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| 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 |
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| 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 .. |
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| 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 |
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| 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 |
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| 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 |
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| 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 • • • . • • • . . . . . . . . • |
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| 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............................. |
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| 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 |
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| pyromorphite in the Montezuma District, Summit County (Eckel et al., 1997): 1. “Pyromorphite, galena...yellowgreen transparent pyromorphite occurs with iron oxide minerals and barite.” 3. “Green pyromorphite...flat-topped mountain on the eastern side of Summit County, in the Montezuma Mining District (Figure 1). Access...the possession of Summit County, at which point it was offered up by the county to be incorporated back...of these observed artifacts are consistent with mine development in the late 1890s and early 1900s (Twitty |
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| 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____ |
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| (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 |
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| 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...chert and siderite. It is underlain by a graphitic slate containing about 20 per cent iron in the form...finely disseminated pyrite. Graywacke overlies the iron formation with at least local disconformity; this |
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| 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 |
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| 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 |
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| 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.. • • |
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| 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 .................................................................... 274 Relationshipof iron-formationto volcanismand to geosynclinal development |
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| 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...other clay slates. and iron ores ferruginous chert, and ore bodies .. Siderite-slate, chert, ferruginous...ferruginous chert, Rjlations of siderite-slate, Relations of Mansfield slate to adjacent formations Relations...Thickness Ore deposits General description of Mansfield mine deposit Relations to surrounding beds 64 65 66 |
 | Planavsky, Noah J., Slack, John F., Cannon, William F., O'Connell, Brennan, Isson, Terry T., Asael, Dan, Jackson, John C., Hardisty, Dalton S., Lyons, Timothy W., Bekker, Andrey (2018) Evidence for episodic oxygenation in a weakly redox-buffered deep mid-Proterozoic ocean. Chemical Geology, 483. 581-594 doi:10.1016/j.chemgeo.2018.03.028 | Journal (article/letter/editorial) |
| 06520, USA 2 U.S. Geological Survey (Emeritus), National Center, MS 954, Reston, Virginia 20192, USA 3 Department...Oceanographic Institution, Woods Hole, MA 02543, USA 4 Department of Earth Sciences, University of California-Riverside...California-Riverside, Riverside, California 92521, USA US *corresponding author: noah.planavsky@yale.edu...pockets of euxinia ED existing in predominantly iron-rich (ferruginous) deep waters. The Animikie Basin...Group) in the Iron RiverCrystal Falls district of the Upper Peninsula of Michigan, USA. Based on previous |
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| 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 |
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| Economic Vol. 68, 1973, pp. 934-959 Precambrian Iron-Formations of the United States * R. W. B^YLE¾^m)...The thickest and most extensive Precambrian iron-formations of the United States are in the Lake...Superior region, in Minnesota, Wisconsin, and Michigan. Thinner units occur within the Precambrian cores...of Colorado, New Mexico, and Arizona. The major iron-formations in the Menominee, Marquette, Gogebic...about 2 b.y. Lithologic associationsand detailed iron-formation stratigraphy,however, differ greatly from |
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| 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 |
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| the Atlantic Coast Fall Line, so named from the falls or rapids in rivers at places where they pass from...discovered Diamonds, the largest a pale yellow crystal of 4½ carats picked up near Morrow Station in Clayton...occasionally washed out of gold pans. Many other gem crystal species occur in pegmatite exposures, such as Aquamarine...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59 |
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| c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Triclinic. Point Group: 1: As plates or scales...62{17.74 X-ray Powder Pattern: Crystal Falls, Iron Co., Michigan, USA. 12.3 (100), 4.16 (100), 2.55 (100)...Western Otago, New Zealand. Occurrence: In banded iron formations and enclosing slates and schists. In...Association: Quartz, siderite, apatite, hematite, minnesotaite, greenalite, chamosite, grunerite (iron formations);...BrunsjÄo mine, near Grythyttan, Ä Orebro. From Mullion Island, The Lizrd, Cornwall, England. In the USA, at |
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| 1313-1342 DEVELOPMENT OF OF THE MAGNETITE IN IRON-FORMATIONS LAKE SUPERIOR GENE L. L^BERGE REGION...ABSTRACT Magnetite is one of the dominant iron-bearing minerals in iron-formations of the Lake Superior region...secondaryis basic in connectionwith the origin of iron-formation. The associatedmineralogy, textural relations...magnetite in the Mesabi, Gunflint, Gogebic, Iron RiverCrystal Falls, Marquette, and Michipicoten districts...acceptedas primary (chert, siderite,and fine-grainedhematite). Most of the siderite and at least some of the |
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| 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 |
