 | Yarmolyuk, V. V., Nikiforov, A. V., Salânikova, E. B., Travin, A. V., Kozlovskiy, A. M., Kotov, A. B., Shuriga, T. N., Lykhin, D. A., Lebedev, V. I., Anisimova, I. V., Plotkina, Yu. V., Yakovleva, S. Z. (2010) Rare-metal granitoids of the Ulug-Tanzek deposit (Eastern Tyva): Age and tectonic setting. Doklady Earth Sciences, 430 (1) 95-100 doi:10.1134/s1028334x10010216 | Journal (article/letter/editorial) | | GEOCHEMISTRY RareMetal Granitoids of the UlugTanzek Deposit (Eastern Tyva): Age and Tectonic Setting...of the deposit. In this paper we present the results of dating of alkaline granitoids of the UlugTanzek...UlugTanzek Massif by the UâPb method for zircon and the ArâAr method. With account for the geochronological data...the unique complex rare metalârareearth deposit UlugTanzek (Eastern Tyva) was formed. The existing estimations...method by potassic feldspar) and cover The UlugTanzek Massif of alkaline granitoids is located in southeastern |  | Yarmolyuk, V. V., Lykhin, D. A., Shuriga, T. N., Vorontsov, A. A., Sugorakova, A. M. (2011) Age, composition of rocks, and geological setting of the Snezhnoe beryllium deposit: Substantiation of the Late Paleozoic East Sayan rare-metal zone, Russia. Geology of Ore Deposits, 53 (5) 390-400 doi:10.1134/s1075701511040064 | Journal (article/letter/editorial) | | Beryllium Deposit: Substantiation of the Late Paleozoic East Sayan RareMetal Zone, Russia V. V. Yarmolyuka...Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia b AllRussia Research Institute of Mineral Resources,... Staromonetnyi per. 31, Moscow, 119017 Russia c Vinogradov Institute of Geochemistry, Siberian Branch...Sciences, ul. Favorskogo 1a, Irkutsk, 664033 Russia d Tuva Institute of Comprehensive Development of Natural...Kyzyl, 667007 Russia Received March 24, 2011 AbstractâThe Snezhnoe phenakiteâberyl deposit is one of the |  | | Journal (article/letter/editorial) | | Features of Rare-Metal Granites of the Zashikhinsky Massif, East Sayan N. V. Vladykina, N. V. Alymovaa, and...Irkutsk, 664033 Russia b JSC âTekhnoinvest Aljansâ bulâv. Gagarina, 38, Irkutsk, 664025, Russia e-mail: vlad@igc...Zashikhinsky Massif and mineralogicalâgeochemical characteristics of the ores of the eponymous deposit. The rare-metal...basis of all characteristics, the Zashikhinskoe deposit is estimated as one of the largest tantalum rare-metal...rare-metal deposits of alkaline-granite type in Russia. DOI: 10.1134/S0869591116050052 INTRODUCTION Rare-metal |  | | Journal (article/letter/editorial) | | Sciences, Staromonetnyi per. 35, Moscow, 119017 Russia b Vinogradov Institute of Geochemistry, Siberian...Siberian Branch, ul. Favorskogo 1a, Irkutsk, 664033 Russia Received March 26, 2012 AbstractâLate Paleozoic...raremetal deposits (Askhatin, Tostyg, SolBeldyr, UlugTanzek, Kara suk, Yermakovka, Zashikhinsky, Burpala...in circles): 1, Burpala; 2, Zashikhinsky; 3, UlugTanzek; 4, SolBeldyr; 5, KhanBogdo; rift zones: GT...intrusive phase. Zr minerals (armstrong ite, elpidite, zircon), amorphous REEâZr and Nb minerals, REE minerals |  | Lykhin, D. A., Yarmolyuk, V. V., Nikiforov, A. V., Kozlovsky, A. M., Magazina, L. O. (2018) Ulan-Tologoi TaâNb Deposit: the Role of Magmatism in the Formation of Rare Metal Mineralization. Geology of Ore Deposits, 60 (6) 461-485 doi:10.1134/s1075701518050057 | Journal (article/letter/editorial) | | Vol. 60, No. 6, pp. 519â545. Ulan-Tologoi TaâNb Deposit: the Role of Magmatism in the Formation of Rare...Geochemistry, Russian