 | Childress, Tristan M., Simon, Adam C., Day, Warren C., Lundstrom, Craig C., Bindeman, Ilya N. (2016) Iron and Oxygen Isotope Signatures of the Pea Ridge and Pilot Knob Magnetite-Apatite Deposits, Southeast Missouri, USA. Economic Geology, 111 (8) 2033-2044 doi:10.2113/econgeo.111.8.2033 | Journal (article/letter/editorial) | | 2033–2044 Iron and Oxygen Isotope Signatures of the Pea Ridge and Pilot Knob Magnetite-Apatite Deposits...Deposits, Southeast Missouri, USA* Tristan M. Childress,1,† Adam C. Simon,1 Warren C. Day,2 Craig C. Lundstrom...ratios are reported for magnetite samples from high-grade massive magnetite of the Mesoproterozoic Pea...Pea Ridge and Pilot Knob magnetite-apatite ore deposits and these results are compared with data for other...other iron oxide-apatite deposits to shed light on the origin of the southeast Missouri deposits. The |  | | Journal (article/letter/editorial) | | com/locate/oregeorev The Southeast Missouri (USA) Proterozoic iron metallogenic province—Types of deposits...deposits and genetic relationships to magnetite–apatite and iron oxide–copper–gold deposits John L. Nold...Earth Science, University of Central Missouri, Warrensburg, MO 64093, USA ARC Centre of Excellence in Ore...10 October 2013 Keywords: Missouri (USA) iron district Proterozoic Magnetite Hematite IOCG-IOA a b s...s t r a c t The Southeast Missouri (USA) iron metallogenic province within the Mesoproterozoic St. Francois |  | | Journal (article/letter/editorial) | | the Southeast Missouri Iron Metallogenic Province M. A. Starkey† and C. M. Seeger Missouri Geological Survey...Survey, Missouri Department of Natural Resources, 111 Fairgrounds Road, Rolla, Missouri 65401 Abstract...has been a driving force in the development of Missouri for hundreds of years—a history of feast and famine...famine, success and ruin. In southeast Missouri, the mining history spans times from early crude furnaces...Eight major iron orebodies and myriad minor deposits are known in the southeast Missouri iron metallogenic |  | Tunnell, Bolorchimeg N., Locmelis, Marek, Seeger, Cheryl, Mathur, Ryan, Dunkl, István, Sullivan, Brandon, Lori, Lisa (2021) The Pilot Knob iron ore deposits in southeast Missouri, USA: A high-to-low temperature magmatic-hydrothermal continuum. Ore Geology Reviews, 131. 103973pp. doi:10.1016/j.oregeorev.2020.103973 | Journal (article/letter/editorial) | | com/locate/oregeorev The Pilot Knob iron ore deposits in southeast Missouri, USA: A high-to-low temperature...Petroleum Engineering, Missouri University of Science & Technology, Rolla, MO, USA Missouri Department of Natural...Natural Resources, Missouri Geological Survey, Rolla, MO, USA Juniata College, 1700 Moore St, Huntingdon...Huntingdon, PA 16652, USA d Sedimentology and Environmental Geology, Geoscience Center, University of Göttingen... MO 65566, USA b c A R T I C L E I N F O A B S T R A C T Keywords: Southeast Missouri IOA/IOCG deposits |  | Day, Warren C., Slack, John F., Ayuso, Robert A., Seeger, Cheryl M. (2016) Regional Geologic and Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits of the Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1825-1858 doi:10.2113/econgeo.111.8.1825 | Journal (article/letter/editorial) | | Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits...Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA Warren C. Day,1,† John F. Slack,2 Robert A....Mail Stop 973, Lakewood, Colorado 80225 2 U.S. 3 Missouri Geological Survey, National Center, Mail Stop...of Natural Resources, Missouri Geological Survey, P.O. Box 250, Rolla, Missouri 65402 Abstract This paper...associated iron oxide ± apatite (IOA) ± rare earth element, iron oxide-copper-gold (IOCG), and iron-rich sedimentary |  | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive list of Missouri mineral...found in Missouri; two of these, fletcherite and starkeyite, were first described from Missouri mines....location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular |  | | Journal (article/letter/editorial) | | VolcanicStratigraphyof the Pilot Knob Iron Deposits,Iron County, Missouri SAMUEL V. PANNO* Department...Abstract The Pilot Knob area, located in Iron County in southeasternMissouri,containstwo iron deposits,...petrographicstudyof the rocksin and aroundthe Pilot Knob PelletCompany mine hasled to the constructionof...placementof the iron depositswithin the stratigraphicsequence.The bulk of the subsurface magnetite depositis...T•E Pilot Knobiron deposits are locatedimmediately southeast of the town of Pilot Knob, in Iron County |  | Slack, John F., Corriveau, Louise, Hitzman, Murray W. (2016) A Special Issue Devoted to Proterozoic Iron Oxide-Apatite (±REE) and Iron Oxide Copper-Gold and Affiliated Deposits of Southeast Missouri, USA, and the Great Bear Magmatic Zone, Northwest Territories, Canada: Preface. Economic Geology, 111 (8) 1803-1814 doi:10.2113/econgeo.111.8.1803 | Journal (article/letter/editorial) | | Special Issue Devoted to Proterozoic Iron Oxide-Apatite (±REE) and Iron Oxide Copper-Gold and Affiliated...Affiliated Deposits of Southeast Missouri, USA, and the Great Bear Magmatic Zone, Northwest Territories, Canada...Mesoproterozoic St. Francois Mountains terrane of southeast Missouri, United States, and in the Paleoproterozoic Great...special issue emphasize iron oxide-apatite (IOA) ± rare earth element (REE) and iron oxide-copper-gold (IOCG)...drilling at and near IOA and IOCG deposits in Missouri, and of exceptional field exposures in the Great |  | Johnson, Craig A., Day, Warren C., Rye, Robert O. (2016) Oxygen, Hydrogen, Sulfur, and Carbon Isotopes in the Pea Ridge Magnetite-Apatite Deposit, Southeast Missouri, and Sulfur Isotope Comparisons to Other Iron Deposits in the Region. Economic Geology, 111 (8) 2017-2032 doi:10.2113/econgeo.111.8.2017 | Journal (article/letter/editorial) | | Ridge Magnetite-Apatite Deposit, Southeast Missouri, and Sulfur Isotope Comparisons to Other Iron Deposits...the Pea Ridge magnetite-apatite deposit, the largest historic producer among the known iron deposits in...in the southeast Missouri portion of the 1.5 to 1.3 Ga eastern granite-rhyolite province. The data were...element potential of iron deposits regionally. The δ18O values of Pea Ridge magnetite are 1.9 to 4.0‰, consistent...with a model in which some magnetite crystallized from a melt and other magnetite—perhaps the majority—precipitated |  | | Report (volume) | | Petrogenesis and tectonic setting of Middle Proterozoic iron oxide-rich ore deposits-An ore deposit model for...southeast Missouri, by Eva B. Kisvarsanyi 48 Progress toward an occurrence model for Proterozoic iron oxide...ore provinces of South Australia and southeast Missouri, by Marco T. Einaudi and Naomi Oreskes 58 The...Proterozoic metallogenic province of southeast Missouri-A blueprint for State and Federal cooperation...and evaluation of the Pea Ridge iron ore mine (Washington County, Missouri) for rare-earth element and precious |  | | Report (issue) | | Region Rosiclare, Illinois to Ironton and Viburnum, Missouri June 30-July 8, t 989 Field Trip Guidebook Tt47...Peabody Drive Champaign, IL 61820 Eva B. Kisvarsanyi Missouri Dept. of Natural Resources Div. of Geology and...Dept. of Geology and Geophysics University of Missouri - Rolla Rolla, MO 65401 Associate Leaders: James...Dept. of Geology and Geophysics University of Missouri - Rolla Rolla, MO 65401 IGC FIELD TRIP T147:...Richard D. Hagni 4 COVER The Arch, St. Louis, Missouri. lIllinois State Geological Survey, Urbana, Illinois |  | | Journal (article/letter/editorial) | | events in the Proterozoic St. Francois Mountains, Missouri E.M. King a,∗ , A.P. Trzaskus a,b , J.W. Valley...1996). The St. Francois Mountains in southeast Missouri contain the only major exposures of Mesoproterozoic...with iron oxide deposits in the region. Xenotime from a mineral vein at the Pea Ridge magnetite/hematite...magnetite/hematite iron mine, northwest of the St. Francois Mountains, has a U–Pb age of 1466 ± 3 Ma, while