 | | 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) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net All mineral photography...Mineralogy of the St. Louis Mine Houghton County, Michigan Twentieth in a series of articles on the...and minerals of Michigan’s Copper Country Figure 2. An exceptional copper-included agate, measuring 0...central circular red banding contains micro-sized copper inclusions; the rim of the agate contains more...about 1.3 miles east of the village of Laurium, Michigan. This little-known locality is seldom visited |  | | Journal (article/letter/editorial) | | TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter.net Up Twenty-first in...Michigan’s Copper Country from the Depths Underwater Recovery of Agates from Lake Superior KEWEENAW COUNTY...COUNTY, MICHIGAN Tom Rosemeyer is a native of Upper Michigan and a graduate of Michigan Technological University...University. He now spends a good part of the year in the Copper Country researching and writing articles on the...shoreline of Lake Superior at Esery Park, Keweenaw County. Larry Maltby photo (July 2013). Figure 3 |  | | 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-banded Agates Downloaded by [Lulea University of Technology] at 07:04 23 August 2013 Copper-bearing...Lode Houghton County, Michigan TOM ROSEMEYER 57647 Caledonia Street Calumet, Michigan 49913 datolite@charter...using a pinpoint body-scan metal detector to locate copper-bearing agates in chunks of the dense basalt matrix...author’s collection D Figure 2. A 1.1 × 1.2-cm copper-banded agate in the typical dense basaltic matrix...hosts the agates. The amygdule shows a partial copper rim and attractive banding in the agate itself |  | | Book | | Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...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...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |  | | 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 |  | | Report (issue) | | study of surface samples E2 Oronto Group E2 Copper Harbor Conglomerate E2 Nonesuch Shale E2 Freda Sandstone...sedimentary rocks in Minnesota, Wisconsin, and Michigan were examined, sampled, and described with the...throughout the Keweenaw Peninsula in Michigan, and on Isle Royale in Lake Superior. Copper Harbor Conglomerate...Conglomerate The Copper Harbor Conglomerate (Daniels, 1982) is a distinct rock type easily recognized by its...shore of the Keweenaw Peninsula were examined, both areas that typify the Copper Harbor Conglomerate |  | | Journal (article/letter/editorial) | | February 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds...Besse. arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered...at the Gull Rock fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV...localities are arranged geographically, starting with Keweenaw Point and continuing in a southwestern direction...end of the district. Keweenaw Point, Keweenaw County The waters off Keweenaw Point have drawn much attention |  | | 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 |  | | Report (volume) | | 64-66 Supt.of Docs. No.: 119.3:1309 1. Geology-Michigan-Isle Royale National Park-Guide-books. I. Title...Lake Volcanics ______ Rock Harbor-Tobin Harbor area __________ Washington Harbor area_______________ An ancient...ancient alluvial fan the Copper Harbor Conglomerate ________ Tilting and breaking the rocks _____________...minerals of special interest ____________ Native copper widespread but not abundant ____ Chlorastrolite...activities of man in the Lake Superior region. Native copper implements, weapons, and ornaments have been found |  | | Report (issue) | | VOLCANICS (MIDDLE KEWEENAWAN) ON ISLE ROYALE, MICHIGAN Prepared in cooperation with the National Park...Isle Royale, Michigan By N. KING HUBER GEOLOGY OF ISLE ROYALE NATIONAL PARK, MICHIGAN GEOLOGICAL SURVEY...-···-·--· 2 The Portage Lake Volcanics on the Keweenaw Peninsula__ 3 The Portage Lake Volcanics on Isle...--- 13 Scoville Point, Middle Point, and Tobin Harbor Flows -------------------------------- 13 Huginnin...------Correlation between Isle Royale and the Keweenaw Peninsula ----------------------------------- |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...Obviously malachite, an ore of the heavy metal copper, or hematite, an ore of iron, will "heft" heavy... minum oxide); carbonates, such as malachite (copper car- bonate); phosphates, such as apatite; or |  | | 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...botryoidal chalcedony, occasionally with pale Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE...deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | 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...botryoidal chalcedony, occasionally with pale Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE...deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Report (volume) | | :............................................. Michigan.................................................