 | | Journal (article/letter/editorial) | | carbonatitic dolomite host of the Bayan Obo Fe-Nb-REE deposit, Inner Mongolia, China', Mineralogical Magazine...compositions of rocks associated with the Bayan Obo F e - N b - R E E deposit have been reported by Le Bas et al...geochemical and isotopic signatures found at Bayan Obo are not exclusively consistent with an igneous... fluorite, Bayan Obo. Introduction THE central debate as to the origin of the Bayan Obo F e - N b -...- R E E deposit lies in the nature and origin of the host unit, referred to and mapped as the 'H8 dolomite' |  | | 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...phlogopite, accompanied by varying amounts of apatite, albite and quartz. In both fenites and orebodies...Thermodynamic analysis of the composition of biotite and apatite allows constraints to be placed on the F-content...complex, multistage nature of mineralisation at Bayan Obo, but are still consistent with a direct involvement |  | | 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...magnetite, hematite, and REE minerals associated with apatite, aegirine, amphibole, fluorite, calcite, and barite...inclusions from monazite-(Ce), bastnäsite-(Ce), apatite, aegirine, fluorite, and barite were studied from |  | | Journal (article/letter/editorial) | | processes: Constraints from the Bayan Obo Fe-REE-Nb deposit, Inner Mongolia, China. M. P. SMITH,* P. HENDERSON...composition of REE minerals from the Bayan Obo Fe-REE-Nb deposit, China, varies widely with paragenesis....formation. In early disseminated monazite and in the main stage banded ores, the chondrite normalised La/Nd...fluid. The fractionation processes inferred from Bayan Obo are relevant to many other REE-rich hydrothermal...hydrothermal conditions. The Fe-REE-Nb deposit at Bayan Obo, Inner Mongolia, China, is the world’s largest REE resource |  | Fan, Hong-Rui, Xie, Yi-Han, Wang, Kai-Yi, Tao, Ke-Jie, Wilde, Simon A. (2004) REE Daughter Minerals Trapped in Fluid Inclusions in the Giant Bayan Obo REE-Nb-Fe Deposit, Inner Mongolia, China. International Geology Review, 46 (7) 638-645 doi:10.2747/0020-6814.46.7.638 | Journal (article/letter/editorial) | | Fluid Inclusions in the Giant Bayan Obo REENb-Fe Deposit, Inner Mongolia, China a a a a Hong-Rui Fan ...Fluid Inclusions in the Giant Bayan Obo REE-Nb-Fe Deposit, Inner Mongolia, China, International Geology Review...Fluid Inclusions in the Giant Bayan Obo REE-Nb-Fe Deposit, Inner Mongolia, China HONG-RUI FAN,1 YI-HAN XIE...Academy of Sciences, P.O. Box 9825, Beijing 100029, China AND SIMON A. WILDE School of Applied Geology,...Abstract The Bayan Obo REE-Nb-Fe deposit hosts the world’s largest known REE resource. The deposit consists |  | | 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... which supply the scandium, and minerals like apatite and monazite, which supply the phosphate (Dill |  | 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) | | 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...well as some there are numerous formerly-worked apatite, mica and lead-zinc, iron and graphite mines. Good |  | | 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 |  | | 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 |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely..."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....ilmenite crystals to 7 cm in pale brown nepheline/apatite matrix were found in the nearby Vislmevye Moore...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning |  | | Report (issue) | | . . . . . . . . . . . . . . . . . Desgrosbois deposit . . . . . . . . . . . . . . . . . . . . I v ry...Valley marble quarry. . . . . . . . . . St - Remi china clay mine. . .. . Laurel diopside occurrence ............ .. . Pyroxene crystal, in calcite and apatite, Perkins Plate s I. Mills area . . . . . . . ....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 |  | | 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) | | 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...VIII. IX. X. XI. Pyroxene crystal in calcite and apatite, Val-des-Monts area Back (Wallingford) mine Phlogopite...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 |  | | Report (issue) | | 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...minerals of the pegmatite include tourmaline, beryl, apatite, amblygonite-montebrasite, lithia mica, cassiterite...the pegmatite. NaaO forms only 0.4 percent of the inner subdivision, but 4.7 to 6.5 percent of the other |  | 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...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...mine is by size the largest open-pit metal mine in Europe and the main pit measures over 3 km in length, |  | | 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 _________________________ |  | | Journal (issue) | | T A B L Buyer Beware! Alice S. Keller Marine Mining of Diamonds Off the West Coast of Southern Africa...developments in underwater mining systems have progressed to the point where mining has commenced in deep...Africa. Dr. Lwinson k professor in 206 Marine Mining of Diamonds ~ ecause the continued diamonds supply...and generally has a low probability of success, mining concerns are looking to the extraction of diamonds...economic and technological climate now permits mining of these deposits. Although the problems of recovery |  | Benavides, J., Kyser, T. K., Clark, A. H., Oates, C. J., Zamora, R., Tarnovschi, R., Castillo, B. (2007) The Mantoverde Iron Oxide-Copper-Gold District, III Region, Chile: The Role of Regionally Derived, Nonmagmatic Fluids in Chalcopyrite Mineralization. Economic Geology, 102 (3) 415-440 doi:10.2113/gsecongeo.102.3.415 | Journal (article/letter/editorial) | | 415–440 The Mantoverde Iron Oxide-Copper-Gold District, III Región, Chile: The Role of Regionally Derived...of northern Chile, the mines of the Mantoverde district exploit supergene oxide ore developed over several...geologic setting and genesis of this productive IOCG district are clarified herein through regional petrologic...the deposits of the Mantoverde district were emplaced along the main and, more commonly, subsidiary segments...higher values than pyrite. The iron oxides in the district have δ18O values that vary overall from –1.9 to |  | | 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 _______________________ |  | | Report (issue) | | 61 14. Large outcrop of schist at east corner of main pit__ _________ 68 15. Roll in pegmatite contact...country rock, but locally the pegmatite cuts it. The main part of the pegmatite is an irregularly shaped pipe...tourmaline, beryl, arnblygonite (variety montebrasite), apatite, columbite-tantalite, loellingite, altered spodumene...and Mr. Fred Heidepriem, both of Custer, S. Dak. Mining operations on the claim began in 1932 and have...to the north. The main pit extends 140 feet southeast across the southern or main part of the pegmatite |  | | 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 |
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