Academy of Sciences, Moscow, 119017 Russia *e-mail: liha@igem.ru Received November 7, 2017...for the formation of the Ulan-Tologoi TaâNbâ Zr deposit (northwestern Mongolia) related to the eponymous...mineralization includes pyrochlore, columbite, zircon, bastnaesite, monazite, and thorite, which are...the key process should be identified for every deposit. In this paper, we consider the mechanisms of concentration |  | | Journal (article/letter/editorial) | | Museum, Russian Academy of Sciences, Moscow, 125009 Russia *e-mail: a.tkachev@sgm.ru Received May 23, 2019;...authors (Tkachev and Rundquist, 2016a, 2016b). DEPOSIT TYPES All niobium resources corresponding to the...Bingo; (17) Ghurayyah; (18) Halzan Buregtei; (19) Ulug-Tanzek; (20) Zashikhinskoe; (21) Kanyika; (22) Lovozero;...31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Deposit Nechalacho Pitinga Brockman Katugin Mount Weld...Nemegosenda Luesh Bingo Ghurayyah Halzan Buregtei Ulug-Tanzek Zashihinskoe Kanyika Lovozero Tomtor Mabouni |  | Vladykin, N. V., Sotnikova, I. A., Kotov, A. B., Yarmolyuk, V. V., Salânikova, E. B., Yakovleva, S. Z. (2014) Structure, age, and ore potential of the Burpala rare-metal alkaline massif, northern Baikal region. Geology of Ore Deposits, 56 (4) 239-256 doi:10.1134/s1075701514040060 | Journal (article/letter/editorial) | | Ore Potential of the Burpala RareMetal Alkaline Massif, Northern Baikal Region N. V. Vladykina, I. A....of Sciences, ul. Favorskogo 1A, Irkutsk, 664033 Russia b Institute of Precambrian Geology and Geochronology...Sciences, nab. Makarova 2, St. Petersburg, 199034 Russia c Institute of Geology of Ore Deposits, Petrography...Moscow, 119017 Russia Received February 28, 2014 AbstractâThe Burpala alkaline massif is a unique geological...have been identified in raremetal syenite of this massif. Their contents often reach tens of per cent, |  | | Journal (article/letter/editorial) | | Stefano Salvi Keywords: rare earth elements; deposit; Mongolia; carbonatite; peralkaline granitic rocks;...Uul. Number 6 is a large Bayan Obo REE golia. deposit in Inner Mongolia, China. Inset map shows a geologic...alkaline felsic igneous systems and two secondary deposit types: placer deposits and residual deposits of...most prominent is the Devonian Khalzan Buregtei deposit. Several other promising occurrences of REE mineralization...adjacent part of Russia (southeastern region of the Tuva Republic e.g., Ulug-Tanzek, Zashikhinskoe and |  | | Journal (article/letter/editorial) | | and Ores of the Okunevskoe FluoriteâLeucophanite Deposit, Western Sayan: Assessment of the Contribution...Geochemistry, Russian Academy of Sciences, Moscow, 119017 Russia b Vinogradov Institute of Geochemistry, Siberian...Branch, Russian Academy of Sciences, Irkutsk, 664033 Russia *e-mail: liha@igem.ru Received March 13, 2019;...structure of the Okunevskoe fluoriteâleucophanite deposit, located within the Early Paleozoic East Sayan...Sayan rare metal metallogenic zone. The deposit is controlled by alkali granitoids, with ore mineralization |  | Zozulya, D. R., Lyalina, L. M., Eby, N., Savchenko, Ye. E. (2012) Ore geochemistry, zircon mineralogy, and genesis of the Sakharjok Y-Zr deposit, Kola Peninsula, Russia. Geology of Ore Deposits, 54 (2) 81-98 doi:10.1134/s1075701512020079 | Journal (article/letter/editorial) | | Geochemistry, Zircon Mineralogy, and Genesis of the Sakharjok YâZr Deposit, Kola Peninsula, Russia D. R. Zozulyaa...Fersmana 14, Apatity, Murmanks oblast, 184209, Russia b Department of Environmental, Earth, and Atmospheric...February 28, 2011 AbstractâThe Sakharjok YâZr deposit in Kola Peninsula is related to the fissure alkaline...chemistry and only differs from them in enrichment in zircon, britholite(Y), and pyrochlore. Judging from geochemical...intrachamber fractionation. Mineralogical features of zirconâthe main ore mineralâ demonstrate its long multistage |  | Gordienko, I. V., Roshchektaev, P. A., Gorokhovsky, D. V. (2016) Oka ore district of the Eastern Sayan: Geology, structuralâmetallogenic zonation, genetic types of ore deposits, their geodynamic formation conditions, and outlook for development. Geology of Ore Deposits, 58 (5) 361-382 doi:10.1134/s1075701516050044 | Journal (article/letter/editorial) | | Mestorozhdenii, 2016, Vol. 58, No. 5, pp. 405â429. Oka Ore District of the Eastern Sayan: Geology, StructuralâMetallogenic...Sciences, Ulan-Ude, 670047 Russia b Riphean ĐĐĐ, Ulan-Ude, 670047 Russia *e-mail: gord@pres.bscnet.ru...earlier works, it is established that the Oka ore district formed mainly in the NeoproterozoicâEarly Paleozoic...Sayan geologicalâeconomic district is related to the administrative Oka District of Republic of Buryatia...and to the Oka ore district (OOD) in geological and metallogenic terms. The district encompasses the western |  | | Journal (article/letter/editorial) | | of Nb and Ta mineralization as it lies between Russia and China, which both have in neighbouring parts...granites is a giant (1â9) Bayanand Oboperaluminous deposit in China. Inset map showsand a geologic sketch...sketch of (16â21). Number 21 is a giant Bayan Obo deposit in China. Inset map shows a geologic eastern Asia...of northwestThe KhalzanBuregtei Buregteideposit deposit(Figure (Figure1)1)isislocated located Mongolian...phases of peralkaline granitoid yielded U-Pb yielded zircon ages 390â392 Maof[15,16]. formssyenite the outer |  | | Journal (article/letter/editorial) | | Mineralogy, Koptyuga Ave. 3, 630090 Novosibirsk, Russia Siberian Research Institute of Geology, Geophysics...Resources, Krasny Prospect, 67, 630091 Novosibirsk, Russia Correspondence: vetrov@igm.nsc.ru Highlights:...distributed under the terms and Middle Devonian zircon U-Pb crystallization age is found in the Tannuola...Early Cambrian to the Late Ordovician. However, zircon U-Pb age, geochemical, and Sr-Nd isotopic constraints...border area of the Tannuola terrane. The obtained zircon U-Pb age of 387.7 ± 3.3 Ma indicates emplacement |  | Pekov, I. V., Chukanov, N. V., Kononkova, N. N., Yakubovich, O. V., Massa, W., Voloshin, A. V. (2009) Tveitite-(Y) and REE-enriched fluorite from amazonite pegmatites of the Western Keivy, Kola Peninsula, Russia: Genetic crystal chemistry of natural Ca,REE-fluorides. Geology of Ore Deposits, 51 (7) 595-607 doi:10.1134/s1075701509070083 | Journal (article/letter/editorial) | | Pegmatites of the Western Keivy, Kola Peninsula, Russia: Genetic Crystal Chemistry of Natural Ca,REE-Fluorides...Geology, Moscow State University, Moscow, 119991 Russia of Problems of Chemical Physics, Russian Academy...Sciences, Chernogolovka, Moscow oblast, 142432 Russia cInstitute of Geochemistry and Analytical Chemistry...Academy of Sciences, ul. Kosygina 19, Moscow 119991 Russia d Fachbereich Chemie, Philipps-Universit@at, Marburg...Academy of Sciences, ul. Fersmana 14, Apatity 184209 Russia b Institute Received February 13, 2007 AbstractâTveitite-(Y) |
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