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Tomtor Deposit

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Journal Article

Main minerals of abnormally high-grade ores of the Tomtor deposit (Arctic Siberia)

E.V. Lazareva, S.M. Zhmodik, N.L. Dobretsov, A.V. Tolstov, B.L. Shcherbov, N.S. Karmanov, E.Yu. Gerasimov, A.V. Bryanskaya
Published: 01 June 2015
Russ. Geol. Geophys. (2015) 56 (6): 844–873.
DOI: https://doi.org/10.1016/j.rgg.2015.05.003
... aggregates, and the close association of organic remains with ore minerals suggest that the high-grade ores of the Tomtor deposit, including the Burannyi site, resulted from a hydrothermal–sedimentary process with a presumably important role of bioaccumulation of REE phosphates. In the early 1990s...
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Fragment of a geological cross section of Burannyi site at <span class="search-highlight">Tomtor</span> <span class="search-highlight">deposit</span> (...

Fragment of a geological cross section of Burannyi site at Tomtor deposit (...

Published: 01 January 2010
Fig. 8. Fragment of a geological cross section of Burannyi site at Tomtor deposit ( a ) and patterns of rare-metal mineralization ( b–g ), after ( Epshtein et al., 1994 ; Dodin, 2008 ). 1 , Jurassic marine sediments; 2 , 3 , Permian sediments: coal-bearing alluvium ( 2 ), talus and alluvium
Journal Article

The Tomtor alkaline ultrabasic massif and related REE-Nb deposits, northern Siberia

S. M. Kravchenko, B. G. Pokrovsky
Journal: Economic Geology
Published: 01 May 1995
Economic Geology (1995) 90 (3): 676–689.
DOI: https://doi.org/10.2113/gsecongeo.90.3.676
...S. M. Kravchenko; B. G. Pokrovsky Abstract Nb-REE ore deposits related to weathered carbonatite within the Tomtor massif, northern Siberia, contain the world's largest carbonatite-related concentrations of Nb and REE. Despite its remote location, economic exploitation of the deposit was made...
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XRD pattern for the fraction &lt;0.01 mm of ore from the Burannyi site, Tom...

XRD pattern for the fraction <0.01 mm of ore from the Burannyi site, Tom...

Published: 01 June 2015
Fig. 17. XRD pattern for the fraction <0.01 mm of ore from the Burannyi site, Tomtor deposit. 1 , monazite; 2 , goethite.
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Mineral composition of ore from the northern part of the Burannyi site, Tom...

Mineral composition of ore from the northern part of the Burannyi site, Tom...

Published: 01 June 2015
Fig. 5. Mineral composition of ore from the northern part of the Burannyi site, Tomtor deposit, according to XRD. 1 , monazite; 2 , goyazite; 3 , siderite; 4 , goethite; 5 , pyrochlore.
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Results of particle size analysis in ore from the Burannyi site, <span class="search-highlight">Tomtor</span> dep...

Results of particle size analysis in ore from the Burannyi site, Tomtor dep...

Published: 01 June 2015
Fig. 7. Results of particle size analysis in ore from the Burannyi site, Tomtor deposit, using a Fritsch Analysette 22 MicroTec laser particle sizer by the standard technique ( a ) and with preliminary ultrasonication ( b ). Right vertical scale shows the percentage of fractions for the heavy
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Typical pyrochlore–monazite–crandallite ores of the Burannyi site, <span class="search-highlight">Tomtor</span> d...

Typical pyrochlore–monazite–crandallite ores of the Burannyi site, Tomtor d...

Published: 01 June 2015
Fig. 8. Typical pyrochlore–monazite–crandallite ores of the Burannyi site, Tomtor deposit. a , Relict pyrochlore (Pych) crystals; b , monazite (Mon) aggregate, crandallite group minerals (in this case goyazite (Goy)) as colloform (And) globular segregations in a colloform goethite aggregate
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Comparison of the forms of monazite from the high-grade ores of the Buranny...

Comparison of the forms of monazite from the high-grade ores of the Buranny...

