 | Miyawaki, Ritsuro, Shimazaki, Hidehiko, Shigeoka, Masako, Yokoyama, Kazumi, Matsubara, Satoshi, Yurimoto, Hisayoshi (2011) Yangzhumingite, KMg2.5Si4O10F2, a new mineral in the mica group from Bayan Obo, Inner Mongolia, China. European Journal of Mineralogy, 23 (3) 467-473 doi:10.1127/0935-1221/2011/0023-2098 | Journal (article/letter/editorial) | | new mineral in the mica group from Bayan Obo, Inner Mongolia, China RITSURO MIYAWAKI1,*, HIDEHIKO SHIMAZAKI1...metamorphosed carbonate rock from Bayan Obo, Inner Mongolia, China. It is associated with dolomite, calcite...montdorite. Key-words: yangzhumingite, new mineral, Bayan Obo, mica group, tetrasilicic, lithium, fluorine....metamorphosed carbonate rock from Bayan Obo, Inner Mongolia, China. The metamorphosed carbonate rock...recognition of his contributions to the mineralogy of Bayan Obo. The type material is housed in the National Museum |  | | Journal (article/letter/editorial) | | carbonatitic dolomite host of the Bayan Obo Fe-Nb-REE deposit, Inner Mongolia, N China M. J. LE BAS* Geology Department...LE1 7RH, UK Abstract The large Fe-Nb-REE deposit at Bayan Obo is hosted by a dolomite marble within the...marbles, quartzites and slates that belongs to the Bayan Obo Formation of mid-Proterozoic age. The dolomite...the sedimentary limestones and dolomites of the Bayan Obo Formation, which occur in the thrust stack together...KEYWORDS:carbonatite, dolomite, limestone, marble, Bayan Obo, oxygen isotopes, carbon isotopes, strontium isotopes |  | Liu, Shang, Fan, Hong-Rui, Yang, Kui-Feng, Hu, Fang-Fang, Rusk, Brian, Liu, Xuan, Li, Xiao-Chun, Yang, Zhan-Feng, Wang, Qi-Wei, Wang, Kai-Yi (2018) Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: Implication for REE mineralization. Ore Geology Reviews, 94. 290-309 doi:10.1016/j.oregeorev.2018.02.006 | Journal (article/letter/editorial) | | Manuscript Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization Shang...K-Y. Wang, Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization,...ge |1 1 2 Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: implication for REE mineralization ... Chinese Academy of Sciences, Beijing 100029, China b College of Earth Science, University of Chinese...100049, China c Institutions of Earth Science, Chinese Academy of Sciences, Beijing 100029, China d Department |  | | Report (issue) | | 158(18)° Z=2 X-Ray Diffraction Pattern: Bayan Obo, Inner Mongolia, China. 3.37 (100), 3.12 (90), 2.89 (83)...23.64 6.96 [0.53] 2.93 100.20 (1) Bayan Obo, Inner Mongolia, China; average electron microprobe analysis...carbonate rocks associated with a large REE-Fe-Nb deposit. Association: Phlogopite, yangzhumingite, bastnasite-(Ce)...fluorapatite, richterite-arfvedsonite. Distribution: In the South ore body, East Mine, Bayan Obo, Inner Mongolia...Mongolia, China. Name: The suffix, fluoro, identifies the essential F in a phase related to kinoshitalite |  | | Report (issue) | | 03(5)° Z = 2 X-Ray Diffraction Pattern: Bayan Obo, Inner Mongolia, China. 2.62 (100), 3.35 (82), 10.0 (73)...95 0.50 7.12 [0.61] 3.00 99.55 (1) Bayan Obo, Inner Mongolia, China; average electron microprobe analysis...a large REE-Fe-Nb deposit. Association: Fluorbritholite-(Ce), norbergite, richterite, serpentine. Distribution:...Distribution: In the South ore body, East Mine, Bayan Obo, Inner Mongolia, China. Name: The prefix, fluoro, identifies...Geophysics, Chinese Academy of Sciences, Beijing, China (KDX015). References: (1) Miyawaki, R., H. Shimazaki |  | | Journal (article/letter/editorial) | | comparitive study between the Gardar province and the East African Rift valley, 543 Agpaitic rocks, an overview...Alkali-deficient tourmaline, from the Sullivan Pb-ZnAg deposit, British Columbia, 853 Alkaline, sodic suites (Western...Alteration/weathering, of ilmenite from the Chavara deposit, lndia: a critical evaluation, 233 Altered natrocarbonatite...A~rror~,n, P., 423 Apatite, from the Gardiner Complex, East Greenland - - rare earth chemistry, 197 Aplite,...Precambrian age from southern Israel, 111 Apollo mine, Siegerland, Germany, a case study of mineral reactions |  | Nedosekova, Irina, Vladykin, Nikolay, Udoratina, Oksana, Belyatsky, Boris (2021) Ore and Geochemical Specialization and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element, RbâSr, and SmâNd Isotope Data. Minerals, 11 (7) 711 doi:10.3390/min11070711 | Journal (article/letter/editorial) | | with carbonatites: Mountain Pass (USA) and Bayun-Obo (China) provide more than half of the world production...Maymecha-Kotuiskaya, Udzhinskaya, East Sayan, Sette-Daban, and East Aldan (at the edges of the Siberian...Tomtor deposit (Yakutia); large NbâP deposits in Eastern SiberiaâWhite Winter, Middle Winter (East Sayan...Sayan province); the NbâREE Chuktukonskoe deposit (Chadobetsky Uplift); the NbâTaâP Neske-Vaara (Kola region)...Maoniuping (Qinling and Mianning-Dechang orogenic belts, China [11,17â19]). In the Russian territory, such complexes |  | | Journal (article/letter/editorial) | | examples as Mountain Pass, California, and Bayan Obo, Inner Mon golia), describes their geologic setting...rare earth concentrates; the ores at the Bayan Obo deposit (China) produce only magnetite and bastnaesite...recent decades in the USSR and abroad (the USA, China, Mongolia, Vietnam, Afghanistan, Malawi, and elsewhere)...2013 Deposit and source South Siberia, SSSR [6] North Siberia, SSSR [11] Mushugay Khuduk, Mongolia [2]...1966) Ondakorume, Namibia Okurusu, Namibia Bayan Obo, China [6] Amba Dongar, India (Frolov, 1975) Ravalli |  | Andrade, F.R.D, Möller, P, LĂŒders, V, Dulski, P, Gilg, H.A (1999) Hydrothermal rare earth elements mineralization in the Barra do ItapirapuĂŁ carbonatite, southern Brazil: behaviour of selected trace elements and stable isotopes (C, O) Chemical Geology, 155 (1) 91-113 doi:10.1016/s0009-2541(98)00143-0 | Journal (article/letter/editorial) | | largest known REE deposit, the sediment-hosted bastnaesite deposit of Bayan Obo in China, is thought to...Pass carbonatite, USA, hosts a very large REE deposit and represents a unique case of magmatic bastnaesite...carbonatite is located 300 km southwest of Sao Ë Paulo city. It is one of several alkalineâcarbonatitic complexes...Andrade et al.r Chemical Geology 155 (1999) 91â113 east of the Barra do ItapirapuaË carbonatite lies the...to the alkaline magmatism include the phosphate deposit of the Jacupiranga complex ĆœOliveira and Trescases |  | Macdonald, Ray, BagiĆski, BogusĆaw, Belkin, Harvey E., Stachowicz, Marcin (2019) Composition, paragenesis, and alteration of the chevkinite group of minerals. American Mineralogist, 104 (3) 348-369 doi:10.2138/am-2019-6772 | Journal (article/letter/editorial) | | REE production held by the Peopleâs Republic of China, has led to much REE exploration worldwide. For...been described as the main REE carrier in any deposit, they may be present in the REE ore (e.g., Li and...chevkinite-(Ce) from Mianning County, Sichuan, China, was given 2+ 2+ by Yang et al. (2002) as (Fe3+...in Nb-rich chevkinite-(Ce) from the Biraya deposit, Mongolia. Another difficulty in comparing CGM structures...perrierite-(La) was described from the Eifel volcanic district, Germany, by Chukanov Figure 4. The main compositional |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | The vast majority of REE production occurs in China (>95 %) (British Geologi- 83 cal Survey, 2017;...Commission, 2017a), with only three other major mining 84 operations globally. These consist of a weathered...(Johnson, 233 1966). Feldspar-rich fenites at Bayan Obo, China only extend 2â4 m into Middle 234 Proterozoic...Malawi, typically exhibit an outer sodic fenite and inner potassic aureole associated 399 with intense brecciation...cross-cutting relationships at many complexes such as Bayan Obo (Le Bas, 402 2008); Chilwa Province (Woolley |  | | Journal (article/letter/editorial) | | calcium), while studies of Mushugai-Khuduk complex in Mongolia discovered K-Fesulfateâcarbonate jarosite-cerussite...ïŹuorite, phlogopite, vermiculite, forsterite, K-richterite-asbestos, gemstones â charoite, dianite and other...in Brazil, Germany, Italy, Iran, Bulgaria and Mongolia). As a result of these studies, a carbonatite...metals was discovered in the South Gobi Desert, Mongolia (Vladykin, 2013). The locations of the study sites...bastnaesitesinkhisite (Lugingol, Mongolia [Kovalenko and Vladykin, 1974] and Bayan-Obo, China; Yang et al., 2017; |  | | Journal (article/letter/editorial) | | feldspar and aegirine ± arfvedsonite, riebeckite and richterite, the fenite contains micro-mineral assemblages...Th, Y and REE) generally increases towards the inner parts of the aureole. A schematic model contains...ore deposits. The worldâs largest REE mine at Bayan Obo, China is also thought to be a highly altered...complexes is important in order to improve ore deposit models, predict where to explore for the more expensive...frequently comprise an outer sodic zone and an inner potassic fenite (Le Bas, 2008). Sodic fenitization |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in CarbonatitesâThe Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | fluorite [73], iron and pyrochlore [74], with many mining exploration operations currently in process. Pyrochlore...minerals (apatite, magnetite, phlogopite and richterite). Ankerite, along with the above-mentioned accessory...and richterite. length and are often intergrown with apatite, magnetite, phlogopite and richterite. Late...equilibrium with apatite, tetraferriphlogopite and richterite. Four types of subsolidus pyrochlore appear distributed...and apatite-amphibole xenoliths constitutes the inner core; this core is surrounded by an external rim |  | | Report (issue) | | tantalum---------------------------------------Mining and processing - - - - - - - - - - - - - - - -...- - - - - - - - - - - - - - - - - - - - Niobium mining and processing - - - - - - - - - - - - - - - -...- - - - - - - - - - - - - - - - - - - Tantalum mining and processing- - - - - - - - - - - - - - - - -...- -- - - -- --- - -- -Refe~nces on exploration, mining, and processing ---------------------------------------...~port- - - - -- - - - - - - - - Graph showing world mine production of niobium concentrate, for selected |  | | Journal (article/letter/editorial) | | prisms of amphibole. The amphibole is mainly richterite, but it extends to magnesioarfvedsonite (overgrowth...pyrochlore south of Meech Lake and acquired mineral and mining rights to 2000 acres. News of these discoveries...but locally holds small amounts of phlogopite, richterite and magnesio-arfvedsonite, aegirine or Fe-rich...long, 100 m wide; Baird 1972). The contact trends eastâwest, dips 858 north. The selvage is 30 cm thick...average dolomite 85%, apatite 10%, calcite 3.5%, richterite 1.5%, thus qualifying as magnesiocarbonatite |  | Stachowicz, Marcin, Welch, Mark D., BagiĆski, BogusĆaw, Kartashov, Pavel M., Macdonald, Ray, WoĆșniak, Krzysztof (2019) Cation ordering, valence states, and symmetry breaking in the crystal-chemically complex mineral chevkinite-(Ce): Recrystallization, transformation, and metamict states in chevkinite. American Mineralogist, 104 (10) 1481-1486 doi:10.2138/am-2019-6458 | Journal (article/letter/editorial) | | Nb-rich chevkinite-(Ce) from the Biraya rare-metal deposit, Russia, resulted in the structural transformation...Nb-rich chevkinite-(Ce) from the Biraya raremetal deposit, Russia, was studied by Stachowicz et al. (2019)...from the Biraya raremetal deposit, located in the north of the Irkutsk district, Transbaikalia, Russia (57°52Êč51ÊșN...chevkinite-(Ce) from the Khaldzan Buragtag alkali granite, Mongolia. The BO6 octahedron is the largest of all MO6...granulite-facies metamorphic rocks and associated pegmatites of East Antarctica and South India. Mineralogical Magazine |  | | Book | | in southwestern Arizona. When used with a town or city this designation indicates the direction in which...Just, Perth, Australia; Richard Thomssen, Carson City, Nevada, USA; Peter Embrey, London, England; Jessie...K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3...5As30ig, E Rhom. Translucent blue-green. Terres mine, St. Ausdell, Cornwall, England and/or Johanngeorgenstadt |  | Mongelli, Giovanni, Paternoster, Michele, Rizzo, Giovanna, Sansone, Maria T. Cristi, Sinisi, Rosa (2013) Trace element geochemistry of the Mt Vulture carbonatites, southern Italy. International Geology Review, 55 (12) 1541-1552 doi:10.1080/00206814.2013.786310 | Journal (article/letter/editorial) | | margin, Mt Vulture is the only volcano located to the east of the Apennine chain on an along-dip vertical slab...that exhibit green pleochroism. The amphibole is richterite, and has a prismatic habit that locally forms...are comparable to those of the Bayan Obo REE ore (Inner Mongolia, China) (Figure 4A). However, the LREE...order of magnitude lower than that of the Bayan Obo deposit and similar to that of average calcio-carbonatite...high-grade terrains: An example from the Rauer Islands, East Antarctica: Chemical Geology, v. 241, p. 62â87. |  | | Book (edition) | | Cand CSPG Pennskiye gubemskiye wdomo.sti (Perm district ga=elle) Pl,ilosopl,ical Maga=ine Periodico de...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...'eltnerite, southern slopc of Mount Ochi, I 00 m east of Mil i ncar Karystos. Evvia. Grcccc, /1.'e»·Mi...104(3). 326-328 ⥠Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...Tikhonenkovite. compare Artrocitc, Ivigtul cryolitc deposit. Ivittuut municipality. southwest Wi tgreenl Greenland |  | Vrublevskii, V.V., Bukharova, O.V., Nebera, T.S., Sveshnikova, V.L. (2019) Composition and origin of rare-metal (NbâTa, REE) and sulfide mineralization in magnesiocarbonatites from the Yenisei Ridge, Central Siberia. Ore Geology Reviews, 111. 