 | | Journal (article/letter/editorial) | | , Amsterdam The Bayan Obo iron-rare-earth-niobium deposits, Inner Mongolia, China Lawrence J. Drewa...W., 1990. The Ba) an Obo Iron-rare-earth-nioblUm deposits. Inner Mongolia. China. In: A.R. Woolley and...lronrare-earth-nioblUm ore bodies at Bayan Obo.Inner Mongolia. China, were studied by a team of geologists...Introduction The Bayan Obo iron-rare-earth-niobium ore bodies. which are located in Inner Mongolia. China. at latitude... More than 20 open pits have been worked since mining began in 1957. The reported total reserves are |  | | Journal (article/letter/editorial) | | silicate chemistry at the Bayan Obo Fe–REE–Nb deposit, Inner Mongolia, China: Contrasting chemistry and...associated with Fe–REE–Nb ore bodies at Bayan Obo, Inner Mongolia, China, show alkali silicate assemblages... Thermodynamic analysis of the composition of biotite and apatite allows constraints to be placed on...8 to −3.6 at 300 °C and 1 kbar). Amphibole and biotite associated with niobate mineralization are both...fluorine relative to the rest of the paragenesis, and biotite compositions indicate significantly higher HF activities |  | | Journal (article/letter/editorial) | | on Fluid Evolution in the Bayan Obo Fe-REE-Nb Deposit, Inner Mongolia, China M. P. SMITH†,* AND P. HENDERSON...United Kingdom Abstract The Bayan Obo Fe-REE-Nb deposit, Inner Mongolia, China, is the world’s largest REE...and is also exploited as a major Fe oxide deposit. The deposit consists of replacement bodies hosted in...kbar. Fluids in apatite and bastnäsite from the main-stage banded ores were initially aqueous, with salinities...to those at Bayan Obo. Introduction THE BAYAN OBO Fe-REE-Nb deposit, Inner Mongolia, China, is the world’s |  | | Journal (article/letter/editorial) | | In many scandium deposits, clinopyroxene is the main ore mineral, although in some deposits scandium...other REEs. As is the case for these other REEs, the main source of scandium is the mantle and the conveyors...carbonatites), including Alaskantype ultramafic rocks. The main magmatic processes involved in scandium concentration...referred to as Landsverk 3, in the Iveland-Evje district north of Kristiansand in Norway. The mineral was...ilmenorutile. For example, in the Iveland-Evje district (Norway), the scandium content of ilmenite in |  | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | total rare earth oxide, but the importance of a deposit may be related to the grade for individual, or...total REE resource, only one currently known deposit (Bayan Obo) would class as giant (>1.7×107 tonnes contained...unclassified resource estimates from the Olympic Dam IOCG deposit, all of these deposits M AN U are related to...of some of the largest deposits AC C (e.g. Bayan Obo). Hydrothermal activity involving fluids from...Rare earth elements; Carbonatite; Syenite; Giant deposit; Grade 1. Introduction The rare earth elements |  | | Report (issue) | | GOVERNING BOARD Sidney A. Johnson, Chair Baker City Ronald K. Culbertson Myrtle Creek Donald A. Haagensen...tion ; Eagle-Picher Minerals, Inc.; the Northwest Mining Association; and the Society of Economic Geologists...increased cosL~ rather than product quality o r deposit reserves. Several other commoditie~ have the potential...Calcite Company has acquired the Jones marble deposit near Williams in Josephine County and is producing... but it is mined on a large scale only near the city of Bend in Deschutes County. Cascade Pumice and |  | | Report (issue) | | compilation of descriptive geoenvironmental mineral deposit models Edward A. du Bray1 , Editor Open-File...classification schemes have evolved into mineral deposit models that classify deposits not only on the basis... 1986; Bliss, 1992). These conceptual mineral deposit models form the basis for most modem mineral exploration...characteristics. A next step in the process of mineral deposit modeling is development of geology-based, geoenvironmental...geoenvironmental models for diverse mineral deposit types. Mineral deposit geology, as well as geochemical and |  | | Conference Proceedings (Volume) | | Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings VOLUME...Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings Volume...volume: Jonsson, E. et al. (ed.), 2013: Mineral deposit research for a high-tech world. Proceedings of...Metallogeny of the Fennoscandian Shield. Mineral deposit research for a high-tech world. Proceedings of...photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started in 1968 |  | | Report (issue) | | Canada 601 Booth Street Ottawa, Canada K1A 0E8 A deposit copy of this publication is also available for...Lac-a-Baude allanite occurrence ‘Red Mill ochre deposit St-Marc-des-Carrieres quarries Tetreault mine...Granite Ile d'Alma quarry St-Charles titanium deposit Lac a la Mere (a la Mine) mica mine Péribonka...hill-side, Maisonneuve St-Michel-des-Saints mine, Pit at Bignell mine, St-Urbain Spherulitic calcite growths...