 | | Journal (article/letter/editorial) | | from Metamorphic and Igneous Rocks near Iron Mountain, Michigan by L. T. ALDRICH, G. L. DAVIS, and H. L...determined for minerals from an area in northern Michigan about 35 miles square. Granites, pegmatites, and...patterns of mineral ages. The area around Iron Mountain, Michigan, was particularly suitable for such a study...metamorphic rocks of the area around Iron Mountain, Dickinson County, Michigan. The recent demonstration by Hart...zircon Pb-Pb ages. AGES OF MINERALS, IRON MOUNTAIN, MICHIGAN 447 a) Baltimore Gneiss (Maryland) MINERAL |  | | Journal (article/letter/editorial) | | or equivalent Middle pre-Cambrian(Huronian) rocks Iron-formation shown in solid black Staurolite or equivalent...MENOMINEE GENERALIZED GEOLOGIC MAP OF NORTHERN MICHIGAN, SHOWING METAMORPHIC ZONES BULLETIN OF THE GEOLOGICAL...REGIONAL METAMORPHISM IN THE PRECAMBRIAN OF NORTHERN MICHIGAN BY HAROLD L. JAMES ABSTRACT Precambrian rocks...an area of about 7500 square miles in northern Michigan. Of this area, approximately 3300 square miles...the Huronian sedimentary rocks, especially in the iron formations and the graywackes and slates, and in |  | | Report (issue) | | Geology of the Menominee Iron-Bearing District Dickinson County, Michigan and Florence and Marinette...Division, Michigan Department of Conservation PAPER 513 Geology of the Menominee Iron-Bearing District...District Dickinson County, Michigan and Florence and Marinette Counties, Wisconsin By R. W. BAYLEY, C...cooperation with the Geological Survey Division, Michigan Department of Conservation 'I UNITED STATES...___________________ _ Vulcan Iron-Formation _____________ _ Traders and Curry Iron-Bearing Members_ Brier Slate |  | | Report (volume) | | Geology of the Kiernan Quadrangle Iron County Michigan By JACOB E. GAIR and K. L. WIER GEOLOGICAL...PLATE 1. Geologic map of Kiernan quadrangle, Iron County, Mich. 2. Map showing relationship of magnetic...geology in vicinity of Michigamme Mountain, Iron County, Mich. 3. Geologic cross sections and magnetic...profiles in vicinity of Michigamme Mountain, Iron County, Mich. CONTENTS v PLATE 4. Magnetic pro~s...'i:ron County, Mich. 5. Total-intensity aeromagnetic profiles across Kiernan quadrangle, Iron County, Mich |  | | Report (issue) | | Geology of the Florence Area, Wisconsin and Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared under...Wisconsin Geological and Natural History Survey; Michigan Department of Conservation^ Geological Survey... Geology of the Florence Area, Wisconsin and Michigan By CARL E. DUTTON GEOLOGICAL SURVEY PROFESSIONAL...Wisconsin Geological and Natural History Survey; Michigan Department of Conservation, Geological Survey...________________________________ Discovery and mining of iron ore_________________ Previous geologic work____ |  | | 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 |  | | Report (volume) | | Geology of the Lake Mary Quadrangle Iron County, Michigan By RICHARD W. BAYLEY GEOLOGICAL SURVEY...cooperation with the Geological Survey Division Michigan Department of Conservation UNITED STATES GOVERNMENT...1919Geology of the Lake Mary quadrangle, Iron County, Michigan. Washington, U. S. Govt. Print. Off., 1959...Division, Michigan Dept. of Conservation. Bibliography: p. 108--110. 1. Geology-Michigan-Iron Co. Iron...Iron County, Michigan. (Series) QE75.B9 no. 1077 ----Copy 2. 1. Title: Lake Mary quadrangle, 557.74975 |  | | Report (issue) | | Geology of Central Dickinson County Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation...Division^ Michigan Department of Conservation PAPER 310 Geology of Central Dickinson County Michigan By...cooperation with the Geological Survey Division, Michigan Department of Conservation UNITED STATES GOVERNMENT...relations__ Conditions of deposition._-_____-_-__ Vulcan iron-formation.___.______________ Description ________________________...geology__.___________________________ Definition of "iron ore"_--_-----------------History of mining and exploration |  | | | | fractions. The more mafic fractions with darker iron- and magnesium-rich minerals crystallize first and...world. The Shield’s rich deposits of copper, nickel, iron, lead, zinc, gold, silver, cobalt, uranium, platinum...a : jagged irregular surface like that of broken iron. Test: Colour and the fact that it is sectile. Similar...nugget recorded is from Carson Hill, California, USA, weighing 72.78 kg. Transylvania, Romania; Roraima...a jagged, irregular surface like that of broken iron. Test: The colour of a fresh surface and malleable |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | and Ore Deposits of the Iron River-Crystal Falls District, Iron County Michigan GEOLOGICAL SURVEY PROFESSIONAL...of the Michigan Department of Conservation PAPER 570 Geology and Ore Deposits of the Iron River-Crystal...River-Crystal Falls District, Iron County Michigan By H. L. JAMES, C. E. BUTTON, F. J. PETTIJOHN, and K. L...