 | Yang, X.-M., Yang, X.-Y., Zheng, Y.-F., Le Bas, M. J. (2003) A rare earth element-rich carbonatite dyke at Bayan Obo, Inner Mongolia, North China. Mineralogy and Petrology, 78 (1) 93-110 doi:10.1007/s00710-002-0220-5 | Journal (article/letter/editorial) | | element-rich carbonatite dyke at Bayan Obo, Inner Mongolia, North China X.-M. Yang1 , X.-Y. Yang2 , Y.-F. Zheng2... University of Science and Technology of China, P.R. China 3 School of Ocean and Earth Science, University...elements (REE), is reported from Bayan Obo, Inner Mongolia, North China. The REE content in the dyke varies from...fractionated relative to the heavy REEs, and there is no Eu anomaly. Although carbon isotope 13C (PDB) values...similar to those of fine-grained dolomite marble, the ore-host rock of the Bayan Obo REE–Nb–Fe giant mineral |  | Le Bas, M. J., Kellere, J., Kejie, Tao, Wall, F., William, C. T., Peishan, Zhang (1992) Carbonatite dykes at bayan Obo, inner Mongolia, China. Mineralogy and Petrology, 46 (3) 195-228 doi:10.1007/bf01164647 | Journal (article/letter/editorial) | | Austria Carbonatite Dykes at Bayan Obo, Inner Mongolia, China M. J. Le Bas t , J. Keller 2, Tao Kejie...Institute of Geology, Academia Sinica, Beijing, China 4Department of Mineralogy, British Museum (Natural...migmatite is fenitized to a magnesio-riebeckite-albite rock. The sedimentary dolomite of the Bayan Obo...Karbonatit-G~nge yon Bayan Obo, Innere Mongolei, China Kalzit-reiche Gfinge kommen im Faltengtirtel in...diskutiert. Introduction Bayan Obo in Inner Mongolia, China (110°E, 41°45'N) is renowned for being the |  | | Journal (article/letter/editorial) | | chemistry at the Bayan Obo Fe–REE–Nb deposit, Inner Mongolia, China: Contrasting chemistry and evolution of...alteration associated with Fe–REE–Nb ore bodies at Bayan Obo, Inner Mongolia, China, show alkali silicate assemblages...phlogopite, accompanied by varying amounts of apatite, albite and quartz. In both fenites and orebodies simple...stages wide variations in chemistry occur in both the ore bodies and fenites. Much of this variation is attributable...Similarities in chemistry exist between fenite and some ore body amphiboles. Thermodynamic analysis of the composition |  | | Journal (article/letter/editorial) | | Bayan Obo iron-rare-earth-niobium deposits, Inner Mongolia, China Lawrence J. Drewa , Meng Qingrun b and Sun...an Obo Iron-rare-earth-nioblUm deposits. Inner Mongolia. China. In: A.R. Woolley and M. Ross (Editors)...the lronrare-earth-nioblUm ore bodies at Bayan Obo.Inner Mongolia. China, were studied by a team of geologists... Geological Survey between 1987 and 1989. These ore bodies were formed by hydrothermal replacement of...18-kilometer-long S) ncline. The rocks that host these ore bodies and the associated mineralized areas occur |  | | Journal (article/letter/editorial) | | compositions of carbonate minerals from Bayan Obo, Inner Mongolia, China: implications for petrogenesis Xue-Ming...University of Science and Technology of China, Hefei 230026, China b Department of Geology, University of...rare earth element (REE) – Nb – Fe ore deposit, Inner Mongolia, China are divided into four categories:...pyrochlore, and sodic amphibole. Dolomite in the main ore-bearing unit (H8f) occurs with magnetite, monazite...microprobe data show that dolomite and/or ankerite in the ore-bearing rocks (H8c and H8f) are similar to carbonatite |  | | Journal (article/letter/editorial) | | BAYAN OBO COMPLEX IRON-RARE EARTH DEPOSIT, CHINA D. O. Ontoyev a a Institute of Geology of Ore Deposits...OF THE ORIGIN OF THE BAYAN OBO COMPLEX IRON-RARE EARTH DEPOSIT, CHINA, International Geology Review,...BAYAN OBO COMPLEX IRON-RARE EARTH DEPOSIT, CHINA D. O. Ontoyev (Institute of Geology of Ore Deposits...ozhdeniy, 1990, No. 4, pp. 27-36. The geology of the Bay an Obo deposit in Mongolia and the miner alogical...and chemical composition of various types of its complex ores are described briefly and the four genetic |  | | Journal (article/letter/editorial) | | Ore Geology Reviews 126 (2020) 103737 