 | | Journal (issue) | | Mineral Localities: The Soudan mine, Vermilion Range, St. Louis County, Minnesota ........................Wallace Famous Mineral Localities: The Old Gunnislake mine, Callington District, Cornwall, England ..........inclusions, 4.5 cm, from the Soudan mine, Vermilion Range, St. Louis County, Minnesota. Don and Gloria Olson...FineMineral.com AQUAMARINE ON MUSCOVITE Chumuru Mine, Nagar, Hunza Valley, Gilgit District, Northern...$327/three years, (Canada) $180/one year, (outside USA other than Canada) $259 per year Subscription (individuals |  | | Report (issue) | | .' ' , ' '- llhtltttfsuy ·of 11iurttsitta MINNESOTA GEOLOGICAL SURVEY " , WILLIAM H.EMMON~,' Director...MAGNETITE I. DEPOSITS'OF' NORTHERN, ST~ 'LOUIS ,'COUNTY, ,MINNESOTA" ' .,' _:.1 ", ,'BY 'FRANK"F.GROUT'...MINNEAPOLIS T~e University of Mi~,nes'ota " ," Vermilion River, a few mi les southwest of Crane Lake appears...granite intrusives. Uuiurrsity nf ~iuursntu. MINNESOTA GEOLOGICAL SURVEY Vv'rLLIAM H. EMMONS, Bulletin...GEOLOGY AND MAGNETITE DEPOSITS OF NORTHERN ST. LOUIS COUNTY, MINNESOTA BY FRANK F. GROUT ]\[INNEAPOLIS The |  | | Report (issue) | | GEOLOGY AND GEOCHRONOLOGY OF MINNESOTA UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY GEORGE M...The Precambrian Geology and Geochronology of Minnesota BY SAMUEL S. GOLDICH, ALFRED O. NIER, HALFDAN...KRUEGER MINNEAPOLIS • 1961 THE UNIVERSITY OF MINNESOTA PRESS PRINTED IN THE UNITED STATES OF AMERICA...and made the project possible. In addition the Minnesota Geological Survey supported the project, particularly...publication. The Graduate School of the University of Minnesota also made notable contributions of funds at critical |  | | Report (issue) | | P. WALCOTT, ])irector THE VERMILION IRON-BEARING DISTRICT OF MINNESOTA \VITH J. AN ATLAS M:oRG^]sr...or Giants range. Area north and northwest The gabbro plateau 35 of Giants 36 37 38 range Gunfiint...166 Metamorphism of the greenstones Section III. Soudan formation Occurrence and character 169 172 172...portion of the Soudan formation Microscopic characters of the fragmental portion of the Soudan formation Macroscopic...Intricate foldmg of the elastics associated The Soudan formation with the iron-bearing formation iron-ore |  | | Report (issue) | | ", UNIVERSIT-Y OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY WILLIAM H. EMMONS, DIRECTOR BULLETIN 80 MINERAL...MINERAL RESOURCES OF MINNESOTA EDITED BY WILLIAM H. EMMONS AND FRANK F. GROUT' MINNEAPOLIS . 1943... MIN N E SOT APR E S S UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY WI L L I AM H. EM M 0 N...IRE C TOR BULLETIN 30 MINERAL RESOURCES OF MINNESOTA EDITED BY WILLIAM H. EMMONS AND FRANK F. GROUT...UNIVERSITY OF MINNESOTA PRESS FOREWORD This resume of the mineral resources of Minnesota is introduced |  | | Report (issue) | | BIBLIOGRAPHY OF MINNESOTA 1951-1980 GEOLOGY ves ai é Lita: ae i if “Pe va MINNESOTA GEOLOGICAL...DIRECTOR BULLETIN BIBLIOGRAPHY SURVEY 46 OF MINNESOTA GEOLOGY 1951-1980 COMPILED G.B. MOREY, NANCY... BY BALABAN, AND LYNN Gn UNIVERSITY OF MINNESOTA ST. PAUL e 1981 SWANSON ISSN 0076-9169 @ ISBN...ISBN 0-934938-01-6 The University of Minnesota is committed to the policy that all persons shall have...bibliography brings Minnesota Geological Survey Bulletin 34, ‘‘Bibliography of Minnesota Geology,’’ by T |  | | Journal (article/letter/editorial) | | Clive Russ, photographer May-June: Quartz, Soudan, Minnesota; Wendell Wilson, photographer July-August:...196 Agates, Minnesota, 130 Alabama, Indian Mountain, 152 Alexander, E . C : Jr., Minnesota