 | | Report (issue) | | Geology and Ore Deposits of the Cuyuna North Range Minnesota GEOLOGICAL SURVEY PROFESSIONAL PAPER...407 Geology and Ore Deposits of the Cuyuna North Range Minnesota By ROBERT GORDON SCHMIDT GEOLOGICAL...1924Geology and ore deposits of the Cuyuna North range, Minnesota. Washington, U.S. Govt. Print. Off....87-91. l.Geology Minnesota Cuyuna North range. 2.Ore-deposits Minnesota Cuyuna North Range. S.Iron ores Minnesota...Minnesota Cuyuna North range. I.Title: The Cuyuna North range, Minnesota. (Series) For sale by the Superintendent |  | | Journal (article/letter/editorial) | | 1965 IRON PHYLLOSILICATES OF THE CUYUNA DISTRICT IN MINNESOTA R. L. Bre.rB, Minneapolis Metallwrgy...of the Trommald iron-formation in the Cuyuna district, Minnesota, showed the following minerals in order...iron-formations of the Lake Superior region are: nontronite reported by Ayres (1940) and Gruner (9a6); chlorite...vugs in goethite ore. Recent publications on the Cuyuna district are those of Schmidt (1955, 1958,1959...Fellowship in cooperation with the University of Minnesota to examine further the iron phyllosilicate minerals |  | | Journal (article/letter/editorial) | | variety of volcanic and sedimentary rock types and range in thickness up to a b o u t 300 m (Table I). SVOP-IF...(Markland, 1966). SVOP-IF displays the greatest range in silica content among classified iron-formation...Canada Sweden Sweden USSR Canada Canada Canada USA 1 2 3 4 5 6 7 8 9 iO ii 12 >60 24 ...9 Helen, iO Outerring; Precambrian !~7:ii Pickle Crow; {$iddle-Late Precambrian W: 12 Soudan B2 AI ...6 .... 19 USA 230 Cg,fLs Mn,Gn,St Cht,Cal 46 4 0.90 18.7 19.7 0.63 2.98 20 USA 153 sMu,tMu |  | | Journal (article/letter/editorial) | | biogenic nontronite developed from marine white smoker chimneys. This hydrothermal nontronite is almost...However, Fe2 + is stable over a much larger Eh and pH range from Fe3 +. Generally, under natural conditions...B, Singer A, Stoffers P. 1994. 1994. Biogenic nontronite from marine white smoker chimneys. Clays Clay...manganese in the Huntley Meadows wetland, Virginia, USA. In: Skinner HCW, Fitzpatrick RW, RW, editors. Biomineralization;...review of sedimentary conditions in the Cuyuna north range, Minnesota. In: Skinner HCW, Fitzpatrick RW, editors |  | | Report (issue) | | Occurrences of iron-rich beds of Precambrian age 23. North and South America,. 34 24. Europe and Asia__--___--_36...depositional or diagenetic origin, have a wide range of physical and chemical properties, in part because...hematite, and magnetite; siderite, with a substantial range in amounts of manganese, magnesium, and calcium...iron-formation. The iron-rich rocks have a great range of physical and chemical characteristics. In part...region those of the Mesabi, Gogebic, Marquette, Cuyuna, and Iron RiverCrystal Falls districts are in large |  | | Journal (article/letter/editorial) | | Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh NC 27695-8208...voluminous literature to appreciate either the range of iron-formation characteristics or the conflicting...martite marcasite magnetite maghemite minnesotaite nontronite iron-rich phosphates other than vivianite pyrrhotite...Agbaja+Batati !?ace MEoee Pale LL cret LL cret Tunisi USA USA USA Nigeti 34”16N 32”59N 4O”lf~N 40”23N T”50N 80463...EM SiIu EM Siiu EM Silo EM Silo E Silo USA USA USA USA USA 76 77 78 79 80 scos INT3 SCOS scos SVOP |  | | Book | | G.B. MOREY Minnesota Geological Survey, 1 6 3 3 Eustis Street, St. Paul, Minnesota 55108, U.S.A. .... . . . . . . . . . . . . . Iron-formations of north-central Wisconsin . . . . . . . . . . . . . . ....the term and gave it an unchallenged position in North American literature; he included in the term “all...volcanic, or metasedimentary rocks”. The local Minnesota name “taconite”, earlier used as a synonym of...which would have been called “iron-formation” in North America (e.g., Wagner, 1928). While Beukes (1973) |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...Series A compositional series is defined as a range of mineral compositions in which, for instance,...minimum/maximum values are provided, they show the range found for different optical axes in cases of optical...mineral section. All minerals of a particular colour range are sorted according to their average reflectance...with small specs of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, |  | | Journal (volume) | | of the Pic de Fon Iron Oxide Deposit, Simandou Range, Republic of Guinea, West Africa I. L. Cope, J....Brief History of High-Grade Iron Ore Mining in North America (1848-2008) Philip E. Brown 361 Part IV...four sheets at a 1:100,000 scale in the Espinhaço Range and has worked widely in Brazil and shield South...Mineração Santa Blandina, and Amarillo Gold, on a broad range of commodities, including gold, diamonds, iron,...is professor of economic geology and teaches a range of undergraduate and graduate classes, many with |  | | Report (issue) | | Geological Survey encompass projects that span the full range of the geological sciences. The volume and complexity...Commission Nevada Bureau of Mines, University of Nevada North Carolina Department of Conservation and Development...-___________________ Beryllium and fluorspar in the Thomas Range, Utah_________________________ Black Hills pegmatites..._ Colorado Plateau.______________________ Gila County, Arizona_--__-_--__--------Crooks Gap area, Wyoming...us lignite in the Williston basin, Montana and North Dakota___-_____-Chattanooga shale, Tennessee and |  | | Report (issue) | | financially in part by, the numerous Federal, State, County and City agencies listed on pages A133 to A136...States__________________ Massive-sulfide copper deposit in North Carolina.._ __________________________ Magnetite..._____________________________ Pegmatites in the Blue Ridge area, North Carolina. ____________________________ Aluminum...____________ Quality of ground water, Delaware County, New York_._____________________________ Shield...Wyoming. _ _ _ . _ Ground-water investigations in North Dakota. _ Ground-water investigations in South Dakota |
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