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT..._______ Greenstone in the Hemlock FormationBird Iron-Bearing Member.._________ Thickness and relations |  | | Report (issue) | | Group ......... . Ely Greenstone ......... . Soudan Iron-Formation Laurentian Intrusives .... . Dikes .....History of the Name .. . Ogishke Conglomerate Agawa Iron-Formation. Principal Rock Types .. . Structure and...Districts .... _ Wisconsin ................. _ Michigan .................. . .5. SOUTHWESTERN l\ | | Report (issue) | | Generalized geologic-tectonic map of northern Michigan and northern Wisconsin.......... Geologic map...epicratonic continental-margin sequence in Upper Michigan and east-central Minnesota and rocks of the Wisconsin...in northeastern Wisconsin and adjacent northern Michigan ................................................subordinate sedimentary rocks, and granitoid intru- Michigan. As part of the study, we mapped in detailed sive...Dunbar area lies a short distance south of the former iron ore-producing Menominee range, which We acknowledge |  | | 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 | | fractions. The more ma.fie fractions with darker iron- and n1agnesiun1-rich 1ninerals crystallize first...world. The Shield's rich deposits of copper, nickel, iron, lead, zinc, gold, silver, cobalt, uranium, pl.atinum...in a jagged in-egular surface like that of broken iron. Test: Colour and the fact that it is sectile. ...nugget recorded is fro1n Carson Hill, California, USA, weighing 72.78 kg. Transylvania, Ron1ania; Rorai... Labrador, Newfoundland; Cap d'Or, Curnberland County, Nova Scotia. Other Localities: Keweenaw Peninsula |  | | Report (issue) | | _______ -: _______________ --- _______ -___ 14. Iron-magnesium variation diagram for basalt and rhyolite...potassium-calcium, aluminum-calcium, and magnesium-iron ratios in basalt and rhyolite of Snake River-Yellowstone...; and crystals of sanidine, high-quartz, and oligoclase are ubiquitous. A single :flow of latite was...near the southwest corner of the mapped monly, oligoclase, but containing almost no mafic minarea. erals...high-quartz, and most also contain crystals of oligoclase. Mafi~ minerals total much less than 1 percent |  | | Report (volume) | | (F) The Reany Creek Formation, Marquette County, Michigan, by Willard P. Puffett. (G) The Aguada Limestone...Formation in the southeastern Kaiparowits region, Kane County, Utah, by Fred Peterson. (K) Summary of Cretaceous...Paleozoic formations of the Mountain City area, Elko County, Nevada, by R. R. Coats________________________________________...City and Owyhee quadrangles, Elko County, Nev., and Owyhee County, Idaho_____ __ 2. Kodiak and adjacent...early Precambrian..-.--.-..-- Upper Peninsula, Michigan-...._. Carney Lake Gneiss of Treves (1960) adopted |  | | Report (issue) | | Marquette and Sands Quadrangles Marquette County Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared...cooperation with the Geological Survey Division of the Michigan Department of Conservation PAPER 397 Geology...Marquette and Sands Quadrangles Marquette County Michigan By JACOB E. GAIR and ROBERT E. THADEN GEOLOGICAL...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT...67 Aeromagnetic survey. Economic geology.. _ _ Iron.__________ Copper.________ References cited_____ |  | | Report (issue) | | Geology of the Negaunee Quadrangle, Marquette County, Michigan GEOLOGICAL SURVEY PROFESSIONAL PAPER 788 Prepared...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources Geology of...of the Negaunee Quadrangle, Marquette County, Michigan ByWILLARD P. PUFFETT GEOLOGICAL SURVEY PROFESSIONAL...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources Description of...Precambrian rocks that contain important sedimentary iron-ore deposits UNITED STATES GOVERNMENT PRINTING |  | | Report (issue) | | . . ALAMANCE COUNTY 5 5 Pyrophyllite ...... f .......... 5 ALEXANDER COUNTY ................. 9 ALLEGHANI COUNTY 1± Manganese ....... f 11 Barite , 11 Copper . 11 ASHE COUNTY. . . . Copper...Staurolite AVERY COUNTY . . ......... 13 13 13 . 13 Iron and Epidote BUNCOMBE COUNTY Garnet ...........13 Moonstone and Associated Minerals 15 BURKE COUNTY 15 Corundijin 15 Itacolumite 15 Toiirmaline...Amethyst f . , 4 .18 CABARRUS COUNTY 18 Minerals of the Cabarms County Mines 18 CALDWELL COUNT! 18 Pyrite |  | | 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...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...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...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Report (issue) | | W 5 KILOMETERS J DICKINSON CO MENOMINEE CO MICHIGAN 87°50' Margeson Creek Gneiss (Archean) rifting...others, 1988). North of the Niagara fault zone, in Michigan and Wisconsin, the Marquette Range Supergroup...Formation, generally as thin lenses of graphitic slate, iron-formation, marble, quartzite, and metagray wacke...Basalts, Lake Superior Region 13 hornblende-oligoclase or hornblende-andesine amphibolite (Bayley and...Geological Survey; and Tom Fox and John Wilban of Michigan State University. ANALYTICAL METHODS Major element |  | | Journal (article/letter/editorial) | | THE TYLER AND THE COPPS FORMATIONS OF THE GOGEBIC IRON DISTRICT BY GORDON I . ATW ATER CONTENTS Introduction.................................................. Iron formation.........................................Geologic map of a portion of the Gogebic iron range, Michigan and Wisconsin.. Longitudinal section through...INTRODUCTION STATEMENT OF PROBLEM The Gogebic iron range is in Michigan and Wisconsin, south of the western end...of Wakefield, Michigan, westward into Wisconsin, to about the west border of Iron County, Wis consin |  | | Report (volume) | | Arizona. II. Massive structure in diorite, Sliasta County, California.........:. III. Rhombohedral jointing...24 VI. High part of South Manitou Island, Lake Michigan, showing forest formerly huried beneath drifting... Thin sections of siliceous oolite from Center County, Pennsylvania, as seen under a microscope: A, in..................... XXIII. Beds of fossiliferons iron ore between beds of limestone, Rochester, New York...XXXIX. Thin sections.of kiinberlitefrom Elliott County, Kentucky, as seen under a microscope......... |
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