Caves, 118;...Places of Geological and Mineralogical Interest in Minnesota, 132 Allanite, 253 Allan, Thomas, 253 Alstonite...Anthonyite, 12 Anthony, W., 12 Arizona: Mammoth, St. Anthony Mine, Tiger, Arizona, 5; Minerals Named for Persons...202; 204 Becquerelite, 249 Bedrock Geology of Minnesota, G . B. Morey, 109 Bementite, New Jersey, 210 |  | | Book | | Florence, and Iron River Gogebic iron district Vermilion iron district Mesabi iron district Accounts of...developments 45 ., 45 Clinton iron ores of Dodge County, Wis 45 Paleozoic iron ores in western Wisconsin...Bibliography 73 Michigan Northern Wisconsin Minnesota 77 Ontario 81 Lake Superior region (general)...dif trict.s in detail Gabbro St. 91 ])lateau Louis plain Vermilion 92 94 district Rainy Lake and...ridges General statement 98 99 , Northeastern Minnesota The lowland 99 100 100 102 102 102 103 105 |  | | Report (edition) | | UNIVERSITY OF MINNESOTA Minnesota Geological Survey PAUL K. SIMS, DIRECTOR BULLETIN 37 PHOTOGRAPH...University of Minnesota Press, MinncajJolis Copyright 195.4,19138 by the UNIVERSITY OF MINNESOTA All rights...Departments of Botany and Geology of the UniveTsity of "Minnesota Preface THIS volume has been prepared in an...attempt to make available to the citizens of Minnesota a general summary of the major geological features...Yet how many of the thousands of citizens of Minnesota employed in these enterprises understand the geological |  | | Journal (article/letter/editorial) | | [University of Arizona] at 22:38 24 August 2017 SOUDAN, MINN., IRON MINE CLOSES Editor R&M: I am writing this letter...familiar with the Soudan, Minnesota area. Soudan is noted for its famous underground iron ore mine. It is the...perhaps. The mine is also the oldest in the state, shipping out its first shipment in 1884. The mine has been...or two. It was a black day on Dec. 15, 1962. Our mine which we thought would never close down, finally...our ore had to be sold for less, thus making our mine too costly to operate. Can you imagine the vast |  | | Report (edition) | | .i WM. R. JUDD UNIVERSITY OF MINNESOTA Minnesota Geological Survey GEORGE M. SCHWARTZ, DIRECTOR...Min1leapolis Copyright 1954 by the UNIVERSITY OF MINNESOTA All rights reserved. No part of this book may...attempt to make available to the citizens of Minnesota a general summary of the major geological features...Yet how many of the thousands of citizens of Minnesota employed in these enterprises understand the geological...foundation of our wellbeing, the hope of our future. Minnesota, though known as an agricultural state, has great |  | | Journal (article/letter/editorial) | | [University of Arizona] at 21:41 24 August 2017 SOUDAN, MINN., IRON MINE CLOSES Editor R&M: I am writing this letter...familiar with the Soudan, Minnesota area. Soudan is noted for its famous underground iron ore mine. It is the...perhaps. The mine is also the oldest in the state, shipping out its first shipment in 1884. The mine has been...or two. It was a black day on Dec. 15, 1962. Our mine which we thought would never close down, finally...our ore had to be sold for less, thus making our mine too costly to operate. Can you imagine the vast |  | | Journal (article/letter/editorial) | | July-August I925 THE VERMILION BATHOLITH OF MINNESOTA' FRANK F. GROUT University of Minnesota ABSTRACT This...petrology of the largest granite batholith in Minnesota. The granite is of Algomian age and reached its...batholith of northern Minnesota is that north of Vermilion Lake, here called the Vermilion granite. Its bounding...the Minnesota Geological Survey. 