the host...02, 9.18 Knob Lick quarry Knob Lick Knob Lick quarry Knob Lick quarry 5 5 5 5 03SFM29 Knob Lick 03SFM27 |  | | Journal (article/letter/editorial) | | MAGNETITES 4 AND HEMATITES, SOUTHEAST MISSOURI IRON METALLOGENIC PROVINCE, U.S.A. GEZA KISVARSANYI.................................................. Iron deposits .........................................content in magnetite and hematite ...................... Geochemistryof the ferrid elementsof the iron deposits...occur in the volcanic rocks of the SoutheastMissouri Iron MetallogenicProvincein an area approximately70...enrichments in fluorite,calcite,and iron oxidesare present. The shapesof the iron depositsrangefrom massivetabularto |  | | Journal (article/letter/editorial) | | characteristics and tectonic setting of Proterozoic iron oxide (Cu-U-Au-REE) deposits M u r r a y W. H i...03755, USA CDepartment of Applied Earth Sciences, Stanford University, Stanford, CA 94305, USA (Received...characteristics and tectonic setting of Proterozoic iron oxide ( C u - U - A u - R E E ) deposits. In: G...breccias, Yukon, the Kiruna iron ore district, Sweden, and the southeast Missouri iron ore district, and a review...class of ore deposits characterized by low-titanium, iron-rich rocks formed in extensional tectonic environments |  | | Journal (article/letter/editorial) | | sediments of the Taum Sauk Caldera, southeastern Missouri, USA G. R. LOWELL1,* 1 2 AND P. D. NOLL JR2 Department...Geosciences, Southeast Missouri State University, Cape Girardeau, MO 63701, USA Actinide Analytical Chemistry...Alamos National Laboratory, Los Alamos, NM 87545, USA ABSTR ACT Stromatolitic carbonate in moat-fill...magma-derived brine at Ketcherside Gap in southeastern Missouri. The skarn records early low fO2 conditions similar...: reduced skarn, Fe-Cu-Au, Mesoproterozoic, SE Missouri, St. François Mountains. Introduction IN this |  | | Journal (issue) | | f1tuite,.'4. 1942 Jo,,, dJ~, 1943. CHIPS FROM THE QUARRY .................................................Robert W. Fa11sei ................ 43 MISSOURI IRON-PILOT KNOB. By Clark Harrison .....................of ,rystaJ 46 ROCKS AND MINERALS MISSOURI IRON----PILOT KNOB By CLARK HARRISON Special Correspondent...my thoughts to turn back to the summers in Old Missouri, where, as a boy, I used to scrap lead ore from...enough to work, I did quite a bit of mining for iron (hematite) and lead (galena) , for these ores were |  | | Report (issue) | | MINERAL-RESOURCE POTENTIAL OF THE ROLLA I°x2° QUADRANGLE, MISSOURI, AS APPRAISED IN SEPTEMBER 1980 Walden P. Pratt...Pratt, Editor Prepared in cooperation with the Missouri Department of Natural Resources, Division of Geology...selected areas in the Rolla 1°x2° quadrangle, Missouri.................................. Estimated amounts...selected areas of the Rolla I°x2° quadrangle, Missouri.................................................1980.......... Resource potential for Kiruna-type iron apatite(-copper) deposits, September 1980...... |  | | Report (volume) | | SURVEY OF MISSOURI. ARTHUR WINSLOW, STATE GEOLOGIST. VOL. II . A REPORT 0:N THE IRON ORES OF MISSOURI...geologist, C. R. KEYES, paleontologist. Specialties : Iron and ~JJfangan ese. H. A. WHEELER, ass't geologist...in Zinc and Lead Work. E. H. LONSDALE, ass't in Iron o,·e Work ancl Detailecl fliapping. T. B. MARBUT...Polk County. LETTER OF TRANSMITTAL. 0FFICI~ OF THE GEOLOGICAL SURVEY,} JEFFERSON CITY, MISSOURI, December...to transmit, herewith, a Report upon the Iron Ores of Missouri, by Mr. Frank L. Nason, assistant geologist |  | | Report (issue) | | INTERPRETATION OF AEROMAGNETIC ANOMALIES IN SOUTHEASTERN MISSOURI By John W. Allingham A study of the relations...mineral deposits Prepared in cooperation with the Missouri Geological Survey Open-file Report 76-868 1976...mineral deposits.......................... 185 Iron deposits..................................... 186...Shepherd Kountain anomaly.................... 201 Iron Mountain anomaly........................ 