 | | 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...metarhyolite porphyry.________________________ Amasa Formation.____________________________________________...rocks (chilled zone)________________________ Magnetite-rich differentiate.____________________________...geology____-_____-__-___-__-___--____-_______-_-_-______ Iron.________________________________________________________ |  | | 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...Hemlock formation __________ Fence River formation._ Amasa formation__ ________ Michigamme slate. _________ |  | | 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) | | survey of iron-ore resources of the United States, with selected bibliography and tables of iron-ore reserves...al sources of iron ore___________________________________ Geographi c pattern of iron and steel industry...History of iron-ore production_________________________________ Mineralogy and geology of iron ores-___..._______---_-_____ 62 63 63 64 66 68 Principal iron-ore minerals.. i ' \ _ -_--__ ____ 68 Impurities...______ Types of iron-ore deposits.------------------------.--.--------Principal iron-ore deposits--------- |  | | Report (issue) | | beryl production from the Harding pegmatite, Taos County. Current drilling in the Apache Warm Springs deposit...Be-U-F or epithermal volcanic-hosted deposit. The Iron Mountain deposit, also in the Sierra Cuchillo south...were discovered in the Victorio Mountains, Luna County in the early 1900s. Gulf Minerals Resources, Inc...porphyry Mo and W-Mo-Be skarn deposits northwest of Mine Hill and south of Middle Hills. At a cut-off grade...Mountain, Otero County and in the molybdenum porphyry deposit at Questa, Taos County, although not in |  | | 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 ............................................ 252 253 255 256, 256 258 259 260 261 Magnetite-bandedrocks ................................. |  | | Report (chapter) | | Blue Ridge ophiolites, Southern Appalachian Orogen, USA LOREN A. RAYMOND 1, S A M U E L JAMES E. SWANSON... Appalachian State University, Boone, NC 28608, USA (e-mail: raymondla@appstate.edu) 2Department o f...Geology, University of Georgia, Athens, GA 30602, USA Abstract: Resolution of the petrotectonic history...(McSween & Hatcher 1985; Tenthorey et al. 1996; Warner 2001). Here, we use From: DILEK, Y. & ROBINSONE...Orthopyroxene -I- Clinopyroxene -t- Hornblende + Magnetite Association A-2: Olivine + Orthopyroxene + Clinopyroxene |  | | Report (issue) | | Institute of Technology Library Michigan Ann Arbor, University of Michigan Library Detroit Public Library...information immediately available to property owners and mine operators concerned with exploration for and productiqn...Waldemere, Geology of the Ruin Basin area, Gila County, Ariz.: 134 pp., 36 pls., 1 fig. May 7, 1951. Geology...Washington 25, D. C. Brokaw, A. L., Green Monster mine, Clark County, Nevada: 9 pp., 7 pls. Oct. 4, 1951. U. S...Jr., Geology of the Oswego quadrangle, Roosevelt County, Mont.: 45 pp., 1 map, 12 figs. Aug. 20, 1951. |  | | Journal (article/letter/editorial) | | array of other minerals, as evidenced by this county-by-county description of localities. A R K A N S A...includes brief statements about the geology, type of mine or outcrop, mining and collecting history, and one...reported but is considered questionable. *The Michigan index was published in volume 58, number 3; the...C A L H O U N 1-SftADLEvi -J PYRITE PHOSPHATES (IRON, BARIUM, Al) i— GALENA MILLER < > JCOLUMS.A | I...counties where minerals have been found. Baxter County Michigan Mine, 1 mile east of Buffalo River; fractured |  | | Journal (article/letter/editorial) | | University of Michigan, Department of Geological Sciences, Ann Arbor, Michigan 48109, USA Abstract. Akermanite...Mineralogical Laboratory, The University of Michigan, Ann Arbor, MI 48109, USA 1 Present address: Rice University...University, Department of Geology, Houston TX 77001, USA ined the stability of akermanite-bearing assemblages...wollastonite, calcite, clinopyroxene, quartz or magnetite. It is likely that many of the compositional zones...the Adirondacks from