 | | Report (issue) |
| CIRCULAR 153 GEOLOGY OF THE NORTHERN CRYSTAL FALLS AREA IRON COUNTY, MICHIGAN By F. J. Pettijohn Prepared with...cooperation of the Geological Survey Division Michigan Department of Conservation UNITED STATES DEPARTMENT...CIRCULAR 153 GEOLOGY OF THE NORTHERN CRYSTAL FALLS AREA IRON COUNTY, MICHIGAN By F. J. Pettijohn REPRINTED...Greenstones.............. Footwall strata ............ Iron-formation ............ Hanging-wall strata. ....................... Stratigraphy ................ Iron-formation ............ Breccia-graywacke bed .. |
 | | Journal (issue) |
| brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was...manufacturer’s standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a...material collected from waste piles of abandoned mine sites in the mountains of central Colorado. A unit...Figure 6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia |
 | | 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..._______ Greenstone in the Hemlock FormationBird Iron-Bearing Member.._________ Thickness and relations |
 | | Report (issue) |
| 1950 PROGRESS OF GEOLOGIC WORK IN IRON AND DICKINSON COUNTIES, MICHIGAN By Carl E. Button PREPARED IN COOPERATION...COOPERATION WITH THE GEOLOGICAL SURVEY DIVISION MICHIGAN DEPARTMENT OF CONSERVATION UNITED STATES DEPARTMENT... PROGRESS OF GEOLOGIC WORK IN IRON AND DICKINSON COUNTIES, MICHIGAN By Carl E. Button PREPARED IN COOPERATION...COOPERATION WITH THE GEOLOGICAL SURVEY DIVISION MICHIGAN DEPARTMENT OF CONSERVATION CONTENTS Page Introduction........... Program in Iron County ...................... Iron River-Crystal Falls district'......... General |
 | | Report (issue) |
| MAGNETIC SURVEY AND GEOLOGY OF THE STAGER AREA, IRON COUNTY MICHIGAN By S. E. Good and F. J. Pettijohn Prepared...cooperation of the Geological Survey Division Michigan Department of Conservation UNITED STATES DEPARTMENT... MAGNETIC SURVEY AND GEOLOGY OF THE STAGER AREA IRON COUNTY, MICHIGAN By 8. E. Good and F. J. Pettijohn CONTENTS...1. 2. Geologic map of the Stager area, Iron County, Michigan...........................................pocket Magnetic map of the Stager area, Iron County, Michigan. In two parts. (This map shows the magnetic |
 | | 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 |
 | | Journal (article/letter/editorial) |
| Cold Iron "Gold is for the mistress-silvet for the maidCopper foi the craftsman cuntiina at his trade..."Good," said the Baron, sitting i i his hall, "But Iron-Cold lran-is master of them all." -Rudyard RAMON...24 November 2014 Marquctle, Michigan 49855 Specimen recovery in the Iron Country is still possible, and...15:24 24 November 2014 and Minerals o f igan's Iron Countrv w Upper Peninsula Downloaded by [UQ Library]...showing the Iron Country counties described in the text. In this article, the definition of Iron Country |
 | | 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 (issue) |
| GEOLOGY OF THE CENTRAL PART OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Carl E. Button Prepared with...cooperation of the Geological Survey ]>ivision Michigan Department of Conservation UNITED STATES DEPARTMENT... GEOLOGY OF THE CENTRAL PART OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Carl E. Dutton CONTENTS Page................ Footwall strata.................. Iron-formation.................. Hanging-wall strata...in the south-central part of Iron River district, Iron County, Michigan............................. |
 | | Journal (article/letter/editorial) |
| MAY, 1954 SEDIMENTARY FACIES HAROLD OF No. 3 IRON-FORMATION L. JAMES CONTENTS PAGE Abstract .................................... 239 The term "iron-formation" . .................................................... 239 240 The Precipitation of iron ................................................................................. 244 facies of iron-formation ..................................................................................... Hematite-banded rocks ................................ |
 | | 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) |
| Division, Michigan Department of Conservation Geology of an area near Randville, Michigan by Carl A...relations ........................................ 2 Iron-formation .................................. 3...of a part of the Felch Mountain iron district near Randville, Michigan. Plate 2, Preliminary magnetic...Mountain iron district near Randville, Michigan* Figure 1. Sketch showing the area mapped in Iron and Dickinson...Dickinson Counties, Michigan, and its relation to surrounding areas* Mapped area indicated by hachures* |
 | | Report (issue) |