-——— 2o ‘Ss €9° as ‘ ‘ | . Dee. or a a Mee Main routes. Sections 1 and 2 |. Principal side trios |  | | Book | | Survey of Finland, Kuopio, Finland E. Hanski Oulu Mining School, Oulu, Finland A. Hartikainen Geological...Silver Oy, Vuokatti, Finland K. Luolavirta Oulu Mining School, Oulu, Finland J. Luukas Geological Survey...Survey of Finland, Kuopio, Finland M. Moilanen Oulu Mining School, Oulu, Finland F. Molnár Geological Survey...University of St. Andrews, UK J.-P. Ranta Oulu Mining School, Oulu, Finland xxiii xxiv Contributors...Siikaluoma AngloAmerican Exploration, AA Sakatti Mining Oy, Sodankylä, Finland P.B. Sorjonen-Ward Geological |  | | Report (issue) | | Geologic 62 Series Geology oftheAndover Mining District, Sussex County, New Jersey" by P. K. Sims and...]_'REDERICK FRANCIS COPE Elizal}efil .-\tlal]lic City ................................. C. Cox'J-:L[x...more than a mile, ore deposits of the Andover district were presence of zinc, lead and copper sulfides... and the known extension of the ore made this district an attractive one for prospecting. For that reason.............. Biotite-pIagioclase gneiss ......................................... Biotite-quartz-plagioclase |  | | Report (issue) | | _______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________... 1)_________________________ Tinton spodumene deposit.______________________ Tip Top Lode claim by J...pegmatites, Hill City, Pennington County, South Dakota. Projections of Mateen pegmatites, Hill City, Pennington...South Dakota. Geologic map, plan, and sections, main spodumene zone, Giant-Volney pegmatite, Lawrence...LINCOLN R. PAGE AND OTHERS ABSTRACT In the Tinton district, Tertiary monzonite, lamprophyre, and The pegmatites |  | | Report (issue) | | NUMBER 62 Feldspar Deposits of The Bryson City District, forth Carolina BY EUGENE N. CAMERON PREPARED...NUMBER 62 Feldspar Deposits of the Bryson City District, North Carolina By N. CAMERON EUGENE PREPARED...Bulletin 62, "Feldspar Deposits of the Bryson City District, North Carolina." This Bulletin is another in...report is the first detailed study of a feldspar district in North Carolina. It is believed that the information...Acknowledgments History of Mining General description of the Bryson City district Location and general information |  | Wanhainen, Christina, Nigatu, Wondowossen, Selby, David, McLeod, Claire, Nordin, Roger, Bolin, Nils-Johan (2014) The Distribution, Character, and Rhenium Content of Molybdenite in the Aitik Cu-Au-Ag-(Mo) Deposit and Its Southern Extension in the Northern Norrbotten Ore District, Northern Sweden. Minerals, 4 (4) 788-814 doi:10.3390/min4040788 | Journal (article/letter/editorial) | | Cu-Au-Ag-(Mo) Deposit and Its Southern Extension in the Northern Norrbotten Ore District, Northern Sweden...December 2014 Abstract: Molybdenite in the Aitik deposit and its southern extension was studied through...schists, the quartz-monzodiorite, and the Salmijärvi biotite-amphibole gneiss, the latter containing mostly...amounts of Mg-bearing clay-micas. Keywords: Aitik deposit; northern Sweden; molybdenite; rhenium; QEMSCAN;...Introduction The Aitik porphyry Cu-Au-Ag-(Mo) deposit is located 60 km north of the Arctic Circle at |  | | Report (issue) | | pegmatite mining inN ew England _______ _ Mica mining ______________________________ _ Feldspar mining ___...___________________________ _ Mining methods ___________________________ _ Geologic setting of the deposits...of Connecticut ___ _ Geology of the Middletown district ___________ _ Rock units ____________________________...prospecting and mining _______________________ _ Recognition of the type of deposit ____________ _ Recognition...Description of the pegmatites _______ Extent of the main pegmatite underground _________________________ |  | | Book | | Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Cu-Mo-Au Deposit, Utah Geology and Exploration Progress at the Resolution Porphyry Cu-Mo Deposit, Arizona...Evolution of the Giant Pebble Porphyry Cu-Au-Mo Deposit with Implications for Exploration in Southwest...of the Oyu Tolgoi Porphyry Cu-Au-Mo Deposits, Mongolia v 10 11 12 13 Copper-Gold ± Molybdenum Deposits |  | | Book | | Publication Data Main entry under title: Mineral Deposits of Canada: A Synthesis of Major Deposit-types, District...Deposits of Canada A Synthesis of Major Deposit-Types, .District Metallogeny, the Evolution of Geological...Introduction and Mining History Mineral Deposits of Canada: A Synthesis of Major Deposit-Types, District Metallogeny...Geological Contexts of Canada's Major Mineral Deposit Types John W Lydon . . . . . . . . . . . . . .... . . . . . . . . . . . 