 | | Report (issue) | | GEOLOGY OF THE CUYUNA DISTRICT, MINNESOTA: A PROGRESS REPORT UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL...DIRECTOR BULLETIN 36 The Geology of the Cuyuna District, Minnesota A PROGRESS REPORT BY FRANK F. GROUT...WOLFF, SR. MINNEAPOLIS· 1955 THE UNIVERSITY OF MINNESOTA PRESS PRINTED AT LUND PRESS, INC., MINNEAPOLIS...mines of the Cuyuna district in considerable detail. About 1940 a brief synopsis of Cuyuna geology was...the University of Minnesota. In 1941 Mr. Grout started active field work on the Cuyuna largely in connection |  | | Catalog/List | | an shale, some with Arsenopyrite (Bedford Consols Mine, Devon England) The size varies from lxl to lx2...C315 single 1/2 ins NATIVE ARSENIC rich (Kusa Mine, near ,Bau, lx2 f.5 •2x2 EIO crystal, across. ...masses filling·small (Lockout Pass,Tooele County, Utah, USA) lem C319 BUSTAMITE excellent rich near...Au Te/2 bright metallic (Cripple Creek, Colcrado, USA) lem C321 CATAPLEITcE Na Zr Silicate. Yukspor,...of Chalcopyrite. (16 level, Sim.ms Lade, Geevor Mine ,Cornwall) size reflects the area of botryoidal |  | | Journal (volume) | | 7839 FRONT COVER: A polished section of massive iron ore showing drusy, jasper-red quartz forming veinlets...fine-grained hematite. Hafotty-fâch, Cadair Idris, North Wales. Field of view 20 mm across. National Museum...occurrence of euhedral schulenbergite at the Penberthy Croft Mine, Cornwall John Betterton and Ian E. Grey 34–35...from Weardale, County Durham Brian Young and Adam Pacey 39–42 Exhalative banded iron oxide mineralisation...Middle Ordovician pillow basalts from Cadair Idris, North Wales John S. Mason 42–50 Journal of the Russell |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . . . Iron ore . . . . . . . . . . . . . . . . . . . . . ........ . ............ 15 8. Map showing Etowah Formation type locality . . . . . . . . . . . . . . . ..... . . . . 18 9. Map showing Sweetwater Creek Formation type locality . . . . . . . . . . . . . . . .... . . . . 18 10. Location of Dean Formation exposures in the Greater Atlanta Regional Map area. . . ..... . . . . . . . . . . . . . 19 11. Group and formation boundaries of the crystalline rocks in the Greater |  | | Journal (article/letter/editorial) | | September 2004 Ó Springer-Verlag 2004 Abstract The formation of large martite-microplaty hematite ore deposits...suggests an early hypogene process during ore formation. However, such rocks have not been identified at...black Mount McRae Shale from Wittenoom Gorge in the north and altered black and red Mount McRae Shale at Mount...Houston, TX 77005, USA models that invoke an early hypogene stage during the formation of the martite-microplaty...of Western Australia (Fig. 1) hosts several large iron ore deposits (e.g., Mount Whaleback, Mount Tom Price |  | | Journal (article/letter/editorial) | | Stratigraphic and structural setting of iron mineralisation at E Deposit (East), Area C, Hamersley Province...Australia F. M. Bodycoat* E Deposit is located at Area C iron ore operations in the central region of the Hamersley...Australia. It is hosted by the Marra Mamba Iron Formation, the lowermost unit of the Archaean to Lower...the Mount Newman Member of the Marra Mamba Iron Formation and extends into the lower West Angela Member...Member of the overlying Wittenoom Formation. Use of a combination of geological and geophysical techniques |  | | Report (issue) | | IN THE WEST-CENTRAL GEORGIA PIEDMONT The Carroll County gold belt and the southwestern portion of the Dahlonega... Miners and workings at the Yorkville Mine, Paulding County (Circa 1930). Photo courtesy of Georgia...IN THE WEST-CENTRAL GEORGIA PIEDMONT The Carroll County gold belt and the southwestern portion of the Dahlonega...Mud Creek Formation 0 0 0 0 0 0 0 0 Pumpkinvine Creek Formation Canton Formation 0 0 0 0...Kellogg Creek Mafic Complex/Acworth Gneiss Univeter Formation 0 0 0 0 0 0 0 0 0 0 0 0 Sandy Springs |  | | Journal (article/letter/editorial) | | www.elsevier.com/locate/chemgeo From banded iron-formation to iron ore: geochemical and mineralogical constraints...University, Houston, TX 77005, USA Accepted 15 October 2002 Abstract Several major iron ore deposits occur in...the Hamersley Province, Western Australia, where banded ironformation (BIF) of the Dales Gorge Member has...type section near Wittenoom and the Mt. Whaleback mine near Newman. Profound chemical and mineralogical...by the dissolution of Si, a process not requiring iron addition. Our observations in and around Mt. Whaleback |  | | Report (edition) | | after those established in the Bibliography of North American geology, published by the U. S. Geological...Each article was read, annotated, and indexed by county, subject, and stratigraphic interval where applicable...where the area involved was larger than that of a county, subdivisions of the state, based upon physiographic... published by the Academy from various places. NORTH CAROLINA