Contents lists available at ScienceDirect Ore Geology Reviews...earth elements in the Bayan Obo deposit, Northern China T Xiao-zhi Houa, , Zhan-feng Yangb,c, Zhen-jiang...Research Institute, Inner Mongolia University of Science and Technology, Baotou 014010, China Rare Earth Research...Obo, Baotou 014000, China c Baotou Rare Earth Research Institute, Baotou 014000, China b ARTICLE INFO ...M−HREE in different types of iron ore in the Bayan Obo main ore body are studied by using field emission |  | Le Bas, M. J., Xueming, Y., Taylor, R. N., Spiro, B., Milton, J. A., Peishan, Z. (2007) New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China. Mineralogy and Petrology, 90 (3) 223-248 doi:10.1007/s00710-006-0177-x | Journal (article/letter/editorial) | | of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China M. J. Le Bas1; , Y. Xueming2...Geology, Chinese Academy of Sciences, Beijing, China 2 Received March 23, 2006; accepted October 2,...dykes and the neighbouring massive dolomite (H8) body have similar geochemical characteristics, interpreted...quartzites marginal to both dykes and H8 dolomite body, and the presence of xenoliths in the latter, supports...data confirm a mantle-derived origin for the H8 body. The oxygen isotope composition of the dolomite |  | Yang, X.-M., Yang, X.-Y., Zhang, P.-S., Le Bas, M. J. (2000) Ba-REE fluorcarbonate minerals froma carbonatite dyke at Bayan Obo,Inner Mongolia, North China. Mineralogy and Petrology, 70 (3) 221-234 doi:10.1007/s007100070004 | Journal (article/letter/editorial) | | from a carbonatite dyke at Bayan Obo, Inner Mongolia, North China X.-M. Yang1 , X.-Y. Yang1 , P.-S. Zhang2...Technology of China, P.R. China 2 Institute of Geology, The Chinese Academy of Sciences, P.R. China 3 Department...in a carbonatite dyke at Bayan Obo, Inner Mongolia, North China, of the Ba-REE ¯uorocarbonate minerals...dolomite marble that hosts the giant REE-Nb-Fe ore body at Bayan Obo, providing evidence that the two...Karbonatitgang bei Bayan Obo, Innere Mongolei, Nord-China Die Ba-SEE Fluorkarbonate Cebait, Huangoit und Cordylit |  | Chao, E.C., Tatsumoto, Mitsunobu, Erickson, R.L., Minkin, J.A., Back, J.M., Buden, R.V., Okita, P.M., Zonglin, Hou, Qingrun, Meng, Yingchen, Ren, Weijun, Sun, McKee, E.H., Turrin, B.D., Junwen, Wang, Xibin, Li, Edwards, C.A. (1990) Origin and ages of mineralization of Bayan Obo, the world's largest rare earth ore deposit, Inner Mongolia, China. Open-File Report Vol. 1990 (90-538) US Geological Survey doi:10.3133/ofr90538 | Report (issue) | | Obo, the World's Largest Rare Earth Ore Deposit, Inner Mongolia, China by E.C.T. Chao 1 , Mitsunobu Tatsumoto2...U.S. Government. HlSGS Reston, VA 2USGS Denver, CO 3 Present address, Idaho National Engineering Laboratories...Herndon, VA 5Tianjin Geological Research Academy, China 6USGS Menlo Park, CA CONTENTS Abstract Introduction...OBO, THE WORLD'S LARGEST RARE EARTH ORE DEPOSIT, INNER MONGOLIA, CHINA EDWARD C.T. CHAO, MITSUNOBU TATSUMOTO...the world's largest known rareearth-element (REE) ore deposit, has been a subject of geologic interest |  | | Book (volume) | | or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the...number of mineral species presented in this library is no more than 400. The identity of samples was verified...bonds or groups of atoms forming covalent bonds – complex anions (e.g. CO32, C2O42, SO42, PO43, SiO44...vibrations of most important coordination polyhedra and complex anionic groups are listed by Miller and Wilkins...zirconoand titanosilicates characterized by very complex and variable crystal-chemical features (Johnsen |  | | Journal (article/letter/editorial) | | Research, Okayama University, Misasa, Tottori Prefecture, Japan 682-02 Abstract. Oxygen and carbon isotope...ranges of 613C values, indicating that there was no homogeneous reservoir of carbon at the time the calcite... Carbon isotopic compositions of calcite within ore deposits in the " G r e e n T u f f " formations...the same district, suggesting that the carbon in ore calcites was likely supplied from the surrounding...These propylitized rocks occur close to hydrothermal ore deposits and intrusive rocks, but also are found |  | | Report (issue) | | ..................... ·................... . Intrusion ........ . l •••••••• •••••••••• .' •••••••••............................................ . The ore bodies ................... : ......................the Savannah Copper Co ............................................ . Tenor of the ore ....................................... . Prospects for additional ore bodies .................................... : . ...Quaternary gravel faulted against rhyolite along the east side of Mangas Valley .......... .' ........... |  | | Report (chapter) | | oxide–Cu– Au (IOCG) deposits encompass a range of ore body shapes, including strata-bound replacement ores...and fluid pressure may explain the variation in ore body types and total Cu–Au resource between the two...G. & Sorjonen-Ward, P. (eds) Characterization of Ore-Forming Systems from Geological, Geochemical and...reveals some similar structural settings for IOCGstyle ore bodies. These settings include hydrothermal breccias...metasomatism that enhance existing ores and generate new ore bodies (Oliver et al. 2008; Billström et al. 2010; |  | | Report (issue) | | Geology and Mineral Deposits of the Jefferson City Quadrangl...1922Geology and mineral deposits of the Jefferson City quadrangl~, ·Jefferson and Lewis and Clark Counties...1922Geology and minerai deposits of the Jefferson City quadrangle, J e:fferson and Lewis and Cl ark Counties...(Card 2) 1 1. 'Geology-Montana-.Jefferson City quadrangle. 2. Ore-depositsMontana-Jefferson C:ity quadrangle...3. Mines and mineral resources-Montana-Jefferson City quadrangle. I. Pinckney, Darrell Mayne, 1925- joint |  | | Book (volume) | | Mining, Metallurgical, V.2 and Petroleum Engineers Ore deposits of the United States, 1933-1967 SS Inst...llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits -1967 United oer, States, sin 1933...200 MAR 2 ¥ 2001 | NEVADA STATE LIBRARY CARSON CITY, NEVADA Digitized by the Internet Archive in 2022...https://archive.org/details/oredepositsofuniO002john Ore Deposits of the United States, 1933-1967 The Graton-Sales...PRACTICE THE PORPHYRY COPPERS (1930) (1933) ORE DEPOSITS OF THE WESTERN STATES (1933) AIME TRANSACTIONS |  | | Conference Proceedings (Volume) | | The production in 2012 was 34,3 million tonnes of ore containing 67 100 tonnes of copper, 51 700 tonnes...characteristics and genesis of the Caijiaying Zn-Au deposit, China .................................................Gränsgruvan Zn-Pb-Ag deposit, an outsider in the Stollberg ore field, Bergslagen, Sweden ........................The Nihe iron deposit, Anhui Province, eastern China: skarn, IOCG or porphyritic iron deposit? Lejun...roll front-type uranium deposit, Erlian Basin, NE China. . . ......................................... |  | | Journal (article/letter/editorial) | | low gold grade (0.4 g/ t). Biotite-sericite-pyrite ore bodies such as those at Kanowna Belle (140 t Au)...control gold quartz-vein ore at Kalgoorlie (2651 ± 9 Ma), and Au-Ag breccia ore at Black Flag (<2648 ±...splay (>1200 t Au) of the Tan-Lu Fault in the North China Craton, however, indicate a close spatial and temporal...(Perriam 1985; Mueller and Harris 1987). Recently, a complex history has been proposed involving two phases...association with biotite-sericitepyrite ± anhydrite gold ore bodies (e.g. Bath et al. 2013). These data are combined |  | | Report (issue) | | McKelvey, Director Library of Congress Catalog-card No. 74-600023 For sale by the Superintendent of Documents...Canyon.................. Geometry of the intrusive body···-····---·-···-········ Lithology and chemistry................................. Age of intrusive body ··-·-······-·······-······--·-············ Depth... Investigations of specific sulfides from the ore body...... Chalcopyrite etch tests...................Paragenesis o~ minerals in the east ore body.................. 39 Chemistry of the ore and wallrock.......... |  | | Report (volume) | | Yellow Pine shear zone......................... Ore bodies.............................................known ore bodies................. Reserves............................................... West ore body...early stages but decreased considerably while the ore minerals were being introduced. The principal mine...one on each side of the East Pork of the South Pork of the Salmon River. The ore in the eastern quarry...referred to as the East ore body, that in the western quarry as the West ore body, though the two may |  | Bilenker, Laura D., Simon, Adam C., Reich, Martin, Lundstrom, Craig C., Gajos, Norbert, Bindeman, Ilya, Barra, Fernando, Munizaga, Rodrigo (2016) Fe–O stable isotope pairs elucidate a high-temperature origin of Chilean iron oxide-apatite deposits. Geochimica et Cosmochimica Acta, 177. 94-104 doi:10.1016/j.gca.2016.01.009 | Journal (article/letter/editorial) | | January 2016 Abstract Iron oxide–apatite (IOA) ore deposits occur globally and can host millions to...isotope data from magmatic magnetite of the Bushveld Complex, South Africa, where d56Fe ranges from 0.28 ± 0...Chile (25–31°S) hosts numerous Mesozoic Fe-rich ore deposits, many of which are characterized as iron...diorite, andesite; Pincheira et al., 1990). The ore bodies measure approximately 1500 m long, 150 m...the southern portion of the AFS. The West and East ore bodies contain 63% and 55% total Fe, respectively |  | | Book | | Copyright © 1976 John Drew Ridge All Rights Reserved. No part of this publication may be reproduced, stored...75-34663 Printed in Great Britain by A. Wheaton & Co., Exeter 0 08 020459 7 (Hard Case) ABSTRACT These...of ore deposits; they certainly will not do all his work for him. I have tried to include all ore districts...material is available in print to permit a student of ore deposits to obtain a real understanding of any one...have added some remarks on the classification of ore deposits and on my modification of the Lindgren classification |  | Mueller, Andreas G., McNaughton, Neal J., Muhling, Janet R. (2021) Albite ± Actinolite-Altered Porphyry Dykes in Archean Gold Deposits of the Boulder Lefroy-Golden Mile Fault System, Yilgarn Craton, Western Australia: Petrography, Chronology, and Comparison to Canadian Albitites. Minerals, 11 (11) 1288 doi:10.3390/min11111288 | Journal (article/letter/editorial) | | minerals Article Albite ± Actinolite-Altered Porphyry Dykes in Archean Gold Deposits of the Boulder...Mueller, A.G.; McNaughton, N.J.; Muhling, J.R. Albite ± ActinoliteAltered Porphyry Dykes in Archean Gold...monzodiorite-tonalite intrusions in the strike-slip fault system. Ore-grade biotite-carbonate and late sericite-carbonate-alkali...of the felsic boudinaged dyke contrasts with the albite-actinolite alteration in the adjacent mafic (high...mined as gold ore (1–6 g/t Au) at +300–350 m. Temperature estimates based on actinolite-albite pairs (300–350 |  | | Report (volume) | | most recent annual "Price and Availability List" are no longer available. Prices of reports released to the...Book and Open-File Report Sales, Box. 25425, Denver, CO 80225. Order U.S. Geological Survey publications...Book and Open-File Report Sales Box 25425 Denver, CO 80225 Subscriptions to periodicals (Earthquakes...Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State St...S. Geological Survey, Map Sales Box 25286 Denver, CO 80225 Residents of Alaska may order maps from U |  | | Report (volume) | | OTIS SMITH, Director Bulletin 723 GEOLOGY AND ORE DEPOSITS OF THE MANHATTAN DISTRICT NEVADA BY HENRY...____ 108 Relation of ore deposition to faulting____ __ '._______ 112 Age of ore deposition _ ________...Golden Crater mine___________________________ Union No. 9 mine_________ __________________ Stray Dog mine...Amalgamated mine________'. ______________ 153 Union No. 4 mine____________________________ 154 April Fool...beds_ _ 70 IX. A, Big Pine glory hole; B, Typical ore of the schist mines____ 86 X. Geologic map of th'e |
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