 | | 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) | | large mass of native copper in the Quincy mine ca. 1918. (Michigan Technological University Archives, Houghton)...Donald Pearce (1941-1989) The “Copper King” The MICHIGAN COPPER COUNTRY L. W i l s o n New Mexico Bureau...t a n l e y J. D y l II Seaman Mineral Museum Michigan Technological University % 1992 T h e M in e...crystal group, 13.6 cm, from an unknown mine in the Michigan Copper Country. Richard A. Kosnar collection;...wrote the classic work on the copper deposits of Michigan in 1929. Photo by Wendell E. Wilson. TENT . |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...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 |  | | 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) | | Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER PO Box 369, 506 Pine Street...5.5 × 10.0 cm, attributed to the South Kearsarge mine. Author’s specimen, Terry Huizing photo. 276 ROCKS...strike of the basalt flow and was the secondmost-productive lode discovered in the Michigan copper district...miners until 1967 when all mining ceased. Many of the mine dumps have disappeared through the years because...only massive concrete foundations mark the famous mine sites. Not all is lost, though. A trip to the A |  | | Journal (article/letter/editorial) | | nodule, 0.9 x 1.1 inches, recovered from the Hancock mine dump by John Perona in 1972. John Perona specimen...A. Jaszczak photo. rom the bowels of a Keweenaw copper mine to the icy depths of Lake Superior, serious...descending a steep 2,000-foot-deep mine shaft in the dead of a Keweenaw winter with only mud and ice for...over heels into the black depths of an abandoned mine. All of this effort was expended on clandestine...and Sciences Michigan Technological University Tom Rosemeyer is a native of Upper Michigan and a graduate |  | | Journal (article/letter/editorial) | | MICROMOUNTING AT THE KEWEENAW PENINSULA, MICHIGAN By PAUL B. MOORE and RICHARD M. 6EGER Depr. of Geolophysical...UNIVERSITY] at 03:21 25 August 2017 INTRODUCTION The Keweenaw Feninsula is well-known for its fine specimens...collectors with limited time, may we suggest the Hancock Mine (on Ingot St., Hancock). The dump looks terrible...chlorite minerals are the best found anywhere in the Keweenaw Peninsula. PUMPELLYITE (6Ca0.3Al 2 0 3 .7Si0 2...occurring as vesicular fillings in the amygdaloidal basalt. In many cases, it occurs associated with chlorastrolite |  | | 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) | | Iuyw I , < h,,,rl,rp,, ,,I I r,,,,l>,l\ T HE MICHIGAN COPPER DISTRICT stretches in a southwest-northeast...from the White Pine mine in Ontonagon County to Copper Harbor in Keweenaw County. Copper mineralization...stratiform sulfide (chalcocite) deposit at the White Pine mine and (2) the world-class native copper deposits that...conipany's articles of incorporation 1. The amygdaloidal basalt lodes were the next to be developed; they contain...this type of lode start- ed in 1856 at the Quincy mine. Later came the conglomeratehosted deposits, in |  | | Journal (article/letter/editorial) | | Two New Mines in the Native Copper District of Michigan R. J. WEEGE,J.P. POLLOCK, ANDTHECALUMET DIVISIONGEOLOGICAL...promisingdepositsdevelopedin recentyears in the Michigan native copper district are both in conglomerate...extensionof the famousCalumetand Hecla conglomerate mine. The shapeof the conglomeratelensesand lithology...important contributions. In the followinggeneralacT•IE Michigan native copper depositshave been mined almostc...In December, Paper 144, "The CopperDepositsof Michigan,"by 1970, the decisionwas made to pull the pumps |  | | Journal (article/letter/editorial) | | COPPER ARSENIDES AT MOHAWK, MICHIGAN By PAUL B. MOORE Junior, Chemistry The Michigan College of Mining...Mining and Technology Houghton, Michigan During my early years at Michigan Tech, I became well acquainted...localities throughout the Keweenaw Peninsula. The most notable occurrence was at the Mohawk No. 1 and