K-feldspar-plagioclase and magnetite-ilmenite thermometry (Bohlen and Essene 1977; |  | | Journal (article/letter/editorial) | | of Geological Sciences University of Michigan Ann Arbor, Michigan 48109 T H E A R T I C L E B Y J A C...pegmatite prospecting on Mount Antero, Chaffee County, Colorado, gives a detailed account of fine min... This type includes the veins at the California mine in Browns Creek (Landes, 1934) and those along the...ferrimolybdite. Other accessories are fluorite, magnetite, E. William Heinrich, professor of mineralogy...mineralogy emeritus at the University of Michigan, is the author of numerous mineralogy articles, books, abstracts |  | | Report (volume) | | RELATED TO WILDERNESS WILDERNESS AREAS SOUTH WARNER CALIFORNIA GEOLOGICAL SI RVKY BUL.LF 11\ i..-,... Mineral Resources of the South Warner Wilderness, Modoc County, California By WENDELL A. DUFFIELD...A. Mineral resources of the South Warner Wilderness, Modoc County, California. (Studies related tc wilderness...1. Mines and mineral resources-California-South Warner Wilderness. I. Weldin, Robert D., joint author...reports the results of a mineral survey of the South Warner Wilderness, California. CONTENTS Summary __ |  | | Report (volume) | | Bibliography of Iron Ore Resources of the World (To January 1955) GEOLOGIC.AL SURVEY BULLETIN 1019-·D...1019-·D Bibliography of Iron Ore Resources of the World (To January 1955)By GWENDOLYN W. LUTTRELL CONTRIBUTIONS...BIBLIOGRAPHY .OF MINERAL RESOURCES BIBLIOGRAPHY OF IRON ORE RESOURCES OF THE WORLD (TO JANUARY 1955) By...references to much of the important literature on iron ore deposits of the world. Abstracts of reports...Ark. Geol. Survey County Min. Rept.; Ann. Rept. -Arkansas Geological Survey, County Mining Report; Annual |  | | Report (issue) | | Deposits of the Palmer Quadrangle, Marquette County, Michigan GEOLOGICAL SURVEY PROFESSIONAL Prepared...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources PAPER 769 Bedrock...Quadrangle, Marquette County, Michigan By JACOB E. GAIR With a section on THE EMPIRE MINE By TSU-MING HAN...HAN, CLEVELAND CLIFFs IRON CoMPANY GEOLOGICAL SURVEY PROFESSIONAL PAPER 769 Prepared in cooperation...cooperation with the Geological Survey Division of the Michigan Department of Natural Resources A1iddle Precambrian |  | | Journal (issue) | | Discovery of Pink Tourn1aline at the Cryo-Genie Mine, San Diego County, California Kenneth L. Gochenour 2670 East...found at the C ryo-Genie mine near Warner Springs in northern San Diego County, California. The crystals...specimen will soon find its home the Los Angles County Museum of Natural History. Another , rge crystal...the Fig. 1 Elbaite, recent find at the Cryo-Genie Mine; from Gochenour's display at the TGMS Show. Conti...in the Hams-Weeks Pegmatite, Wakefield, Carroll County, New Hampshire Art Smith 9118 Concho Street Houston |  | | Journal (article/letter/editorial) | | Aspects unique to pneumatic converting of high iron, lower grade mattes (typically up to 30% NiCuCo)...cobalt, nickel and iron, except for any iron associated with oxygen as magnetite, typically as the sulphides...of PGM converting, the rate of metallisation by iron is predicted to exceed nickel, so the sequence above... calling the converter product Bessemer matte (Warner and Díaz 2003). However, the positioning of vertical...Crocodile River, South Africa and then at Stillwater, USA – Table 2) (Roset et al. 1992). The TBRC continues |  | | Report (volume) | | Placer-Gold Deposits of the Jicarilla Mountains, Lincoln County, New Mexico By KENNETH SEGERSTROM and GEORGE E.... . . . . . . . . . . . . . . . . . . . . . . . Iron and copper . . . . . . . . . . . . . . . . . . ...and sections of the Jicarilla Mountains, Lincoln County, New Mexico ....................................PLACER-GOLD DEPOSITS OF THE JICARILLA MOUNTAINS, LINCOLN COUNTY, NEW MEXICO By KENNETH SEGERSTROM and GEORGE...of the metamorphosed rock has been replaced by magnetite. Minor vein deposits of specularite and sulfides |  | | Report (issue) | | Nonpegmatite Beryllium in the United States By LAWRENCE A. WARNER, WILLIAM T. HOLSER, VERL R. WILMARTH and EUGENE...Survey has