3 Synthesis of Major Deposit-Types Greenstone-Hosted Quartz-Carbonate Vein Deposits |  | | Report (issue) | | PAPER 229 and prospects examz"ned in each district, some z"llustrated by maps .and structure sections..._________________________________ _ History of mining __________________________________ _ Geologic features...Mineralogy of mica and beryL ______________________ .:. Mining, preparation, and uses of mica and beryL _____...______________________ _ Latah County (A von mica district) ______________ _ Location and accessibility ___________________...______ _ Conditions affecting pro-specting and mining ___ _ Avon Mica Co. mine _______________________ |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...vein-dike consists of ilmenite. magnetite, anatase, biotite, microcline and minor fluorapatite (Robinson and..."jacupirangite" found in the Jacupiranga carbonatite deposit is ilmenite, in lustrous, flattened crystals to...ASIA PAKISTAN FORMER SOVIBT UNION RUSSIA Dodo deposit near Saranpaul, Subpolar Urals, Tyumen Oblast....of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning |  | | Report (issue) | | muscovite, chlorite (ripidolite), quartz, and biotite. B, Schist in which staurolite has been completely...completely replaced by muscovite, quartz, and biotite. C and D, Tourmalinized schist. E, Pseudomorph of a staurolite...crystal______Facing 2. Peerless pegmatite. A, The main axis of Peerless pegmatite. B, Layers in the wall...border and wall zones, northeastern part of main open pit, Peerless pegmatite._________ 5. Mineralogy...NE. and SW. Dikelike apophyses extending from the main pegmatite have several attitudes. The Peerless is |  | | Report (issue) | | 3303-33rd Street N.W., Calgary, Alberta T2L 2A7 A deposit copy of this publication is also available for...Desgrosbois deposit Ivry Mine St-Donat quarry Rockway Valley marble quarry St-Remi china clay mine Laurel...quarry Foliated graphite, Castor Lake mine St-Remi china clay quarry Quartz-crystal bracelet Frontispiece...Formerly, this was an important mica/apatite mining district. (GSC 138748) Abstract Occurrences of rocks...is the du Lievre River valley where the intense mining activity that began nearly a century ago has left |  | | Report (issue) | | . . . . . . . . . . . . . . . . . Desgrosbois deposit . . . . . . . . . . . . . . . . . . . . I v ry...Valley marble quarry. . . . . . . . . . St - Remi china clay mine. . .. . Laurel diopside occurrence .....graphite , Castor Lake mine ...... . .... . St-RP,mi china clay quarry .... . . . . . . . . . . .. .. ... X...ly, t his was an important m i ca/apa tit e mining district . GSC No. 138 74 8 . - vii - ABSTRACT Occurrences...is the du Li~vre River valley where the intense mining activity that began nearly a century ago has left |  | | Report (issue) | | Southeastern Piedmont Part 9. Thomaston-Barnesville District, Georgia Part 10. Outlying Deposits in Georgia...Southeastern Piedmont Part 9. Thomaston-Barnesville District, Georgia Part 10. Outlying Deposits in Georgia...(Paper) CONTENTS Part 9. Thomaston-Barnesville district, Ga_ ----------Abstract____ ______ _____________________________...and mining methods _ ________ Production __ _ ____________________________ Future of the district __ _...343 345 346 346 Part 9. Thomaston-Barnesville district— Continued Descriptions of deposits— Continued |  | | Report (issue) | | .. . . . . . ... . . .. . 14 Character of the Deposit.... . .. . . . . . .. . . . . . . . . .. . . .... . . . . . . . . . . . . . . . . . .. . . . 14 Mining.... . . . ... . . .. . . . . .. . . . .. . . ....... . . ... . . . . . . . . . .. . . . . . 26 Biotite..... . ... . . . . .. . . . .. . . .... . . . ...soda plagioclase. Common accessory minerals are biotite, muscovite, hornblende, pyroxene, and tourmaline...corundum ranges commonly carry muscovite, corundum, biotite, and magnetite as important accessories. Allanite |  | Radtke, Arthur S., Heropoulos, Chris, Fabbi, Brent P., Scheiner, Bernard J., Essington, Mel (1972) Data on major and minor elements in host rocks and ores, Carlin Gold Deposit, Nevada. Economic Geology, 67 (7) 975-978 doi:10.2113/gsecongeo.67.7.975 | Journal (article/letter/editorial) | | UNIVERSITY OF UTAH, SALTLAKE CITY, UTAH 84112, •tpril 2, May 17,1972 of biotite with coppercontentand the...and Nackowski,M.P., 1963,Copperlead and. zinc in biotite from Basin and Range quartz monzonites:. EcoN....MINOR AND ORES, C/IRL[N 975 ELEMENTS IN GOLD DEPOSIT, HOST ROCKS NEF'./IDzt* The purpose of this...amounts of carbonate from the ments in the Carlin deposit,includingthe correla- limestonehostrock. The primary...theseorebodies are currently exposed in theWe•t, Main, and East Pit areas of the mine. Although detailedinformationon |
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