2 A bulletin on the geology and magnetite deposits of northern St. Louis...Louis County is nearly ready for the press. The mass has been shown, in part, in maps of the Final Report |  | | Journal (issue) | | ................................. 300 SOUDAN, MINN., IRON MINE ·······················································-...Sig!o XX which was to be our headquarters for the mine examination work. The Potino Mines and Enterprises...Miraflores which is about one mile from Uncia. As the mine was worked to greater depths, an adit was drilled...an Indian woman off of the sorting tables at the mine. She had cooked for another white man at some former...laboratory assistants were taken from the mill and mine. Most of them could speak some Spanish but they |  | | Journal (article/letter/editorial) | | identifiedfrom the Mesabi, Cuyuna, and Vermilion districts of Minnesota. The distinctive differencesin the...of kaolin minerals present in the Michigan and Minnesota areas are believed to be indicative of differences...martite, talc, chlorite, sericite, serpentine,chalcopyrite, and the clay mineral dickite (28) in the ores...occurrencein the ores, are native copper [Mesabi range (29)], magnesiosussexite [Gogebicrange (26)], chromium...district, 5 from the Cuyuna district, and 6 from the Vermilion district. One specimenfrom the Steep Rock district |  | | Report (issue) | | SHIRLEY, AND SEMINOE IRON-ORE DEPOSITS, CARBON COUNTY, WYOMING By T. S. LOVERING INTRODUCTION AND ACKNOWLEDGMENTS...this report are in the northern half of Carbon County, Wyo. (See fig. 27.) The Rawlins " paint-rock "...of these the Medicine Bow Mountains and the Park Range or Sierra Madre continue into Wyoming. About 75... the axes of the IRON-ORE DEPOSITS OF CARBON COUNTY, WYO. 205 Rocky Mountain ranges swing toward...the North Platte River between the Rattlesnake Range on the north and the Green River Mountains, the |  | | Book | | org/details/midwestgemfossil0000zeit Midwest Gem, Great Minnesota, Fossil and Mineral Trails Lakes States Wisconsin...our knowledge and enjoyment of this great owners, mine and quarry operators and science by collecting....Lake Superior agate ever reported was found in Minnesota, and new species of fossils have been collected...first. The states start with the farthest west, Minnesota, and move in sequence to the farthest east, Ohio...shoreline are east of the Mississippi except for Minnesota, where the Mississippi originates in the northcentral |  | | Report (issue) | | and pre-Cambrian geology of the Hartville iron range, Wyoming, in the field season of 1906, the writer...mining men of the district, particularly to Messrs.'Louis B. Weed, of Sunrise; C. A. Guernsey and W. T. Kelley...for 1887, p. 7G. Idem for 1888, p. 59. BICKETTS, Louis D., Ann. Kept. Territorial Geologist to Governor...article in this bulletin on the Hartville iron range (pp. 190-205). The geologic column consists of the...chrysocolla. In 1879 the blanket vein of the Silver Cliff mine was discovered by John Madden, and two years later |  | | Book (volume) | | 8.W.l; 37 .Jlete1" l>troot, 1,!pJ:1,the.s;Ulr; 1 St. .Aoilz·t>w's Ore11,Wnt, Oardilf; aud B3 ~•orth o...Street, London, S.W.1; 37 Peter Street, Manchester; 1 St. Andrew's Crescent, 0ardilf: and 23 Forth Street...import large quantities of ore to supply their bh~st furnaces, the United States is practica,lly independent...region : including the furnaces in Michigan, Minnesota, Wisconsin, Missouri, Illinois, Indiana, Ohio...I t occupies parts of Michigan, Wisconsin and