 | | 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 |  | | 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 |  | | 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 (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 (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 |  | | Journal (article/letter/editorial) | | Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...and datolite) found in the Upper Peninsula of Michigan also occur in Wisconsin. The major difference...zircon), particularly in the Wausau area of Marathon County (Falster 1987). Middle Proterozoic quartzites (1...and iron formations. A major iron range, the Gogebic Range, extends into Wisconsin from Michigan. The...out. Most are gneisses and amphibolites; some are iron formations, such as that worked near Black River |  | | 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) | | 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 (volume) | | Geology of the Kelso Junction Quadrangle Iron County, Michigan By KENNETH L. WIER GEOLOGICAL SURVEY ...cooperation with the Geological Survey Division Michigan Department of Conservation tUtIV JUN271967 S...geology____-_____-__-___-__-___--____-_______-_-_-______ Iron.________________________________________________________...the western part of the northern peninsula of Michigan._______ 2. Generalized areas of outcrops, swamps... GEOLOGY OF THE KELSO JUNCTION QUADRANGLE IRON COUNTY, MICHIGAN By KENNETH L. WIER ABSTRACT The Kelso Junction |  | | 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 |  | | Report (issue) | | Stratigraphy of Pre-Keweenawan Rocks in Parts of Northern Michigan GEOLOGICAL SURVEY PROFESSIONAL PAPER 314-C Prepared...cooperation with the Geological Survey Division, Michigan Department of Conservation Stratigraphy of...of Pre-Keweenawan Rocks in Parts of Northern Michigan By HAROLD L. JAMES SHORTER CONTRIBUTIONS GEOLOGICAL...cooperation with the Geological Survey Division, Michigan Department of Conservation UNITED STATES GOVERNMENT...group______------___ Dunn Creek slate__________ Riverton iron-formation ______ Hiawatha graywacke.________ Stambaugh |  | | Journal (article/letter/editorial) | | of the Taum Sauk Caldera, southeastern Missouri, USA G. R. LOWELL1,* 1 2 AND P. D. NOLL JR2 Department...Missouri State University, Cape Girardeau, MO 63701, USA Actinide Analytical Chemistry, C-AAC, MS G740, Los...Alamos National Laboratory, Los Alamos, NM 87545, USA ABSTR ACT Stromatolitic carbonate in moat-fill...deposit appeared on 16th September, 1897 in the Iron County Register newspaper announcing discovery of Au...igneous rocks, extends in the subsurface from Michigan to southeastern Missouri (Lidiak et al., 1993) |  | | Journal (article/letter/editorial) | | Crystallographic Investigation. R. C. EuuoNs-Plagioclase Determination by the Modified Universal Stage...ewson-Sussexite from Iron County' Michigan. KBNNTTHK. LaNnBs-The Beryl-Molybdenite Depositof Chaffee County, Colorado...the Maryille Iron Ore of H. N. Frsx-The Significanceof Three Generationsof Plagioclase in an Andesite-basaltFlow |  | | 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 (volume) | | (Lower Precambrian) Rocks in Western Gogebic County, Michigan GEOLOGICAL SURVEY BULLETIN Work done in...Lower Precambrian) Rocks in 'estern Gogebic County, Michigan Jy ROBERT GORDON SCHMIDT GEOLOGICAL SURVEY...cooperation with the \ Geological Survey Division., Michigan \Department of Natural Resources Geologic description...(lower Precambrian) rocks in western Gogebic County, Michigan. (Geological Survey bulletin ; 1407) Bibliography:...Stratigraphic Pre-Cambrian. 2. Geology Michigan Gogebic Co. I. Michigan. Geological Survey Division. II. Title |  | | Report (issue) | | subtidal-shelf deposition of Superior-type banded iron-formation . Richard W. Ojakangas Lower Proterozoic...arranged geographically, from the upper peninsula of Michigan and adjacent Wisconsin, to north central Wisconsin...Precambrian rapakivi massif in north Wisconsin, USA: Precambrian Research, v. 7, p. 287-324. Blackwelder...early Proterozoic (Precambrian X) of northern Michigan [abs.]: Geological Society of America, Ab¬ stracts...north and for chemical sediments, including the vast iron-formations for which the region is famed. The central |  | | | | 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) | | MAP OF THE ENTERPRISE QUADRANGLE, WASHINGTON AND IRON COUNTIES, UTAH By H. Richard Blank U.S. Geological...MAP OF THE ENTERPRISE QUADRANGLE, WASHINGTON AND IRON COUNTIES, UTAH INTRODUCTION This map is the first...jaspillitic sediment-hosted iron deposits, and less abundant but higher-grade vein-iron deposits. All are associated...southeast corner of the Enterprise quadrangle. Numerous iron mining claims in the district were patented in years...vicinity include gold and silver in addition to iron. The Goldstrike district, about 18 km southwest |  | Childress, Tristan M., Simon, Adam C., Day, Warren C., Lundstrom, Craig C., Bindeman, Ilya N. (2016) Iron and Oxygen Isotope Signatures of the Pea Ridge and Pilot Knob Magnetite-Apatite Deposits, Southeast Missouri, USA. Economic Geology, 111 (8) 2033-2044 doi:10.2113/econgeo.111.8.2033 | Journal (article/letter/editorial) | | Geologists, Inc. Economic Geology, v. 111, pp. 2033–2044 Iron and Oxygen Isotope Signatures of the Pea Ridge and...Magnetite-Apatite Deposits, Southeast Missouri, USA* Tristan M. Childress,1,† Adam C. Simon,1 Warren...Sciences, University of Michigan, 1100 North University Ave., Ann Arbor, Michigan 48109-1005 2 U.S. Geological...and these results are compared with data for other iron oxide-apatite deposits to shed light on the origin...Francois Mountains terrane in southeast Missouri, USA, consists dominantly of early Mesoproterozoic (~1 |  | | Journal (article/letter/editorial) | | com/locate/oregeorev The Southeast Missouri (USA) Proterozoic iron metallogenic province—Types of deposits...and genetic relationships to magnetite–apatite and iron oxide–copper–gold deposits John L. Nold a,⁎, Mark...University of Central Missouri, Warrensburg, MO 64093, USA ARC Centre of Excellence in Ore Deposits, University...Available online 10 October 2013 Keywords: Missouri (USA) iron district Proterozoic Magnetite Hematite IOCG-IOA...IOCG-IOA a b s t r a c t The Southeast Missouri (USA) iron metallogenic province within the Mesoproterozoic |  | | 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 |  | Czamanske, Gerald K., Bennett, Pauline C., Zientek, Michael L., Weiblen, Paul W., Havach, George A., Foose, Michael P. (1986) Comprehensive bibliographies on mineralized and unmineralized layer mafic intrusions in the United States. Open-File Report Vol. 1986 (86-589) US Geological Survey doi:10.3133/ofr86589a | Report (issue) | | 1115. Austin, G. S., 1961, Photogeology of Cook County, Minnesota: University of Minnesota, M.S. thesis...intermediate rock in the Duluth Gabbro of northern Cook County, Minnesota: Madison, University of Wisconsin, M...intermediate rock in the Duluth Gabbro of northern Cook County, Minnesota: Institute on Lake Superior Geology...Cu-Ni mineralization in Mineral Lake area, Ashland County, Wisconsin: Madison, University of Wisconsin, M...Structure and lithology of the metamorphosed Biwabik Iron-formation, Dunka River area, eastern Hesabi district |  | | 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 |
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