 | 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) | | Signatures of the Pea Ridge and Pilot Knob Magnetite-Apatite Deposits, Southeast Missouri, USA* Tristan M....high-grade massive magnetite of the Mesoproterozoic Pea Ridge and Pilot Knob magnetite-apatite ore deposits...origin of the southeast Missouri deposits. The δ18O values of magnetite from Pea Ridge (n = 12) and Pilot...respectively. The δ56Fe values of magnetite from Pea Ridge (n = 10) and Pilot Knob (n = 6) are 0.03 to 0...propose that the δ18O and δ56Fe data for the Pea Ridge and Pilot Knob magnetite-apatite deposits are |  | | Journal (article/letter/editorial) | | Acta 272 (2020) 54–77 www.elsevier.com/locate/gca Zircon-hosted melt inclusion record of silicic magmatism...Mesoproterozoic St. Francois Mountains terrane, Missouri: Origin of the Pea Ridge iron oxide-apatite-rare earth element...the St. Francois Mountains terrane in southeast Missouri, part of the broader Mesoproterozoic Granite-Rhyolite...endowments of critical elements, such as the Pea Ridge iron oxide-apatite (IOA) deposit, which has an...genesis of the Pea Ridge deposit, we present a high-spatial resolution study of zircon-hosted melt inclusions |  | Neymark, L. A., Holm-Denoma, C. S., Pietruszka, A. J., Aleinikoff, J. N., Fanning, C. M., Pillers, R. M., Moscati, R. J. (2016) High Spatial Resolution U-Pb Geochronology and Pb Isotope Geochemistry of Magnetite-Apatite Ore from the Pea Ridge Iron Oxide-Apatite Deposit, St. Francois Mountains, Southeast Missouri, USA. Economic Geology, 111 (8) 1915-1933 doi:10.2113/econgeo.111.8.1915 | Journal (article/letter/editorial) | | from the Pea Ridge Iron Oxide-Apatite Deposit, St. Francois Mountains, Southeast Missouri, USA* L. A. Neymark... Canberra, ACT, 0200 Australia Abstract The Pea Ridge iron oxide-apatite (IOA) deposit is one of the...mineral geochronometers, are abundant in the Pea Ridge orebody. However, the potential presence of multiple...on the formation and alteration history of the Pea Ridge IOA deposit. The oldest apatite TIMS 207Pb*/206Pb*...(but within error of) the ~1474 to ~1473 Ma U-Pb zircon ages of the host rhyolites. Dating of apatite and |  | 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) | | 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...St. Francois Mountains terrane of southeast Missouri, USA. The St. Francois Mountains terrane lies along...to emplacement of the ore-forming systems. The Missouri iron orebodies are magmatic-related hydrothermal |  | 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) | | Copper-Gold and Affiliated Deposits of Southeast Missouri, USA, and the Great Bear Magmatic Zone, Northwest...Mesoproterozoic St. Francois Mountains terrane of southeast Missouri, United States, and in the Paleoproterozoic Great...drilling at and near IOA and IOCG deposits in Missouri, and of exceptional field exposures in the Great...REE, IOCG, and affiliated deposits of southeast Missouri and the Great Bear magmatic zone of which 12 are...three papers were submitted by workers from the Missouri Geological Survey (Rolla), the Deutches GeoForschungsZentrum |  | Harlov, Daniel E., Meighan, Corey J., Kerr, Ian D., Samson, Iain M. (2016) Mineralogy, Chemistry, and Fluid-Aided Evolution of the Pea Ridge Fe Oxide-(Y + REE) Deposit, Southeast Missouri, USA. Economic Geology, 111 (8) 1963-1984 doi:10.2113/econgeo.111.8.1963 | Journal (article/letter/editorial) | | Fluid-Aided Evolution of the Pea Ridge Fe Oxide-(Y + REE) Deposit, Southeast Missouri, USA* Daniel E. Harlov,1...Ontario, Canada N6E 1L3 Abstract The Kiruna-type Pea Ridge iron oxide-apatite (IOA) deposit is hosted by...tuffs of the St. Francois Mountains, southeast Missouri, USA. It consists of a series of altered zones composed...fluorapatite, monazite, xenotime, and iron oxides at Pea Ridge, suggest a subvolcanic origin coupled with a strong...Mineville orebody, Adirondack Mountains, New York, USA (McKeown and Klemic, 1956; Lupulescu and Pyle, 2005 |  | Aleinikoff, J. N., Selby, D., Slack, J. F., Day, W. C., Pillers, R. M., Cosca, M. A., Seeger, C. M., Fanning, C. M., Samson, I. M. (2016) U-Pb, Re-Os, and Ar/Ar Geochronology of Rare Earth Element (REE)-Rich Breccia Pipes and Associated Host Rocks from the Mesoproterozoic Pea Ridge Fe-REE-Au Deposit, St. Francois Mountains, Missouri. Economic Geology, 111 (8) 1883-1914 doi:10.2113/econgeo.111.8.1883 | Journal (article/letter/editorial) | | the Mesoproterozoic Pea Ridge Fe-REE-Au Deposit, St. Francois Mountains, Missouri J. N. Aleinikoff,1,†...20192 4 Missouri 5 Research 6 Department Department of Natural Resources, Rolla, Missouri 65402 School...the margins of the 136-million metric ton (Mt) Pea Ridge magnetite-apatite deposit, within Mesoproterozoic...St. Francois Mountains terrane in southeastern Missouri, United States. The breccia pipes cut the