207 ....anomalies in Missouri.......... 256 ILLUSTRATIONS PAGE Figure 1. 2. Index map of Missouri showing exposed |  | | Journal (article/letter/editorial) | | Copyright © 2000 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/00 $20.00 ⫹ .00 Pergamon...Department of Geosciences, Tucson, Arizona 85721, USA (Received November 26, 1997; accepted in revised...St. Francois Mountains terrane of southeastern Missouri, Nd for Fe-P-REE (apatite, monazite, xenotime)...deposits at Olympic Dam, Australia, and the Kiruna Iron District in northern Sweden (e.g., Oreskes and Einaudi...In the St. Francois Mountains of southeastern Missouri, Middle Proterozoic (⬇1.47 Ga) volcanic rocks |  | | Journal (article/letter/editorial) | | MOBILIZATION OF IRON UI.ViSSPINEI. IN BY ALTERATION BASIC ROCKS GEORGE A. OF IN MAGNETITE- MISSOURI...MISSOURI DESBOROUGH ABSTRACT Alteration of magnetite-ulv;Sspinel to turbid spheneand olivine to Ia chlorite...easternMissouri involvessignificantmobilizationof iron as well as other elements. This type of alteration...basic rocks. Because the sphene that replaced magnetite-ulv/Sspinel may be virtually opaquein thin sections...ot• large scale iron mobilization and concentrationto form ore depositsof magnetite and/or hematite. |  | | Journal (article/letter/editorial) | | FEBRUARY 21, 1874.J souri iron ores, the hematite and the limonite (sometimes the manufacture of spiegeleisen...workable iron ore reaches north of the Mis souri River at one point only, in Callaway county, where ...but they waste products. That portion richest in iron or�s, however, is comprised in a broad belt crossing...direction about parallel to the course of the Missouri river, between Ore banks having the appearance...workmen, who, with huge iron and Madison, and the small but immensely productive Iron and compose in themselves |  | | Journal (article/letter/editorial) | | beneath the southern Midcontinent (USA) and controls on Mesoproterozoic iron-oxide mineralization from 3D geophysical...the geologic framework beneath the southeast Missouri iron metallogenic province, we invert continental-scale...models confirm that iron oxide-apatite ± rare earth element (IOA ± REE) deposits and iron oxide-copper-gold...isotopic and geochemical studies conclude that the iron deposits and their volcanic host rocks originated...that are evident in the 3D models. The southeast Missouri metallogenic province is underlain by one such |  | Ayuso, Robert A., Slack, John F., Day, Warren C., McCafferty, Anne E. (2016) Geochemistry, Nd-Pb Isotopes, and Pb-Pb Ages of the Mesoproterozoic Pea Ridge Iron Oxide-Apatite–Rare Earth Element Deposit, Southeast Missouri. Economic Geology, 111 (8) 1935-1962 doi:10.2113/econgeo.111.8.1935 | Journal (article/letter/editorial) | | Mesoproterozoic Pea Ridge Iron Oxide-Apatite–Rare Earth Element Deposit, Southeast Missouri* Robert A. Ayuso,1...Center, Denver, Colorado 80225 Abstract Iron oxide-apatite and iron oxide-copper-gold deposits occur within...alteration and associated REE mineralization. The magnetite-rich rocks and REE-rich breccias show similar...44 to 4.25 and TDM from 1.51 to 1.59 Ga; (2) magnetite ore and specular hematite rocks display eNd from...TDM from 1.66 to 1.56. The eNd values of the magnetite and specular hematite samples show that the REE |  | | Journal (article/letter/editorial) | | IronOreso,ftheKirunaType •UDYARD FRIETSCIt Abstract Iron ores of the Kiruna type are unusualformationsrestrictedboth...principallyfoundin the Precambrianof Swedenand Missouri. The purposeof the present paper is to summarize...region of hydrothermal iron ores (hematite impregnations) and apatite-bearing iron ores--the intimate relationship...1969;Bickford, 1976). Magnetite-apatite-actinolite ores are also mineral associationis magnetite-(hematite)-apatiteactinolite...Recent. The ores of the Kiruna type consistof magnetite Missouri belong to this variety. and less commonlyhematite |
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