralization In a copper leaching operation at one of the mines In Arizona...speclmena are $3.00 eaoh. CLEANED COPPER AND MALACHITE: Southwest Mine, Bisbee, Arizona: I've had these...around to it! These are nice specimens full of copper with lots of bright green malachite and other associated...through a quick acid bath then a final cleaning in copper bright. The end result Is quite spectacular and |  | | 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 George Robinson National Museums of Canada Arthur...........19 by O. Johnsen Michigan Native silver occurrences in the copper mines of Upper M ich ig a...Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...photo © SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith |  | | Book (volume) | | 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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