 | | 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) | | 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...in the Brule River area ___________ Saunders Formation ______________________ Description. ___________________________ |  | | 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...Goodrich quartzite._ ______ Hemlock formation __________ Fence River formation._ Amasa formation__ ________ |  | Planavsky, Noah J., Slack, John F., Cannon, William F., O'Connell, Brennan, Isson, Terry T., Asael, Dan, Jackson, John C., Hardisty, Dalton S., Lyons, Timothy W., Bekker, Andrey (2018) Evidence for episodic oxygenation in a weakly redox-buffered deep mid-Proterozoic ocean. Chemical Geology, 483. 581-594 doi:10.1016/j.chemgeo.2018.03.028 | Journal (article/letter/editorial) | | 06520, USA 2 U.S. Geological Survey (Emeritus), National Center, MS 954, Reston, Virginia 20192, USA 3 Department...Oceanographic Institution, Woods Hole, MA 02543, USA 4 Department of Earth Sciences, University of California-Riverside...California-Riverside, Riverside, California 92521, USA US *corresponding author: noah.planavsky@yale.edu...pockets of euxinia ED existing in predominantly iron-rich (ferruginous) deep waters. The Animikie Basin...through the ~1.85 Ga Stambaugh Formation (Paint River Group) in the Iron RiverCrystal Falls district of |  | | 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 |  | | Journal (article/letter/editorial) | | Economic Vol. 68, 1973, pp. 934-959 Precambrian Iron-Formations of the United States * R. W. B^YLE¾^m)...The thickest and most extensive Precambrian iron-formations of the United States are in the Lake...Superior region, in Minnesota, Wisconsin, and Michigan. Thinner units occur within the Precambrian cores...of Colorado, New Mexico, and Arizona. The major iron-formations in the Menominee, Marquette, Gogebic...2 b.y. Lithologic associationsand detailed iron-formation stratigraphy,however, differ greatly from one |  | | 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) | | Geology of the Little Commonwealth area Florence County, Wisconsin by Robert W. Johnson, Jr..> /*?«2 V...of the Little Commonwealth exploration, Florence County, Wisconsin . < Figure 1* Map shoving location...and generalized geology of the Crystal Falls, Michigan, and Florence, Wisconsin, area .................martitic quartzite, showing distribution of martite and iron silicates .*.....««»......«... / 12, 64 Photomicrograph...sequence of Precambrian rocks in Iron and Dickinson Counties, Michigan . . . . 10 2* Mineral assemblages |  | | Journal (article/letter/editorial) | | Bdtain, Connecticut 3 Ia chlorite, Vicar mine, Michigan. 4. Io cookeite, Londonderry, Western Australia...spacingsof cation ordering, of different pressuresof formation, and of the presenceof Fe3+ or other cations not...to the energy available in the environment of formation. The stable chlorite in normal chlorite grade...(orthohexagonal16) contained in certain European oolitic iron ores tend to recrystallize to a monoclinic chlorite...orthohexagonal and monoclinic Ib types. The oolitic iron-rich chlorites studied by von Engelhardt probably |  | | Report (issue) | | of Geochemistry ' * Chapter W. Chemistry of the Iron-rich Sedimentary Rocks GEOLOGICAL SURVEY PROFESSIONAL...FLEISCHER, Technical Editor Chapter W. Chemistry of the Iron-rich Sedimentary Rocks By HAROLD L. JAMES GEOLOGICAL...PAPER 440-W Chemical composition and occurrence of iron-bearing minerals of sedimentary rocks, and composition...distribution, and geochemistry of ironstones and iron-formations UNITED STATES GOVERNMENT PRINTING OFFICE..._________ ___________________ Iron minerals of sedimentary rocks __ ______ Iron oxides __ _______________________ |  | | Journal (article/letter/editorial) | | F’rintcd in U.S.A. Genesis of Proterozoic iron-formation: Sulphur isotope evidence E. M. CAMERON Geological...sulphide-facies iron-formation have been sampled. They are associated with Proterozoic iron-formations that...sediments beneath the anoxic waters, while some iron and manganese was deposited on oxygenated shelves...ironformation. INTBODUCI’ION THE GENESIS of the great banded iron-formations of the Precambrian have been debated...century. Of particular interest is the source of the iron and silica, with opinion dividing between volcanic |  | | Book | | 94 r Ri 35–36 olf W 51 67 2 8 8 8 53 MICHIGAN ver 68 Lake Chippewa 41 2 60–66 11 9–10...Janesville 12 3–4 Racine 1–2 12 90 94 14 Michigan 94 ke 44 53 nsin 34 41 Wi s co 61 r...��������������������������������������� 149 43. Black River Falls Iron Mine ������������������������������������������������������������...�������������� 176 52. Bradley Iron Mine Hematite and Iron Formation������������������������������ 179...������������������������������ 188 56. Florence Iron Mine ����������������������������������������� |  | | 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...by a few diabase dikes. The resistance to post-formation thermal events shown by the various minerals 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 |  | | Book | | Developments in Precambrian Geology 6 IRON-FORMATION: FACTS AND PROBLEMS DEVELOPMENTS IN PRECAMBRIAN...MEL’NIK Precambrian Banded Iron-formations. Physicochemical Conditions of Formation DEVELOPMENTS IN PRECAMBRIAN...PRECAMBRIAN GEOLOGY 6 IRON-FORMATION FACTS AND PROBLEMS Edited by A.F. TRENDALL Geological Survey, Department...c a t i o n Dai:, Main entry under title: Iron-formation, facts and problems. (Developments in Pl’ecmbrian...c) I n c l u d e s bibliograrhies ;rd index. 