| GEOLOGY OF THE NORTHERN PART OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By H. L. James and C. E. Dutton...COOPERATION WITH THE GEOLOGICAL SURVEY DIVISION MICHIGAN DEPARTMENT OF CONSERVATION UNITED STATES DEPARTMENT...Siltstone-sericitic slate oo Black graphitic slate • . Iron-formation Hanging-wall strata Magnetic ironstone...Generalized geologic map of the northern part of the Iron River district • . . • • In pocket z. Columnar...stratigraphic chart for the northern part of the Iron River district • • • . • • • . . . . . . . . • |
 | | Report (issue) |
| AND SOUTHEASTERN PARTS OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Harold L. James and Kenneth...cooperation of the Geological Survey Division, Michigan Department of Conservation WASHINGTON, D. C....AND SOUTHEASTERN PARTS OF THE IRON RIVER DISTRICT. ffiON ·COUNTY, MICHIGAN By Harold L. James and Kenneth...• • • • • • Footwall strata..................... Iron-f'orma tion. • • • • • • • • • • • • • • • • • •...w••••••• Section 24, T. 43 N., R. 35 w....... Spies mine area ( EisEt) •••••• ·• • • .Swt· sec. 24.. • • |
 | | 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...group______------___ Dunn Creek slate__________ Riverton iron-formation ______ Hiawatha graywacke.________ Stambaugh |
 | | Book |
| district of Michigan 33 35 35 Copper mining on Isle Eoyal and elsewhere Marquette iron district Menominee...39 iron district Crystal Falls, Florence, and Iron River Gogebic iron district Vermilion iron district...Mesabi iron district Accounts of the district before Opening and development Cuyuna 37 39 iron districts...42 44 iron district Baraboo iron district Less important developments 45 ., 45 Clinton iron ores...ores of Dodge County, Wis 45 Paleozoic iron ores in western Wisconsin Iron ores of the north .''hore of |
 | | Journal (article/letter/editorial) |
| described and named from the type locality, the Ioi mine in Shiga Prefecture, Japan (Peacor et al. 1985)...No. 2 mines, Iron County, Michigan (DeMark 2000; Robinson and La Berge 2013), the Iron Monarch deposit...2015). Crystal size ranges from less than 1 mm to 3.2 cm across, although the latter-sized crystal (fig...1985); and arsenoclasite, hematite, hausmannite, barite, and gypsum from the Iron Monarch deposit in Australia...collected from a single pocket at the N’Chwaning I mine. Individual crystals averaged 1–2 mm, but some crystals |
 | | Journal (article/letter/editorial) |
| MARCH 1951 IRON FORMATION AND ASSOCIATED ROCKS IN THE IRON RIVER DISTRICT, MICHIGAN By HAROLD L. JAMES...JAMES ABSTRACT The iron formation of the Iron River district is part of a Precambrian sequence of strata...strata characterized by a high iron content and varied mineralogy. The iron formation, where unoxidized...20 per cent iron in the form of very finely disseminated pyrite. Graywacke overlies the iron formation...consists of clastic grains in a matrix of siderite or iron-rich chlorite. Above the graywacke is a magnetic |
 | | Report (issue) |
| WALCOTT, DIRECTOR THE CMSTAL FALLS IRON-IARING DISTRICT OF MICHIGAN liY J. MORGAN CLEMENTS and...I. Chapter tiF Van Hise xvii xxix the Crystal Falls district, isy J. Morgan Clements. 11 Introdiction...clay slate with analyses of other clay slates. and iron ores ferruginous chert, and ore bodies .. Siderite-slate...Thickness Ore deposits General description of Mansfield mine deposit Relations to surrounding beds 64 65 66...55 Magnetic lines Thickness Folding 1.56 Crystal Falls syncline Time of folding of tbo Upper Huronian |
 | | Report (volume) |
| Geology of the Kelso Junction Quadrangle Iron County, Michigan By KENNETH L. WIER GEOLOGICAL SURVEY ...cooperation with the Geological Survey Division Michigan Department of Conservation tUtIV JUN271967 S...geology____-_____-__-___-__-___--____-_______-_-_-______ Iron.________________________________________________________...the western part of the northern peninsula of Michigan._______ 2. Generalized areas of outcrops, swamps... GEOLOGY OF THE KELSO JUNCTION QUADRANGLE IRON COUNTY, MICHIGAN By KENNETH L. WIER ABSTRACT The Kelso Junction |
 | | 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...___________________ _ Vulcan Iron-Formation _____________ _ Traders and Curry Iron-Bearing Members_ Brier Slate |
 | | Journal (article/letter/editorial) |
| or equivalent Middle pre-Cambrian(Huronian) rocks Iron-formation shown in solid black Staurolite or equivalent...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...the Huronian sedimentary rocks, especially in the iron formations and the graywackes and slates, and in |
 | | 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...exploration 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 |
 | | 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...Division, Michigan Dept. of Conservation. Bibliography: p. 108--110. 1. Geology-Michigan-Iron Co. Iron County...County, Michigan. (Series) QE75.B9 no. 1077 ----Copy 2. 1. Title: Lake Mary quadrangle, 557.74975 G |
