 | | 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 |  | | Journal (article/letter/editorial) | | ECONOMIC Vox.. XXI. THE NOVEMBER, SOUDAN TION GEOLOGY FORMATION AS TO THE AND ORIGIN IRON JOHN...JOHN •926. A OF THE No. 7 NEW SUGGES- VERMILION ORES. W. GRUNER. INTRODUCTION. TaE Soudan...Winehell, N.H., and Winchell, H. V., "Iron Ores of Minnesota," Geol. and Nat. Hist. Survey of Minn. Bull. 6...6, •89•. Winchell, N.H., "The Geology of Minnesota," Geol. and Nat. Hist. Survey of Minn., vol. IV.,...x899. Clements, J. M., "The Vermilion Iron-bearing District of Minnesota," U.S. Geol. Survey Mon. 45 |  | | Report (issue) | | ~-~--- UNIVERSITY OF MINNESOTA lY,IINNESOTA GEOLOGICAL SURVEY G. M. SCHWARTZ. DIRECTOR BULLETIN 34...34 Bibliogr_aphy of Minnesota Geology BY THEODORA G. MELONE AND LEONARD W. WEIS MINNEAPOLIS • 1951...-'- BIBLIOGRAPHY OF MINNESOTA GEOLOGY UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY G. M...SCHWARTZ. DIRECTOR BULLETIN 34 Bibliography of Minnesota Geology BY THEODORA G. MELONE AND LEONARD W...W. WEIS MINNEAPOLIS· 1951 THE UNIVERSITY OF MINNESOTA PRESS Acknowledglnents The following bibliography |  | | 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 |  | | Journal (article/letter/editorial) | | SEPTEMBER 1061 PRECAMBRIAN STRATIGRAPHY OF MINNESOTA BY F. F. GROUT, J. W. GRUNER, G. M. SCHWARTZ,...History Survey of Minnesota as to the sequence of Precambrian rocks in and near Minnesota. Eleven formations...series are not so complete as that in and near Minnesota, and more work is needed to make correlation satisfactory...unconformity 1051 No Coutchiching recognized in Minnesota. . . 1020 Keweenawan Group 1051 Earlier Precambrian...trusives: Keweenaw Point volcanics. . . . 1055 1027 Soudan (iron-bearing) formation Middle Keweenawan basic |  | | 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 (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) | | '" UNIVERSITY OF MINNESOTA Minnesota Geological Survey PAUL K. SIMS, Director Bulletin 34 Supplement...Bibliography of Minnesota Geology by JOHN F. SPLETTSTOESSER and SALLY A. SLOAN Minnesota 1962 .. University... University of Minnesota Minneaota Geological Survey Paul K. SiIns. Director Bulletin 34 Supplement ...BIBLIOGRAPHY OF MINNESOTA GEOLOGY by John F. Splettstoesser and Sally A. Sloan Minnesota 1962 CONTENTS...geology of Minnesota and is intended to supplement M. G. S. Bulletin 34, Bibliography of Minnesota Geology |  | | 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) | | RANGES Figure 1: Open pit mine on a direct shipping orebody, Mesabi Range. Light gray layer at top is...the walls is oxidized taconite. (Photo courtesy Minnesota Department of Natural Resources.) 96 ROCKS AND...LEPP Geology Department Macalester College St. Paul, Minnesota 55105 About three-fourths of the iron ore...productive iron areas; Minnesota's Mesabi Iron Range has accounted for the bulk of this production. ...within the Lake Superior region are called ranges. Minnesota cities like Hibbing, Virginia, Eveleth, and others |  | | 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 |  | | Report (issue) | | MINNESOTA GEOLOGICAL SURVEY PRISCILLA C. GREW, DIRECTOR BULLETIN 47 BIBLIOGRAPHY OF MINNESOTA GEOLOGY...UNIVERSITY OF MINNESOTA ST. PAUL· 1987 ISSN 0076-9169· ISBN 0-934938-02-04 The University of Minnesota is committed...references to the geologic literature on the State of Minnesota issued from 1981 through 1985, as well as omissions...omissions from the previous two bibliographies of Minnesota geology: Bulletin 34 (published in 1951), with...sources; usage in the index reflects current Minnesota Geological Survey style. The last bibliography |  | | 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 |  | | Journal (article/letter/editorial) | | withthoseof thedeepminesof the VermilionRangeof Minnesota andthoseof Michigan, notwithxA paperon the "Replacement...followinggrade, similarto Old RangeBessemeroresof the Vermilion and MarquetteRanges, Per cent Fe (dried) ......EXPLORATION AT WEST END OF "A"ORE ZONE sc,u.r •1 IT,ST STEEP ROCK ATIKOKA•. PLAN Fro. IRON MINES LTD...matter in 'hand. It is obviousthat limestone,or dolomite, in its ultimatedecomposition will yield abundantoxygen...contrastbetweenthe mineralogyof oreson the Atikokan Range,situatedten milesto the eastof SteepRock Lake where |  | | 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) | | greenstones of the basement complex of the Vermilion district of Minnesota. They are in part basal to the other...the