DEPT. CONSERV. AND DEVEL. DIV. MINERAL...Bulletin of the Division of Mineral Resources of the North Carolina Department of Conservation and Development |  | | Report (edition) | | after those established in the Bibliography of North American geology, published by the U. S. Geological...Each article was read , annotated , and indexed by county , subject, and stratigraphic interval where applicable...where the area involved was larger than that of a county , subdivisions of the state, based upon physiographic...FANNIN UNION TOWNS HABE R BLUE GILMER WHITE SHAN NORTH RIDGE LUMPKIN WALKER CHATTOOSA GORDON PICKERS S... published by the Academy from various places. NORTH CAROLINA DEPT. CONSERV. AND DEVEL . DIV . |  | | Catalog/List | | grained mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x 14 £2.50 1x1 £4 1x2 £10 156 NATIVE...possible Molybdenite. About l/2ins size. (Wolfram Camp North Queensland,Australia) £12 063 CAVANSITE Ca (V 0...in matrix (Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) 1x1 £4 1x2 £7.50 360 PARATELLURITE...fairly sparse, green crusts on matrix. (San Miguel Mine Moctezuma Mexico) 1cm piece £ 5 5mm £3 WITH UNUSUAL...yellow crusts on matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) Ixliins £4 107 CHLORARGYRITE |  | Swanner, Elizabeth D., Planavsky, Noah J., Lalonde, Stefan V., Robbins, Leslie J., Bekker, Andrey, Rouxel, Olivier J., Saito, Mak A., Kappler, Andreas, Mojzsis, Stephen J., Konhauser, Kurt O. (2014) Cobalt and marine redox evolution. Earth and Planetary Science Letters, 390. 253-263 doi:10.1016/j.epsl.2014.01.001 | Journal (article/letter/editorial) | | Geophysics, Yale University, New Haven, CT 06520, USA c UMR 6538 Domaines Océaniques, European Institute...Oceanographic Institution, Woods Hole, MA 02543, USA h Laboratoire de Géologie de Lyon, Ecole Normale...399, 2200 Colorado Avenue, Boulder, CO 80309-0399, USA b a r t i c l e i n f o Article history: Received...cobalt trace element proxies ocean redox shale iron formation pyrite a b s t r a c t Cobalt (Co) is a bio-essential...present a survey of authigenic Co in marine sediments (iron formations, authigenic pyrite and bulk euxinic shales) |  | | Report (issue) | | ore, Balmat mine, N . Y. Chromite-chromium ore, Washington Zinc ore, Friedensville, Pa. Banded iron·formation...asbestos ore, Quebec, Canada 7. Manganese ore, banded rhodochrosite 8 . Aluminum ore, baux i te, Georgia...fluorite ore, Poncha Springs, Colo. 14. Tungsten ore, North Carolina The Potential for Porphyry Copper-Molybdenun1...14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N . Y. Chromite-chromium ore, Washington Zinc ore...ore, Friedensville, Pa . Banded iron-formation, Palmer, Mich . 6. Ribbon asbestos ore, Quebec, Canada |  | | Book (volume) | | knowledge of the Precambrian Greenlandic Shield. In North America, the Greenland province is usually considered...stratigraphic sequence for the approximate age range, 600 Myr—2,400 Myr. I hope that this work, already...bordered in the west by the Greenland Sea and in the north by the Polar Sea. In the south the desolate island...(NORDENSKIOLD, 1863) he gave the name “Hecla hooks formation” to the thick sequence of quartzites, shales and...Luncke, Norsk Polarinstitutt. to ‘“Hecla Hook Formation’’. A. K. OrviIn (in Horn and ORvin, 1928) introduced |  | | Report (volume) | | -ur·- _AA ~~.:.u···~n~~ Bibliography of North American Geology, 1954 ""y RUTH REECE KING and others...------------------- '273 DI BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1954 By RUTH REECE KING and others...appeared during 1954 concerning the geology of the North American continent, including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...with foreign areas. Articles by foreign authors on North America are included regardless of place of publication; |  | | Journal (issue) | | variety, from the Britannia Mine , North Wales, and from the Botallack Mine, Cornwall A.M. Pollard, R.G...Williams, R.E. Bevins and S. Turgoose 23 The Wesley Mine; a further occurrence of manganese oxide-hosted...1 5 11 15 NOTES Birnessite from Penberthy Croft Mine , Cornwall- a second English occurrence 1. Betterton...silver from Red Gill Mine, Caldbeck Fells, Cumbria M. Wirth Rosasite from West Pasture Mine, Weardale , Co...Leicester, a Wales and West Branch based in Cardiff, a North East Branch based in Newcastle upon Tyne and a South |  | | Journal (article/letter/editorial) | | ---, , Abstract. ]]ae Mecheri Abdelaziz oolitic iron deposit (late Famennian of Tindouf Basin) shows...portion of iron was probably provided by continental leaching of the very important iron formations of...faibles et la puissance des s6diments paleozo~ques croft regulierement du Sud vers le Nord. Du point de vue...constituent trois formations superposees, la formation mineralis6e 6tant encadree par deux formations...formations detritiques steriles (Fig. 2). La formation inframindrale: situde au tour du gisement, elle comprend |  | | Book | | E.GSt 'to W,e st and' North to South the Logo's been unfurled For North is North and E,a.st is East both...SMLS Chair 2022 Botallackite (Xtals 3mm) Bunmahon Mine, Copper Coast, Eire. Photo:John Hall CONTENTS...crystal group - Ramsbeck, Meschede, Sauerland, North Rhine - Westphalia , Germany . Photo: John Hall...overseas field trips; to Europe, Siberia, Namibia, the USA & Canada and the Faroe Islands. Practical courses...to descend the hydraulic shaft in the Smallcleugh Mine and we bought an inflatable dinghy so we could land |  | Wilson, Jonathan P., Fischer, Woodward W., Johnston, David T., Knoll, Andrew H., Grotzinger, John P., Walter, Malcolm R., McNaughton, Neal J., Simon, Mel, Abelson, John, Schrag, Daniel P., Summons, Roger, Allwood, Abigail, Andres, Miriam, Gammon, Crystal, Garvin, Jessica, Rashby, Sky, Schweizer, Maia, Watters, Wesley A. (2010) Geobiology of the late Paleoproterozoic Duck Creek Formation, Western Australia. Precambrian Research, 179 (1) 135-149 doi:10.1016/j.precamres.2010.02.019 | Journal (article/letter/editorial) | | Geobiology of the late Paleoproterozoic Duck Creek Formation, Western Australia Jonathan P. Wilson a,b,∗ ,...Earth and Planetary Sciences, Harvard University, USA Division of Geological and Planetary Sciences, California...Pasadena, CA, USA c Department of Organismic and Evolutionary Biology, Harvard University, USA d The Agouron...Agouron Institute, USA e Australian Centre for Astrobiology, University of New South Wales, Australia f...Institute of Technology, USA g Jet Propulsion Laboratory, USA h Chevron Corp., USA i Curtin University of |  | | Conference Proceedings | | GSA~®U® Denver, ANNUAL MEETING Colorado, & USA EXPOSITION PROGRAM '1 '1 '1 '1 Expert technical...Park, Colorado, 25-28 September • Denver, Colorado USA 3 INTERNATIONAL CENTRE FOR DIFFRACTION DATA...by Kea Giles. 25-28 September • Denver, Colorado USA 5 TOOLS INFLUVIAL GEOMORPHOLOGY (011(0 01 0. MATHIAS...visitors from Cuba who will join their European and North American colleagues for a symposium on the complex...a key to understanding interactions between the North American and Caribbean plates. Please join us as |  | | Report (volume) | | Index . . . . VII 655 III BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1966 INTRODUCTION The current...current annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1966 c~ncerning the geology of the North American continent, Greenland, the West Indies and adjacent·...in foreign journals are cited if they deal with North American localities or are of a general nature,...they deal only with foreign areas. Articles on North America by foreign authors are included regardless |  | | Report (volume) | | Bibliography of North American Geology, 1967 GEOLOGICAL SURVEY BULLETIN 1267 UNITED STATES GOVERNMENT...Index . . . . VII 619 III BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1967 INTRODUCTION The current annual...annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1967 concerning the geology of the North American continent, Greenland, the West Indies and adjacent...in foreign journals are cited if they deal with North American localities or are of a general nature, |  | | Book | | as tectonic movements, volcanoes, rock and ore formation, and looks at the physical and visual properties...bigger picture of the key factors behind mineral formation and their relationship to rocks, plus the important...01225 478440; sales@manning-partnership.co.uk North American agent/distributor: National Book Network;...the geysers at Yellowstone National Park, Wyoming, USA. Silica-rich minerals are deposited by the hot water...1nountain ranges were built by these and exploited a range of metal ores powerful, natural forces. So the world |  | | Book | | gold were first used at hunted and exploited a range of metal create new mountains. So the world is...are worn away by rivers and that are aided by a range of sophisticated sediment washed into the sea forms...miles down is the yolk or ‘core’ of metal, mainly iron and nickel. The outer core is so ferociously hot...was hot and semi-molten. Dense elements such as iron sank towards the centre to form the core. Lighter...harden into a crust. Below: Blacksmiths know that iron only melts at very high temperatures, and scientists |  | | Report (issue) | | investigations—Continued Central region—Continued Minnesota ______________———----_Mississippi embayment ——————————___...Tectonic and geophysical studies __________ Basin and Range region ______________________ Mineral-resource studies...__—————————————. Michigan _————————————————. Minnesota ————————————————. Minnesota and Wisconsin —__—___. New Hampshire...region ___ Alabama _____ Florida ____Georgia ___—. North Carolina Tennessee _—. Central region ——_—_ Multistate..._____-__-__--_-—— New Mexico _———————————————— North Dakota __________-_____ South Dakota __________-_____ |
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