Minnesota, and continues across the International Boundary |  | | Journal (issue) | | The Earth Science Publishing Company, 77 Victoria St., Revere, ass. Entered as second class matter Apri]...Aerial Survey Discloses Extension of te . Vermilion Range Iron Formation POTENTIAL MINERAL RESOURCES...AERIAL THE SURVEY EARTH SCIENCE DISCLOSES RANGE IRON Discovery of MINNEAPOLIS, Oct. 20 a previously...extension of the rich Vermilion range iron formation in northern St. Louis county was reported today by...of the Minnesota Geological survey and a professor of geology at the University of Minnesota Aeromagnetic |  | | Book | | of mining will find most mine managers willing to help, even though the mine may not be open to casual...State Offices of Information, Chambers of Commerce, mine managers, and Bureau personnel have freely contributed...old shafts! Always use available guide services. Mine openings (tunnels, adits, open pits) should never...during active operations, they are swept out of the mine by the controlled ventilating current. Remember...oldest mines usually are private property. Most mine owners do not object to the collection of a few |  | | Report (issue) | | ,. , .. .. Minnesota Geological SUrver LIBRARY MINNESOTA .. GEOlO~ SURVEY UN,VE"" Of . . .saTA...---------- BULLETIN NO.6. '£Hl~ IRON ORES 0]' MINNESOTA, THEIR GEOLOGY, DISCOVERY, ORIGIN, AND DEVELOPMENT...published at their own expense,] THE IRON ORES OF MINNESOTA. CONTENTS. Pa,gc. Preface ....................the earlier Minnesota reports have said ............... . (1). The magnetites of the Vermilion schists ....................... . (b). Qualities of the Vermilion magnetites (1). Chemical .................... |  | | Journal (issue) | | Harker, 42 Oxford St., Leicester LE1 5XW South Africa: Horst Windisch, 30 van Wouw St., Groenkioof, Pretoria...13 LAKEWOOD. COLORADO 80226 156 26 TREGESEAL, ST. JUST, PENZANCE, CORNWALL, ENGLAND W rite: P.O....Tungsten Mine Trumbull, Connecticut The Long Hill tungsten deposit at Trumbull, Fairfield County, Connecticut...produced good crystals, is located in Trumbull’s Old Mine Park. Mining was never very prof itable and the...drinking water, a comfort station, and parking lot Old Mine Park is today an attractive and popular recrea |  | | Journal (article/letter/editorial) | | pyrite tennantite, aresenopyrite, galena, and chalcopyrite. Gold mineralization associated with silica-barite...alunite, tourmaline, carbonates, sporadic pyrite, chalcopyrite, galena, stibnite, and native silver (Cottard...association of gold includes barite, quartz, pyrite, chalcopyrite, tennantite goethite, galena, arsenopyrite,...gold are quartz, pyrite, arsenopyrite, galena, chalcopyrite, tennantite, chalcocite, covellite, leucoxene...stringers and is partly included in the pyrite and chalcopyrite. It is restricted to the quartz veins and wall |  | | Journal (article/letter/editorial) | | sometimes apparentbut more often subjectto a wide range of speculation. The ores are of Tertiary--probably...are operating in the area and a third--the Young mine•is being developed. The area is underlainby folded...were most favorableto depositionof the primary chalcopyrite. (3) The intensity and extent of supergeneenrichmentare...CARMAN MINE, RIDLAND Consulting Geol., Den•er, Colo. The operatorof the Cold Spring mine is conductingan...situatedin the west-centralsectionof the Boulder County tungstenbelt, thirty miles northwestof Denver, |
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Soudan Mine, Soudan, Vermilion Range, St. Louis County, Minnesota, USA