 | | 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...--_ Age relations.___-_-___-_-_-_-___-___--_ Dickinson group.__-_-_-_____-_______--_-___ East Branch...amphibolite____-_-_____-__ Dickinson group (undivided)__-_____-___Conditions of deposition of the Dickinson group._-- |  | | Report (issue) | | Division, Michigan Department of Conservation Geology of an area near Randville, Michigan by Carl A...Mica-gamet-grunerite schist .................... 3 Randville dolomite and Sturgeon quartzite ......* 5 Granite...of the Felch Mountain iron district near Randville, Michigan. Plate 2, Preliminary magnetic map of a...district near Randville, Michigan* Figure 1. Sketch showing the area mapped in Iron and Dickinson Counties...Counties, Michigan, and its relation to surrounding areas* Mapped area indicated by hachures* Progress Report |  | | Journal (article/letter/editorial) | | VULCAN IRON MINE, FORMATION IRON AT MOUNTAIN, JOHN T. CUMBERLIDGE THE GROVELAND MICHIGAN AND JOHN...G. STONE ABSTRACT The Groveland deposit,in the Upper Peninsula of Michigan, consistsof an E-W trending...Middle Precambrian Vulcan iron formation. At Groveland, the Vulcan Formation can be divided into four...composedof a lean chemicalquartzite with traces of magnetite; a non-banded,partly clastic unit characterizedby...preponderanceof hematite over magnetite; a transition unit of xvell-banded magnetite-bearing iron formation |  | | Journal (article/letter/editorial) | | Some Mineral Localities In Central Dickinson County, Michigan BY W A L D E N P. PRATT 2 1 Publication...part of Dickinson County, in resulting peneplain was covered with the upper Peninsula of Michigan. Al- sediments...with a mantle of sand iron-bearing districts of Michigan being and gravel. Except for ridges and knobs...granite, most of the area Survey Division of the Michigan De- is now buried under glacial deposits that...Commercial Interests The geologic history of Dickinson The Menominee iron range of southCounty, necessarily |  | | Journal (article/letter/editorial) | | Library] at 15:24 24 November 2014 Marquctle, Michigan 49855 Specimen recovery in the Iron Country is...counties (Marquette, Baraga, Iron, and Dickinson) of Michigan, plus a small portion of northeastern Wisconsin...Gogebic iron range, home of the well-known Montreal mine in Wisconsin. (My collecting experience has not...the town of Negaunee, and the first mine to open was the Jackson mine in 1845 (Boyum 1983).At that time...of the story, as they say, is history. Marquette County alone would eventually have 247 iron mines (Mulligan |  | | 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) | | (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 (volume) | | Geology of the Kiernan Quadrangle Iron County Michigan By JACOB E. GAIR and K. L. WIER GEOLOGICAL...rocks__________________________________________ Randville dolomite____________________________________________...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 |  | | Journal (article/letter/editorial) | | Michigan Mineralogy: A LOCALITY INDEX TOM MORRIS, JR. 4553 Shenandoah Allen Park, Michigan 48101 Tom...occurrences. These localities have been listed by county; and, strictly for convenience, the list has been...compiling this information was The Mineralogy of Michigan (Heinrich, 1976), which should be consulted by...locality labeling of Michigan specimens. It should be pointed out that the list of Michigan mineral localities...None theless, with the aid of a good state or county map, plus local inquiries, the list could be helpful |  | | Report (issue) | | DIRECTOR THE CMSTAL FALLS IRON-IARING DISTRICT OF MICHIGAN liY J. MORGAN CLEMENTS and HENRY LLOYD SMYTH...IV. The Lower Hdronian series Section 1.— The Randville dolomite — 50 50 50 51 53 Distribution, exposures...Thickness Ore deposits General description of Mansfield mine deposit Relations to surrounding beds 64 65 66...399 Petrographical characters Section V. The Randville dolomite Distribution, exposures, and topography... Petrographical characters Section A'll. The Groveland formation Distribution, exposures, and topography |  | | Report (issue) | | Sholdeis-Doane and Hed Rock explorations, Iron County, Michigan Kenneth L. Wier and Brace E. Kennedy Prepared...cooperation of the Geological Survey Division Michigan Department of Conservation This report and accompanying...Geology ........................ 5 Dolomite (Randville formation) .......... 5 Location Metavolcanics...Iron County, Michigan Magnetic data in vicinity of ShoIdeis and Doane explorations, Iron County, Michigan...area, Iron County, Michigan 4. Magnetic data in the Red Rock area, Iron County, Michigan 5. Magnetic |  | | 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...quartzite and schist_____________________________ Dickinson group____________________________ East Branch |  | | Journal (article/letter/editorial) | | 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... 1456 H. L. JAMES—REGIONAL METAMORPHISM, NORTHERN MICHIGAN ILLUSTRATIONS Downloaded from gsabulletin.gsapubs...Figure Page 1. Township and range map of northern Michigan and adjacent parts of Wisconsin 1457 2. AKF diagram |  | | Journal (article/letter/editorial) | | to revision of the pre-Cambrian correlation of Michigan, which touch more or less also the correlations...general change, but he agrees with Allen that Michigan correlation should be carefully tested to ascertain...may be equivalent to certain series elsewhere in Michigan, now otherwise correlated. I. CORRELATION ON...Formations of the Gwinn Iron-bearing District of Michigan," Jour. Geol., XXII (1914), 560-73. DISCUSSION...REVISION OF THE CORRELATION OF THE HURONIAN GROUP OF MICHIGAN AND THE LAKE SUPERIOR REGION R. C. ALLEN The |  | | Journal (article/letter/editorial) | | Metamorphic and Igneous Rocks near Iron Mountain, Michigan by L. T. ALDRICH, G. L. DAVIS, and H. L. JAMES...determined for minerals from an area in northern Michigan about 35 miles square. Granites, pegmatites, and...of mineral ages. The area around Iron Mountain, Michigan, was particularly suitable for such a study because...rocks of the area around Iron Mountain, Dickinson County, Michigan. The recent demonstration by Hart (1961)...