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;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Book (edition) | | Collector and the Tourist includes 1 SOUTH DAKOTA • MICHIGAN • ILLINOIS • IOWA WISCONSIN • OHIO • KANSAS •...Finds ................ Fairburn Type Agate Blue Chalcedony .... Tourmaline ............... Selenite................. Black Agates..................... Chalcedony ..................... THE BADLANDS ............ 47 MICHIGAN ............. 63 WESTERN IOWA ............................ -47 THE KEWEENAW PENINSULA...ISLE ROYALE....................... .66 LOWER MICHIGAN .......... Crystals and Specimens Fossils.... |  | | Journal (issue) | | polished Lake Superior agates containing native copper, native silver, cuprite, tenorite, malachite, bornite...pumpellyite and feldspar, chlorite, amethyst, chalcedony, and calcite. Wayne acquired the agates in Hayward...Hayward, WI, and elsewhere. They were found in Keweenaw County at the Wolverine #2 mine dump (now taken away...away for road gravel) and near Copper Harbor, MI. February 2013 3 Field Trip on February 23 Atlantic...Estimated value: $75. (EFMLS) #4. Float copper specimen from the Keweenaw of Michigan’s Upper Peninsula, along |  | | Journal (article/letter/editorial) | | information: http://www.tandfonline.com/loi/tigr20 Native Copper Deposits and the Disposal of High-Level Waste Michael...this article: Michael O. Schwartz (1996) Native Copper Deposits and the Disposal of High-Level Waste,...Winsron & Son, Inc. All rights reserved. Native Copper Deposits and the Disposal of High-Level Waste M...containers stored in deep geological repositories. Copper has been seriously considered as a container material...material in several wastedisposal projects. Native copper deposits may serve as natural analogues for a chemically |  | | Book (volume) | | Tennessee Virginia West Virginia Massachusetts Michigan New Hampshire New Jersey New York Ohio Pennsylvania...exclusively in the Blue Ridge Mountains of Mitchell County, North Carolina, to be true hiddenite. Preface...Hamlin, were rock hunting on Mount Mica in Oxford County, Maine. On the way home, one of the boys saw a...are kept busy in the Pala district of San Diego County, California, as well. California, in fact, is North...and Texas. Exploration for diamonds continues in Michigan, Wisconsin, Colorado and Wyoming, according to |  | | Report (volume) | | 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;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson | | | Book (volume) | | Illinois Indiana Maine Maryland Massachusetts Michigan New Hampshire New Jersey New York Ohio Pennsylvania... Gf vg ie Cy } \ Al Co } fe Co ( )) MICHIGAN ns en ee | ILLINOIS é ae y \ INDIANA ...exclusively in the Blue Ridge Mountains of Mitchell County, North Carolina, to be true hiddenite. Preface...Hamlin, were rock hunting on Mount Mica in Oxford County, Maine. On the way home, one of the boys saw a...are kept busy in the Pala district of San Diego County, California, as well. California, in fact, is North |  | | Journal (article/letter/editorial) | | THE KEARSARGE Copper-bearing Amygdaloidal Lode Houghton and Keweenaw Counties, Michigan TOM ROSEMEYER...Figure 1. A classic group of free-growing, complex copper crystals, measuring 5.5 × 10.0 cm, attributed to...articles on the mines and minerals of Michigan’s Copper Country Downloaded by [Columbia University] at...KEARSARGE LODE was one of seven blanket-type native copper orebodies that were mined in the brecciated amygdaloidal...secondmost-productive lode discovered in the Michigan copper district. In the heyday of mining it became |  | | Journal (issue) | | 3 SOUTHERN CALIFORNIA LOCALITIES. MICHIGAN'S COPPER COUNTRY. MONEY STONE IN PENNSYLVANIA. 15. Nuevo...15 miles south of Riverside City, in Riverside County. H alfway between Riverside and Nuevo is the famed...·--~ - Whole No. 150 ASSOCIATION MICHIGAN 'S COPPER COUNTRY Keweenaw Peninsula Lake Superior Region ... By J. E. ANDRESS Coming up on U . S. 41 or Michigan 26, one enters the peninsula at H oughton, crossing...beaches, to Copper H arbor. U . S. 41 bisects the peninsula from Hancock to Copper Harbor, 45 miles. This |  | | Report (issue) | | Copper Deposits in Sedimentary and Volcanogenic Rocks GEOLOGICAL SURVEY PROFESSIONAL PAPER 907-C COVER...rhodochrosite 8. Aluminum ore, bauxite, Georgia 9. Native copper ore, Keweenawan Peninsula, Mich. 10. Porphyry molybdenum...Springs, Colo . 14. Tungsten ore, North Carolina Copper Deposits in Sedimentary and Volcanogenic Rocks...TOURTELOT and JAMES D. VINE GEOLOGY AND RESOURCES OF COPPER DEPOSITS GEOLOGICAL SURVEY PROFESSIONAL PAPER...907-C A geologic appraisal of low-temperature copper deposits formed by syngenetic, diagenetic, and |
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Porter's Island, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA