 | | 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...complex, multistage nature of mineralisation at Bayan Obo, but are still consistent with a direct involvement...Fenite; Bayan Obo; Fluid chemistry 1. Introduction The Fe–REE–Nb deposit at Bayan Obo, Inner Mongolia, China... 1997). Much interest has been focused on the deposit because of its extraordinary metal concentrations |  | | 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...associated with apatite, aegirine, amphibole, fluorite, calcite, and barite. Fluid inclusions from monazite-(Ce)...kbar. Fluids in apatite and bastnäsite from the main-stage banded ores were initially aqueous, with salinities |  | 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) | | 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 |  | | 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...relining Micu Nepheline 'yenile 011\IIIC Opt1cal calcite X X X X X X X X X X X X X X X X X X X X X X...Douglas Count y. Campman Calcite Company has acquired the Jones marble deposit near Williams in Josephine |  | | 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...Westport Road McLaren phosphate mine Long Lake blue calcite occurrence Long Lake zinc mine Gabbro quarry Road-cut...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...Plates Mont St-Hilaire quarry Cavity lined with calcite crystals in Black River limestone, Highway 38 road-cut |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...excellent loose ilmenite crystal clusters from a calcite vein-dike digging site which they called the Bentley...finest ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near...ilmenite crystals are found embedded in massive calcite. or, rarely, still attached to the feldspar/mica...showing sharp black crystals to 4 cm in pinkish calcite were collected in 2005 and marketed at the Tucson |  | | 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 | | case of the island of Laven in the Langesundfjord District of Norway. Interestingly, and in contrast to its...as did Robert P. Wares, Vice-President of Osisko Mining Inc. in charge of Exploration and Resource Development...Richelieu John Lewis Guillemard. River, one of the main Photo courtesy of The thoroughfares at the time...1998). The 1954 opening of the Poudrette gravel pit and quarry and, in 1961, the Uni-Mix quarry on the...place at Oka. Unlike at Oka, where a significant deposit of niobium was discovered, nothing of economic |  | | 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 |  | | 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) | | 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...53 58 69 VIII. IX. X. XI. Pyroxene crystal in calcite and apatite, Val-des-Monts area Back (Wallingford)...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 |  | | Journal (article/letter/editorial) | | Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801...Carlin-type gold occurrence in the Huijiabao trend, China. The results of fluid inclusion petrography, QMS...from the Goldstrike property, Turquoise Ridge deposit, and metamorphic quartz of the Getchell trend plot...to distinguish different generations of quartz in mining districts with complex origins. 1. Introduction...types of mineralization (Hofstra and Cline, 2000). Mining districts in north-central Nevada can contain base |  | | Journal (issue) | | fumaroles or openings and outlets in a volcanic district. As the first visitors at this California Hecla...particularly abundant under the overhanging rock in the main creek about 70 meters south of D evil’s Pulpit,...(1946) Quicksilver deposits of the western Mayacmas district, Sonoma County, California. California Journal...Spectacular Rhodochrosites Call and ask about recent mining discoveries AND OTHER MINERALS from Dave Wilber...Send for our latest video now! * $7.50 [= $5 tape deposit, refunded if tape is returned, + $2.50 postage] |  | | 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...gneiss, wall of main map of Sulphur mines, 2.50 feet mine, Sussex west pit, Andover Hill H,ill |  | | Journal (issue) | | last eight years documenting and researching a deposit that I have named the Carver agate field. This... Major Specimen Localities This fine twinned calcite on matrix is a good example of what was mined at... Tennessee, where superb fluorite, barite and calcite specimens have been mined, are part of this sedimentary...much is happening in that area now. The Elmwood deposit was first mined for lead and zinc. When the mine...galena, sphalerite and barite, as well as marvelous calcite and superb gemmy fluorite crystals. Some of the |  | | Book (volume) | | province 2.3 A network of civilization developed 2.4 Mining built the province 2.5 The little guy is still...islands, composed of lighter rocks, floating on an inner mass of heavier ones, far below the surface and...gradually, in the form of upthrusting or erosion. The main agents in erosion are water, ice, wind and chemical...and Vancouver Island, and the inner Coastal Ranges that back onto the city of Vancouver, and run up the...voids). These gaps may later be filled with agate, calcite or zeolite minerals, to become amygdaloidal lavas |  | 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...restricted to the ensuing stage III, hosted by calcite veins and, particularly, specular hematite-dominated |  | | Report (issue) | | Geology of the Carlin Gold Deposit, Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1267 /Ju l/ /Ea...0;.:?04N .. 041).- Geology of the Carlin Gold Deposit, Nevada By ARTHUR S. RADTKE U.S. GEOLOGICAL SURVEY...Radtke, Arthur S., 1936— Geology of the Carlin gold deposit, Nevada. (Geological Survey professional paper...� 5 Previous work � 6 History of the Lynn mining district � 7 Geology � 8 Sedimentary rocks � 8 Paleozoic...Basin-and-range faults � 37 General features of the Carlin deposit � 37 Type and classification � 37 Stratigraphic |
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