cataloged this publication as follows: Warner, Lawrence Alien, 1914Occurrence of nonpegmatite...beryllium in the United States, by Lawrence A. Warner [and others] Washington, U. S. Govt. Print. Off..._________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten |  | | Report (volume) | | Iron and Copper Deposits of Kasaan Peninsula Prince of Wales Island Southeastern Alaska GEOLOGICAL SURVEY...SURVEY BULLETIN 1090 Iron and Copper Deposits of Kasaan Peninsula Prince of Wales Island Southeastern...Southeastern Alaska By L. A. WARNER, E. N. GODDARD, and others GEOLOGICAL SURVEY BULLETIN 1090 UNITED...Library has cataloged this publication as follows: Warner, Lawrence Allen, 1914Iron and copper deposits of...133. 1. Ore-deposits-Alaska-Kasaan P·e ninsula. 2. Iron mines and mining-Alaska-Kasaan Peninsula. 3. Copper |  | | Report (issue) | | Gold deposits of the West Springs area, Union County, South Carolina Dennis J. LaPoint................crystallization in South Carolina Diabase Richard D. Warner, Nicholas B. Kidd, David S. Snipes, and Jeffrey... South Carolina D. S. Snipes, N.B. Kidd, R. D. Warner, R. A. Hodges, V. Price, Jr., and T. J. Temples...state and the oldest intact public building in the county (Charles, 1987). phyry was mapped by Dennis (1989)...SPUR JUST NORTH OF SC HIGHWAY 9 IN EASTERN CHESTER COUNTY, SOUTH CAROLINA. LOCATION The outcrops are along |  | | Journal (article/letter/editorial) | | Geophysics, University of Utah, Salt Lake City, Utah (USA) Received January 23, 1975 Revised version received...orthopyroxene are intergrown with ilmenite and magnetite. Lower Zone a is the lowest exposed layered zone...gaard pair is more iron-rich (Gk8 and En68) and occurs with vanadium-rich magnetite. In all cases, however...0.28 0.94 0.03 19.1 0.46 24.4 1.10 - 100.5 Magnetite Sums: 99.9 Recalculated analyses: FeO Fe203...breccia 60016; 2 = Monastery Mine, South Africa [4]; 3 = Frank Smith Mine, South Africa [5]; 4 = Skaergaard |  | | Report (issue) | | rhyolitic rocks, Idaho -------------Greenstone Flow, Michigan ---------------Hypabyssal (diabase) provinces...central Arizona --------------Bullfrog district, Nye County, Nev ____________ _ The Mother Lode, California...Butte Quartz Monzonite, Butte district, Silver Bow County, Mont-----------------------------------------...gold and copper in the Greenstone Flow of the Michigan copper district ---------------Distribution of... of gold in Precambrian diabase intrusions, Iron County, Mo _____________________________ _ Distribution |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...Green Valley, AZ Donald R. Peacor University of Michigan Ann Arbor, MI Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton, Michigan Correspondents Dudley Blauwet Louisville, Colorado...C. Schuh & W. E. Wilson The Minh Tien tourmaline mine, Luc Yen Mining District, Yenbai Province, Vietnam...the Biographical Archive: John Grieger and Thomas Warner, California mineral dealers and collectors . . |  | | Journal (article/letter/editorial) | | Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymond, Arthur Merschat & R. Kelly Vance...Metamorphic Suite of northwestern North Carolina, USA, International Geology Review, 58:7, 874-912, DOI:...Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymonda, Arthur Merschatb and R. Kelly...State University, Boone, NC, USA; bUS Geological Survey, Reston, VA, USA; cDepartment of Geology and Geography...Geography, Georgia Southern University, Statesboro, GA, USA ABSTRACT ARTICLE HISTORY Metaultramafic rocks |  | | Report (issue) | | ----------------------- Pre-Tertiary copper-magnetite deposits not previously described------------...------------------------------------Magnetite south of Baker Point_________________________ Chalcopyrite...deposition_______________________________ Origin of magnetite-chalcopyrite ores_____________________ Suggestions...conglomerate from Berry Island, Kasaan Bay, showing magnetite pebble ___ ------ ____________ -------- _____________...northwest of the town of Ketchikan. Deposits of magnetite and eopper in the mapped area and on Kasaan Peninsula |
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