No. 2 Mines...Mines, Mohawk, Michigan. The shaft heads — now cemented — can still be seen about 50 yards off Route 41...41, just past the village of Mohawk (about 14 miles north of Houghton). Throughout the dumps circumjacent |  | | Book | | Park 13700 13.25 Lane Garden, Michigan 49835 Tel: (906) 644-2603 Keweenaw Peninsula Jill Barbour (jnbarbour@mtu...Department of Geological Sciences & Engineering Michigan Technological University 1400 Townsend Dr., Houghton...Rocks National Lakeshore P.O. Box 40, Munising, Michigan 49862 Tel: (906) 387-2607 / Email: David_Kronk@nps...Mining Engineering and Sciences (adjunct) Northern Michigan University Marquette, MI 49855 Tel: (906) 227-1176...wildr@michigan.gov Mine Descriptions Rob Porritt, Dept of Geological Sciences & Engineering, Michigan Technological |  | | Report (issue) | | = 10.060(1) Z=2 X-ray Powder Pattern: Kamioka mine, Japan. 5.03 (100), 3.55 (90), 2.509 (75b), 2.430...0.45 2.48 Total 98.70 100.11 100.00 (1) Kamioka mine, Japan; by electron microprobe, average of three...(Fe2.01 Mn0.03 )Σ=2.04 Mo2.98 O8 . (2) Mohawk mine, Michigan, USA; by electron microprobe, average of seven...during low-grade regional metamorphism of basalt (Michigan, USA). Association: Molybdenite, potassic feldspar... fluorite, ilmenite, scheelite, quartz (Kamioka mine, Japan); domeykite, algodonite, nickeline, maucherite |  | | Report (issue) | | Copper Country Ellis W. Courter Contribution to Michigan Geology 92 01 Table of Contents Preface ............................................... 2 The Keweenaw Peninsula ......................................geology and history of the copper deposits of Michigan. Every effort has been made to present accurate...necessarily reflect the policies or practices of the Michigan Department of Natural Resources, Geological Survey...Nonetheless, he was very well known by hobbyists in Michigan and surrounding areas. The National Rockhound |  | | Journal (article/letter/editorial) | | AMYGDULE MINERAL SERIES, RICHARD E. ZONING IN MICHIGAN STOIBER THE COPPER AND EDWARD PORTAGE DISTRICT...of the Michigan copper district ......................... Mineralogyof amygdaloidalrock on mine dumps...Portage Lake lava seriesof the KeweenawPeninsula,Michigan, three overlappingamygdulemineral zones--prehnite...seriesthroughoutthe Lake Superior basin is like that of Keweenaw Peninsula,indicating that the mineral zones have...material to alter other parts of the top to albite basalt. Both alterationprocesses freed chemicalsthat |  | | Journal (article/letter/editorial) | | COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...crystallized copper specimen came from the Central mine and was in the collection of Donald C. Gabriel....exploration 2. Cliff mine 3. Phoenix group of mines 4. Central mine 5. Northwestern mine 6. Central exploration...Resolute mine 9. Hard Rock fissure 10. Iron City (Empire) mine 11. Cape mine 12. Copper Falls mine 13. Clark...Clark mine 14. Point prospect 15. Mendota mine 16. Gull Rock fissure and Laker pocket Figure 3. A 1900 |  | Larson, Peter B, Maher, Kierran, Ramos, Frank C, Chang, Zhaoshan, Gaspar, Miguel, Meinert, Lawrence D (2003) Copper isotope ratios in magmatic and hydrothermal ore-forming environments. Chemical Geology, 201 (3) 337-350 doi:10.1016/j.chemgeo.2003.08.006 | Journal (article/letter/editorial) | | Washington State University, Pullman, WA 99164-2812 USA Accepted 7 August 2003 Abstract Multi-collector...values for hydrothermal native copper from the Michigan native copper district also show a narrow range...intrusions Sample Description d65Cua Thayer – Lindsley Mine, Sudbury; Canada, 0.25 sulfide matrix of impact...16 Intrusive Complex, Canada SW-22 Stillwater Mine, USA; hydrothermally reworked 1.06 sulfides at contact...composition of Cu minerals from the Michigan native copper district, USA Sample Location d65Cua Mineral |  | | 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) | | Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...agates in chunks of the dense basalt matrix at the Wolverine No. 2 mine dump. These small and inexpensive...agate itself. Collected by Ray Just, C & H No. 21 mine, 10 July 2011. uring the past sixty years (1952–2012)...various mine dumps along the Kearsarge copper-bearing amygdaloidal lode in Houghton County, Michigan. These...excavating the agatebearing zone of the Wolverine No. 2 mine dump during the annual Copper Country Mineral Retreat |  | | Journal (issue) | | ..........663 MINERAL COLLECTING IN N ORlHERN MICHIGAN. By 1171n. E. L110 111a •.....