Helen mine, and all but the griinerite schist have been found in the Lake Eleanor iron range also, while...large quantities in every important part of the range, though small outcrops sometimes show the silica...a thin sheet just under the iron range proper west of the Helen mine and at other points in the region...fingers. Iron ore is mined in the Helen mine, and this mine is described in detail. The 161 I62 REVIEWS |  | | Journal (article/letter/editorial) | | Most of the well preserved fossils in Minnesota are collected in the southeastern part of the state,...lent places to collect. Fossiliferous rocks in Minnesota include those of middle Precambrian (1.8 billion...years old) age. Stromatolites Since most of Minnesota is covered with thick layers of glacial drift...IN MINNESOTA The oldest fossils in the state are early Precambrian bacteria found in the Soudan Iron...that occurs at Ely, Minnesota, and in the R O B E R T E . SLOAN mine in Tower-Soudan State Park. Department |  | | Journal (article/letter/editorial) | | Places of Geological and Mineralogical Interest in Minnesota ROBERT SLOAN Department of Geology a n d Geophysics...i s , M i n n e s o t a 55455 Southeastern Minnesota Fossil Collecting. In general there is good to...collecting along most roadcuts in southeastern Minnesota east of U S 52 from Cannon Falls to Rochester...Line. This country is more rugged than most of Minnesota, quite scenic, and fun to explore with the aid...clearly shows the Red Wing Fault where the buff-colored St. Lawrence and Jordan Formations are faulted down |  | Hayes, C. Willard, Bell, Robert, Adams, Frank D., Van Hise, Charles R., Lane, A. C., Leith, C. K., Miller, W. G. (1905) Report of the Special Committee for the Lake Superior Region. The Journal of Geology, 13 (2) 89-104 doi:10.1086/621211 | Journal (article/letter/editorial) | | following visited successively the Gogebic, Mesabi, Vermilion, Rainy Lake, Lake of the Woods, Animikie, and...Marquette, the Penokee-Gogebic, the Mesabi, the Vermilion, the Rainy Lake, the Lake of the Woods, the Thunder...party for the Marquette, Penokee-Gogebic, Mesabi, Vermilion, and Rainy Lake districts. Professor A. E. Seaman...district, Mr. W. N. Merriam, for the Mesabi and Vermilion districts; Mr. W. N. Smith, for the Thunder Bay...consisting of (i) the Wewe slate, (2) the Kona dolomite, and (3) the Mesnard quartzite. At the places |  | | Report (issue) | | -___-__----___-_-_-_--__-___.___.___________ Minnesota. ___-__-_-__-_-____._-______________-_---___-__-----_------...----_-_-_---___-----___--_-.________________ Minnesota..._ ____________________________-__-_-_------...in correlations, are found in Canada, northern Minnesota, and northern Wisconsin areas which up to 1911...-in the- States of Michigan, Wisconsin, and. Minnesota" and the Province of Ontario, is-an area of pre-Cambrian...of iron ore, and tax commission estimates for Minnesota, Michigan, and Wisconsin show-about the same amount |  | | Journal (article/letter/editorial) | | granite, intrusive in all lower formations. VERMILION. Great Gabbro. Gabbros, diabases, etc. Upper...lent to the Ogishke and Knife formations of the Vermilion district.) Archean: Greenstones, hornblende schists...fine-grained gneiss. I Vermilion series: Intrusive granites, porphyries, and greenstones. Soudan formation (the...Region," by C. R. VAN HISE, assisted in Mesabi and Vermilion sections by C. K. Leith and J. Morgan Clements...amygdaloid. Ajibik quartzite. Wewe slate. Kona dolomite. Mesnard quartzite. Granite, syenite, peridotite |  | | Journal (article/letter/editorial) | | in Pulaski County, Ark." — letter dated July 31, 1963 from Richard Purifoy, 2101 Orange St., North Little...combination. "Our first stop was the blue barite mine at Hartsel (Park Co.), Colo. Incidently I have lots...of this barite for trading). This is an open pit mine but some digging is required. "We then by-passed...collected at the old Sedalia copper mine. This is an interesting mine but quite a climb to get to the top...the week before two had been killed in town. This mine is also famous for its huge dodecahedral garnets |  | | 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 |  | | Journal (article/letter/editorial) | | calcite, build entire mountain ranges (mountains of dolomite in Tyrol), but other minerals are found only in...[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 |  | | 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 |
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