102949 doi:10.1016/j.oregeorev.2019.102949 | Journal (article/letter/editorial) | | worldwide: Chernigov, Dubrava, and SiilinjĂ€rvi in the East European Platform; Ilmenâ Vishnevogorsk in the Urals;...Patti in Pakistan; Qinling orogen carbonatites in China (Puustinen, 1971; Glevasskii and Krivdik, 1981;...Late Permian carbonatites of the Tarim Block, NW China (ΔNd(t) ~ 1â4; 87Sr/86Sr(t) 0.7037â 0.7041; after...Mesozoic-Cenozoic nephelinite-carbonatite volcanoes of East Africa fed from a source of mixed depleted and enriched...comparison, Mg-calcite globules in carbonatites from East Africa melted at â 700â900°C after the decrepitation |  | Fitros, Michalis, Tombros, Stylianos F., Kokkalas, Sotirios, Kilias, Stephanos P., Perraki, Maria, Skliros, Vasilios, Simos, Xenofon C., Papaspyropoulos, Konstantinos, Avgouropoulos, George, Williams-Jones, Anthony E., Zhai, Degao, Hatzipanagiotou, Konstantin (2020) REE-enriched skarns in collisional settings: The example of Xanthi's Fe-skarn, Rhodope Metallogenetic Massif, Northern Greece. Lithos, 370. 105638pp. doi:10.1016/j.lithos.2020.105638 | Journal (article/letter/editorial) | | PERRAKI5, -p VASILIOS SKLIROS5, 5 School of Mining and Metallurgical Engineering, National Technical...Mineral Resources, China University of Geosciences, Beijing, 100083, Beijing, China, KONSTANTIN HATZIPANAGIOTOU1...LREE (La to Eu) production (~70 to 80%) comes from mining bastnĂ€site-(Ce) and monazite-(Ce), whereas xenotime-(Y)...extensional intracontinental settings (e.g., Saima in China, Yiming na et al., 2005; Mary Kathleen, Queensland...texture. Two endoskarn zones are recognized, an inner 3. Analytical methods na lP garnet-epidote zone |  | | Journal (article/letter/editorial) | | tuff breccias. Dike complex: Plc-tinguaites, richterite-sanidine lamproites, trachyte porphyries, syenite...ferriphlogopite series; amphibole from the K-richteriteâK-arfvedsonite series; leucite usually contains...example: phlogopite-pyroxene-leucite or phlogopite-K-richterite-sanidine ones. Based on geological, petrological...18 26 â â Mica 35â40 24 â 10 8â10 K-richterite 50 18 10 5 â Leucite 58 â â 20 22...include lamproites in the Anabar area, Finland, China, India, Antarctica, Uzbekistan, etc., which are |  | | Journal (article/letter/editorial) | | heterochronous basements: Siberian (Aldan Shield) and North China cratons; Early Paleozoic (Caledonian) and MiddleâLate...fold belt (Transbaikal and Tuva zones in Russia; Mongolia). Irrespective of the structural position, the...occupies the CE flanks of the Siberian and North China cratons, in addition to the Central Asian fold belt... such as the Siberian (Aldan Shield) and North China (OrdosâShandong field) cratons, in addition to in...and tuff breccias. Dikes of leucite tinguaites, richteriteâsanidine PT E lamproites, trachyte porphyries |  | Kullerud, KĂ„re, Zozulya, Dmitry, Bergh, Steffen G., Hansen, Harald, Ravna, Erling J.K. (2011) Geochemistry and tectonic setting of a lamproite dyke in KvalĂžya, North Norway. Lithos, 126 (3) 278-289 doi:10.1016/j.lithos.2011.08.002 | Journal (article/letter/editorial) | | the Scandinavian Caledonian thrust nappes in the east by the combination of a basal low-angle Caledonian...the ïŹrst time was described from Bayan Obo in Inner Mongolia, China, by Miyawaki et al. (2011). It is...poikilitic tetraferriphlogopite, 3) titanian potassium richterite, 4) forsterite, 5) low-Al diopside, 6) Fe-rich...Sisco (Corsica), the West Alps and Tuscany (Italy), East Sunda Arc (Indonesia), Andean Cordillera (Peru)...Kondrashov, I.A., 2007. Kimberlites and lamproites of the East European Platform: petrology and geochemistry. Petrology |
|