1. Iron ores. I. Trendall, A. F. (Alec FraEcis) 11. Morris |  | | Journal (article/letter/editorial) | | the Gunflint Formation, Ontario: evidence for the origin of early Proterozoic iron-formation William J....the Gunflint Formation, Ontario: evidence for the origin of early Proterozoic iron-formation. Precambrian...Gunflint Formation, in the Thunder Bay district of Ontario, principally comprises iron-formation, overlain...overlain by an iron-poor limestone/doiostone member (the Upper Limestone Member). Rocks are virtually unmetamorphosed...unmetamorphosed and metamorphosed iron-formation and to study the changes from iron-rich to iron-poor sedimentation |  | | Journal (issue) | | GAS RECENT INNOVATIONS John C. Osmond LAND MICHIGAN 1100 Ring Building, Member— Audit Bureau of...operating partner in venture, known as Carbon County | Coal Co., owned jointly with Rocky Mountain...investment in the partnership. Expenditures by Carbon County Coal to develop the mine are expected to approximate...acquired several related coal companies in Pike County, Ky. for about $10.5 million. Of this sum, $8...involves incorporating magnetic material, such as magnetite, in the ion exchange or sorbent medium. | The |  | | 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...characteristics _________________ _ Quinnesec Formation __________________ _ Previous investigations ______________ |  | | Report (issue) | | Deposits of the Palmer Quadrangle, Marquette County, Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources PAPER 769 Bedrock...Deposits of the Palmer Quadrangle, Marquette County, Michigan By JACOB E. GAIR With a section on THE EMPIRE...EMPIRE MINE By TSU-MING HAN, CLEVELAND CLIFFs IRON CoMPANY GEOLOGICAL SURVEY PROFESSIONAL PAPER 769...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources A1iddle Precambrian |  | | Report (issue) | | subtidal-shelf deposition of Superior-type banded iron-formation . Richard W. Ojakangas Lower Proterozoic volcanic...Great Lakes region but also for providing in¬ formation on the nature of early Proterozoic tectonics,...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 |  | | Report (issue) | | region underlie parts of Minnesota, Wisconsin, and Michigan, very near the geographic center of the North...of geosynclinal affinity and includes the great iron-formations of the region. These rocks are bounded...of Minnesota, northern Wisconsin, and northern Michigan, very near the geographic center of the North...Minnesota (Morey, 1983a,b), and in Wisconsin and Michigan (Sims and Peterman, 1981, 1983; Sims and others...Stratified rocks of the Animikie basin-Includes the major iron-formations of the region (Age,:::::: 2,100-1,860 |  | | Journal (volume) | | Economic Geology Volume 15 BANDED IRON FORMATION-RELATED HIGH-GRADE IRON ORE Editors S. Hagemann, C. Rosière...Economic Geology, Vol. 15 Banded Iron Formation-Related High-Grade Iron Ore S. Hagemann, C. Rosière, J...Companhia Vale do Rio Doce (Vale) TIER 2 Kumba Iron Ore ASSMANG TIER 3 Centre for Exploration Targeting...Biographies vii Introduction: Banded Iron Formation-Related High-Grade Iron Ore Steffen Hagemann, Carlos Rosière...of Banded Iron Formations Chapter 1: Origin and Paleoenvironmental Significance of Major Iron Formations |  | | Journal (article/letter/editorial) | | marine-sedimentary associations (70% of Mn is in banded iron formations, 14.4% is in detrital and 11.1% is in...jasper, limestone, sandstone, shale, and banded iron formation are statistically the most common immediate...concentration and accumulation that could result in the formation of new metallic deposits in a setting previously...tropical regolith and coluvium over the Archean Iron Ore Series near Joda, Orissa, eastern India. (a)...Skhmerskoe Serra do Navio Aroostook Cuyuna Range Azul Usa (Usinskoe) Woodstock Nsuta 61 57 46 45 43 32 26 |  | | Report (volume) | | Petrography and geochemistry of the Nashoba Formation of the Wachusett-Marlborough Tunnel, Massachusetts... George G. The Metaline district, Pend Oreille County, Washington, [Chap.] 6 in Lead-zinc deposits in...fill of Red Light Bolson, southeastern Hudspeth County, Texas, in Geology of the southern Quitman Mountains...along Maple River in northeastern Clinton County, Michigan, U.S.A. (their morphologic, genetic and geomorphic...preliminary report on a Miocene flora from the Barstow Formation, Barstow, California: Southern California Acad |  | | Report (volume) | | The first compilation, "North American Geologic Formation Names," Bulletin 191, by F. B. Weeks, was published...alphabetical listing of 1,500 North American sedimentary formation names and 100 names applied to igneous rocks,...they had been assigned, and (3) an index list of formation names. The next con1pilation, "The Geologic Time...the history of the nomenclature of a particular formation. For example, the entry for the Ste. Genevieve...superscript (1) shows that the accepted name of the formation as of 1935 was the "Ste. Genevieve Limestone 1n |
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