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...Survey 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) | | southeastern part having as lower formations (a) the Groveland formation, and (6) the Mansfield slate. Hemlock...formation (in northeastern part of the district). Randville dolomite. Sturgeon quartzite. Granite. MENOMINEE...Menominee: Negaunee formation (in small patches). Randville dolomite. Sturgeon quartzite. Granites and gneisses...and northward, Michipicoten Harbor, and the Helen mine, all in Ontario. As a result of this work it is...deposit is found, brecciated granular silica with magnetite. The Michipicoten range is separated from this |  | | Journal (article/letter/editorial) | | on the campus of the sault Ste. Marie Branch of Michigan Technological university in conjunction with the...deposits, Houghton, Baraga and Ontonagon Counties, Michigan A. P. Ruotsala, G. J. Koons, and S C. Nordeng...Nordeng The Mn-bearing minerals of Champion mine, Champion, Michigan 10:2.5 Unique intergrowth of calcite...M. French Textural relations of hematite and magnetite in some precambrianmetamorphosed oxide iron formations...BEARING X{INERALS OF CHAMPION CHAMPION, MICHIGAN L. Belcocx, MINE. Michigut, Tecl,tnol,ogi.cal Llniversi |  | | Book | | Superior mining The Keweenaw copper district of Michigan 33 35 35 Copper mining on Isle Eoyal and elsewhere...developments 45 ., 45 Clinton iron ores of Dodge County, Wis 45 Paleozoic iron ores in western Wisconsin...geologic 70 knowledge 72 Bibliography 73 Michigan Northern Wisconsin Minnesota 77 Ontario 81...Michipicoten Island Keweenaw Point and northern Michigan and Wisconsin Keweenawan mesas Huronian monoclinal...Chapter X. The Penokee-Gogebic iron district of Michigan and Wisconsin Location, succession of rocks, and |  | | Report (issue) | | major faults in the Lawrence, Wilmington, South Groveland, and Reading quadrangles. ............ in pocket...syncline shown in the northcentral part of the South Groveland quadrangle. . 516 30. * diagram for the Marlboro...the geology of the Lawrence, Wilmington, South Groveland, and Reading quadrangles as given by Emerson....is revealed in the Lawrence, Wilmington, South Groveland, and Reading quadrangles of Massachusetts. The...bedrock geology of the Lawrence, Wilmington, South Groveland, and Reading quadrangles (see index map, plate |  | Parnell, John, Mark, Darren F., Frei, Robert, Fallick, Anthony E., Ellam, Rob M. (2014) 40Ar/39Ar dating of exceptional concentration of metals by weathering of Precambrian rocks at the Precambrian–Cambrian boundary. Precambrian Research, 246. 54-63 doi:10.1016/j.precamres.2014.02.012 | Journal (article/letter/editorial) | | the surface in many parts of the world, including USA, Canada, Sweden, Iran and West Africa. So much Precambrian...copper in Wisconsin (May and Dinkowitz, 1996), Michigan (Bornhorst, 2002) and Quebec (Sinclair and Gasparrini...(Schwartz, 1938), iron in Missouri (Emery, 1968), Michigan (James et al., 1968) and Saskatchewan (Cheesman...New York (Brown, 1936), uranium enrichment in Michigan (Mancuso et al., 1985) and gold enrichment in...1991). The scale of enrichment is evident in Jerome County, Arizona, where a supergene sub-Cambrian copper |  | | Report (volume) | | geologic evidence along a 15km reach in northern Essex County; southwest of Lowell it is expressed as a profound...differences in magnetite content among individual rock masses; variations in magnetite content are functions...(1917) Worcester Phyllite at old Worcester coal mine WORCESTER AREA After Grew (1970; 1973) HUOSON-MAYNARO...is most clearly demonstrated in northern Essex County, Massachusetts (pi. 1). This fault characteristically...defined by a variety of criteria in northern Essex County, whereas evidence of the regional significance |  | | Journal (issue) | | Rice NW Museum of Rocks and Minerals 26385 NW Groveland Drive Hillsboro, Oregon To reach the Rice Museum...(exit 61 ). Jog right I00 feet, then left onto Groveland Drive. The museum is in the trees I .3 miles to...talking on "The Minerals of the Silver Coin Mine", an old silver mine near Winnemucca, Nevada with a wide variety...and are therefore probably magnetite. Occasionally a single " large" magnetite crystal can be found. Fine...formation of tridymite. sometimes on top of the magnetite/ilmenite/hematite that lines a cavity. The oxidizing |  | | Report (issue) | | DIRECTOR THE MENOMINEE IRON-BEARING DISTRICT OF MICHIGAN BY WILLIAM SHIRLEY BAYLEY CHARLES RICHARD VAN...39 N., Falls of the Sturgeon 195 196 196 Randville dolomite 200 Distribution and topography 200...—Continued. Chapter V. Section 1. Lower Menominee Randville dolomite series Page —Continued. — Continued...407 Traders mine 407 Cornell mine 410 Cuff mine 410 Indiana mine 4j Forest mine 412 The southern...Chapin-Pewabic deposits 414 Walpole mine Pewabic mine 414 Chapin mine 420 418 — CONTENTS. 10 Chapter |  | | Report (issue) | | Bikita Quarry Lepidolite ...... . Chestnut Flat Mine Muscovite .... . Petrick Quarry Biotites .........Districts .... _ Wisconsin ................. _ Michigan .................. . .5. SOUTHWESTERN l\