•.••.......•..•••...LIBERTI COPPER MINE, MARYLAND. By Vernon / . ~filler .................... 665 THE ALICE ZINC MINE OF SOUTHERN...THE (llJ..4ltltY San Diego County-A Great GemBearing Area San Diego County, California, was at one time...of the M etchosin formation, a series of thick basalt flows and pillow lavas containing lenses of limestone...camp of Copper City, better known as the Tubal Cain Mine. This camp was built around 1918 and had about a |  | | Journal (article/letter/editorial) | | The Mammoth- St. Anthony Mine TIGER, ARIZONA The Mohawk mine. Photo courtesy Arizona Historical Society...Mammoth-St. Anthony mine is located at Tiger, Pinal County, Arizona, Section 26, Township 8 south, Range 16...later to be named the Collins vein in 1879, the Mohawk claim in 1881, and the Mammoth, plus several other...the Old Hat Mining District. In the early 1880s a mine was started on the Mammoth claim, but due to lack...developing into the town of Mammoth. The ore from the mine was hauled the three miles by 20 mule team wagons |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...History and Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles...at the St. Louis mine, located about 1.3 miles east of the village of Laurium, Michigan. This little-known...microcrystals in amygdules contained in a lava flow top. The mine has also yielded uniquely banded agates that occur...of the flat-topped agateproducing mine dumps at the St. Louis mine. The foundation on the right was the |  | Bornhorst, Theodore J., Paces, James B., Grant, Norman K., Obradovich, John D., Huber, N. King (1988) Age of native copper mineralization, Keweenaw Peninsula, Michigan. Economic Geology, 83 (3) 619-625 doi:10.2113/gsecongeo.83.3.619 | Journal (article/letter/editorial) | | Native Copper Mineralization,KeweenawPeninsula,Michigan THEODOREJ. BORNHORST,JAMESB. PACES, Departmentof...to the northwest of the Keweenaw Peninsula THE Keweenaw Peninsulaof Michigan is the location of a dormant...well constrainedby U-Pb dateson zirconsfrom vol- Mohawk (Fig. 1). Although the age of the rocks which host...•OSC'Ed[^ Freda Ss Nonesuch Copper Sh Harbor Cngl MINE Portage Lake Volcanics ß Kearsarge Amygdaloid...northernMichigan,showingthe location of the Wolverine mine and the stratigraphicpositionof the Kearsargeflow |  | | Journal (article/letter/editorial) | | an alteration product of ehalcopyrite in the Alma mine, Leona Heights, Alameda Co., California. Named after...after Mr. G. Chalmers, the super, intendent of the mine. C hocolate-stone. See lacroisite. Chromocyclite...' vitrified' sandstones altered by contact with basalt in central Germany. ~.isenr6merit.' ~qeeferror~merite...pinkishbrown colour and metallic lustre, from the Mohawk mine, Keweenaw Co., 3~ichigan. Analyses agree approximately...12SiO~. 8H~O. France. Named after M. Lassalle, a mine proprietor. Ledouxite. J.W. Richards, Amer. Journ |  | | Journal (issue) | | .. . . . . .. . ......... . .. . .. 144 ANCIENT MINE SAVED GREEK CIVI L I ZATION . ............... 147...state the mineral is now found in the Orenaug Hills basalt quarries near Woodbury, sometimes in good specimens...with crystallized epidote occurs at the Lane's basalt quarries near Westfield, and make very charming...mineral is also common in the copper region of Keweenaw Peninsula, Mich., where is occurs in veins with...America, if not in the world, occur in the traprock (basalt ) quarries of New Jersey, particularly around Paterson |
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