rhyolite-hosted...grains of monazite (both morphologies) and xenotime. Zircon grains from two samples of host rhyolite and two |  | | Journal (article/letter/editorial) | | A-type rhyolites from the St Francois Mountains, Missouri and the Mesoproterozoic evolution of the southern...Department of Natural Resources, Rolla, MO 65401, USA Received 28 July 2000; accepted 8 August 2001 Abstract...exposed only in the St Francois Mountains inlier, Missouri. Combined Nd isotopic, major and trace element...rocks from the St Francois Mountains of southeast Missouri. The data constrain models for the petrogenesis...background The St Francois Mountains of southeast Missouri contain the only exposure of the early Meso- |  | Hofstra, Albert H., Meighan, Corey J., Song, Xinyu, Samson, Iain, Marsh, Erin E., Lowers, Heather A., Emsbo, Poul, Hunt, Andrew G. (2016) Mineral Thermometry and Fluid Inclusion Studies of the Pea Ridge Iron Oxide-Apatite–Rare Earth Element Deposit, Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1985-2016 doi:10.2113/econgeo.111.8.1985 | Journal (article/letter/editorial) | | Thermometry and Fluid Inclusion Studies of the Pea Ridge Iron Oxide-Apatite–Rare Earth Element Deposit...Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA Albert H. Hofstra,1,† Corey J. Meighan,1 Xinyu...mineralized samples from the Mesoproterozoic Pea Ridge iron oxide-apatite (IOA)-rare earth element (REE)...after breccia pipe formation, and (4) show that Pea Ridge was relatively unaffected by the late Paleozoic...Mountains granite-rhyolite terrane of southeast Missouri, USA, is well known for its REE-bearing iron oxide-apatite |  | | 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...myriad minor deposits are known in the southeast Missouri iron metallogenic province, which is hosted in |  | | 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 |  | 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) | | The Pilot Knob iron ore deposits in southeast Missouri, USA: A high-to-low temperature magmatic-hydrothermal...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 |  | 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) | | Carbon Isotopes in the Pea Ridge Magnetite-Apatite Deposit, Southeast Missouri, and Sulfur Isotope Comparisons...and carbon isotopes have been analyzed in the Pea Ridge magnetite-apatite deposit, the largest historic...among the known iron deposits in the southeast Missouri portion of the 1.5 to 1.3 Ga eastern granite-rhyolite...iron deposits regionally. The δ18O values of Pea Ridge magnetite are 1.9 to 4.0‰, consistent with a model...lakes. Sulfur isotope analyses of sulfides from Pea Ridge and seven other mineral deposits in the region |  | 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...isotope data were obtained to characterize the Pea Ridge deposit, improve identification of exploration...mineralization with respect to crustal blocks. The Pea Ridge deposit is spatially associated with felsic volcanic...rhyolite has 206Pb/204Pb from 24.261 to 50.091; (2) Pea Ridge and regional galenas have 206Pb/204Pb from 16...externally sourced metal-bearing fluids. The Pea Ridge deposit was part of a single, widespread, homogeneous |  | | Journal (article/letter/editorial) | | MINERALS OF THE Pea Ridge Mine Downloaded by [Universitat Politècnica de València] at 18:24 21 October...October 2014 Washington County, Missouri LAURENCE M.NUELLE Brass Rooster Minerals P.O. Box 1770 Rolla, Missouri...Missouri 65402-1770 T he Pea Ridge magnetite deposit, Washington County, Missouri, is hosted by Precambrian...Precambrian volcanic rocks of the St. Francois terrane. Pea Ridge is a massive deposit with more than 100 million...has not been delineated. The late Jack Emery (Pea Ridge mine geologist; 1975 pets. com.) estimated that |  | | Journal (article/letter/editorial) | | magmatism and the Pea Ridge IOA-REE and Boss IOCG deposits, southeastern Missouri iron metallogenic province...province, USA Celestine N. Mercer, Kathryn E. Watts, Juliane Gross PII: DOI: Reference: S0169-1368(18)30839-4...magmatism and the Pea Ridge IOA-REE and Boss IOCG deposits, southeastern Missouri iron metallogenic province...province, USA, Ore Geology Reviews (2019), doi: https:// doi.org/10.1016/j.oregeorev.2019.103129 This...magmatism and the Pea Ridge IOA-REE and Boss IOCG deposits, southeastern Missouri iron metallogenic province |  | | Report (volume) | | Superintendent of Documents Government Printing Office Washington, D.C. 20402 (Check or money order must be payable...agents of the Superintendent of Documents: • WASHINGTON, D.C.--Main Interior Bldg., 2600 corridor, 18th...California--Customhouse, Rm. 504, 555 Battery St. • SPOKANE, Washington--U.S. Courthouse, Rm. 678, West 920 Riverside...the Precambrian metallogenic region of southeast Missouri, by Eva B. Kisvarsanyi 48 Progress toward an occurrence...ore provinces of South Australia and southeast Missouri, by Marco T. Einaudi and Naomi Oreskes 58 The |  | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...WILLIAMS 549 Aqua Ridge Drive St. Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive...comprehensive list of Missouri mineral occurrences has been published since Leonhard (1 882), updated by Wheeler...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 |  | | Journal (article/letter/editorial) | | 03755, USA CDepartment of Applied Earth Sciences, Stanford University, Stanford, CA 94305, USA (Received...Kiruna iron ore district, Sweden, and the southeast Missouri iron ore district, and a review of literature...rocks at Olympic Dam and ores of the southeast Missouri iron province, while Bell (1982) and Youles (1984)...breccias, the Kiruna district, and the southeast Missouri iron district, and on a review of literature on...1930a; Singewald and Milton, 1929; Meyer, 1939; Ridge, 1957, 1972; Geijer and ()dman, 1974; Bookstrom |  | | Journal (article/letter/editorial) | | architecture beneath the southern Midcontinent (USA) and controls on Mesoproterozoic iron-oxide mineralization...of the geologic framework beneath the southeast Missouri iron metallogenic province, we invert continental-scale...that are evident in the 3D models. The southeast Missouri metallogenic province is underlain by one such...iron metallogenic province formed in southeast Missouri (Kisvarsanyi and Proctor, 1967; Kisvarsanyi, 1976)... (ca 1.4 Ga) Illinois Indiana (c D’ Iowa M Missouri Nebraska 40° -86° Eastern Granite Rhyolite |  | | Journal (issue) | | were some of the words used to describe a lluorite mine in the San Andres Mountains of New Mexico. The author...location for a possible collectin_g ve~ture. The mine was determined to be the Bohrnstedt lluonte mme...for us to reach the mine. This was accomplished and we eventually reached the mine (which included a hike...crystals covered the mine area and it appeared that no one had visited the mine since the U. S. Army...Army had closed the area in the 1940s. The "mine" was really a prospect as it consisted of a trench cut through |  | Bickford, M.E., Van Schmus, W.R., Karlstrom, K.E., Mueller, P.A., Kamenov, G.D. (2015) Mesoproterozoic-trans-Laurentian magmatism: A synthesis of continent-wide age distributions, new SIMS U–Pb ages, zircon saturation temperatures, and Hf and Nd isotopic compositions. Precambrian Research, 265. 286-312 doi:10.1016/j.precamres.2014.11.024 | Journal (article/letter/editorial) | | continent-wide age distributions, new SIMS U–Pb ages, zircon saturation temperatures, and Hf and Nd isotopic...previously published U–Pb zircon and whole-rock Sm–Nd data, and present new U–Pb zircon age and Lu–Hf isotopic...isotopic data from selected zircon samples. Our data show that the initiation of this magmatism spans the...cores in zircons is compatible with calculated zircon saturation temperatures of ca. 850 ◦ C, and supports...continent-wide age distributions, new SIMS U–Pb ages, zircon saturation temperatures, and Hf and Nd isotopic |  | | Report (issue) | | of Documents U.S. Government Printing Office Washington, DC 20402 (Check or money order must be payable...Battery St. SPOKANE, Washington-U.S. Courthouse, Rm. 678, West 920 Riverside Ave. WASHINGTON, D.C.-U.S. Department...the following Geological Survey offices: ROLLA, Missouri-1400 Independence Rd. FAIRBANKS, Alaska-New Federal...Mineral Paragenesis of the Pea Ridge Iron Ore Mine, Washington County, Missouri-Origin of the Rare-Earth-Element-...(Upper Devonian and Lower Mississippian) in Hardin County, Southern Illinois By GEORGE A. DESBOROUGH Chapters |  | | Journal (article/letter/editorial) | | and Geology, University of Nevada, Reno, Nevada, USA Abstract Rare earth elements (REE) have been mined...when placer monazite was produced in the southeast USA. Since the 1960s, however, most North American REE...most other carbonatites. Elsewhere in the western USA, carbonatites have been proposed as possible REE...hard-rock REE deposits in the USA include small iron-REE deposits in Missouri and New York, and vein deposits...Idaho. Phosphorite and fluorite deposits in the USA also contain minor REE resources. The most recently |  | | Report (issue) | | https://geology.com/. Photograph of Mountain Pass mine by Bradley Van Gosen. Rare Earth Element Mineral...................................3 Mountain Pass mine, southeastern California, June 2018...............States discussed in this report..............6 World mine production of rare-earth oxides, by country and...production came entirely from the Mountain Pass mine in California, providing only about 4 percent of...production coming entirely from the Mountain Pass mine in southeastern California (figs. 3 and 4). In the |
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