Published: 01 June 2015
Fig. 14. Comparison of the forms of monazite from the high-grade ores of the Burannyi site, Tomtor deposit ( a , c , e ), with pseudomorphs of lanthanum phosphate after the Pseudomonas aeruginosa cells obtained in a laboratory experiment ( b , d ) and the cerium phosphate aggregate produced
Journal Article

Unique Multicomponent Fe, Mn, Ti, V Mineralization in Laterite Profiles of Weathered Carbonatites: New Prospects

A.V. Lapin, A.V. Tolstov, O.A. Nabelkin, I.M. Kulikova
Published: 01 August 2024
Russ. Geol. Geophys. (2024) 65 (8): 927–935.
DOI: https://doi.org/10.2113/RGG20234676
...A.V. Lapin; A.V. Tolstov; O.A. Nabelkin; I.M. Kulikova Abstract —Data from the Chuktukon, Tomtor (Russia), and Morro dos Seis Lagos (Brazil) mineral deposits demonstrate that the mineral potential of laterite produced by weathering of carbonatites can be extended with Fe, Mn, Ti, and V, which...
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Pyrochlore crystals from the high-grade ores of the northern part of the Bu...

Pyrochlore crystals from the high-grade ores of the northern part of the Bu...

Published: 01 June 2015
Fig. 9. Pyrochlore crystals from the high-grade ores of the northern part of the Burannyi site, Tomtor deposit. a , Fragments of pyrochlore I (Pcl I) crystals replaced by pyrochlore II and III (Pcl II and Pcl III) to a large extent or completely and cemented by goyazite; b , pyrochlore I
Journal Article

Mineral resources and development in the Russian Arctic

N.L. Dobretsov, N.P. Pokhilenko
Published: 01 January 2010
Russ. Geol. Geophys. (2010) 51 (1): 98–111.
DOI: https://doi.org/10.1016/j.rgg.2009.12.009
...Fig. 8. Fragment of a geological cross section of Burannyi site at Tomtor deposit ( a ) and patterns of rare-metal mineralization ( b–g ), after ( Epshtein et al., 1994 ; Dodin, 2008 ). 1 , Jurassic marine sediments; 2 , 3 , Permian sediments: coal-bearing alluvium ( 2 ), talus and alluvium...
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Tectonic structure of the Siberian craton (modified after ( Parfenov et al....

Tectonic structure of the Siberian craton (modified after ( Parfenov et al....

Published: 01 November 2020
, Malo-Botuobin (Mirny), 6, Nakyn, 7, Upper Mun; 12 , Tomtor deposits of rare Earth elements.
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The scheme of seismotectonics of the Siberian craton and its fold-thrust fr...

The scheme of seismotectonics of the Siberian craton and its fold-thrust fr...

Published: 01 November 2020
, intensity isolines in points on a scale MSK-64 ( Gusev et al., 2015 ); 8 , groups of kimberlite fields: 1, Kuonap, 2, Middle Olenek, 3, Lower Olenek, 4, Daldyn-Alakit, 5, Malo-Botuobin (Mirny), 6, Nakyn, 7, Upper Mun; 9 , Tomtor deposits of rare Earth elements.
Journal Article

PORPHYRITIC POTASSIUM-RICH ALKALINE-ULTRABASIC ROCKS OF THE CENTRAL TOMTOR MASSIF ( Arctic Siberia ): CARBONATIZED LAMPROITES

S.M. Kravchenko
Published: 01 September 2003
Russ. Geol. Geophys. (2003) 44 (9): 906–918.
...-ultrabasic rocks are volcanics that occur in a subsidence caldera 6–10 km across. Based on the classification diagrams of Holmes, Foley et al., and La Roche, we have established that the porphyritic rocks are dominated by lamproites. The Tomtor Massif includes a unique “upper ore horizon” placer deposit...
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Journal Article

Mineral composition of alkaline lamprophyres of the Tomtor massif as reflection of their genesis

L.I. Panina, E.Yu. Rokosova, A.T. Isakova, A.V. Tolstov
Published: 01 August 2017
Russ. Geol. Geophys. (2017) 58 (8): 887–902.
DOI: https://doi.org/10.1016/j.rgg.2017.07.001
... in the Tomtor alkaline-ultrabasic carbonatite massif (Yakutia) hosting a unique deposit of Sc–REE–Y–Nb ores. Previous fluid–melt inclusion study showed that these rocks formed from two mixing alkaline-basic melts of different alkalinity. A detailed study of the chemical composition of minerals revealed...
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Journal Article

Nodular monazite from placers in the Kular Ridge ( Arctic Siberia, Russia ): composition and age

E.V. Lazareva, S.M. Zhmodik, A.V. Prokopiev, N.S. Karmanov, A.I. Sergeenko
Published: 01 October 2018
Russ. Geol. Geophys. (2018) 59 (10): 1330–1347.
DOI: https://doi.org/10.1016/j.rgg.2018.09.010
... and a gradual temperature increase during subsequent growth. The Ce:La:Nd ratio changes partly in grain rims as a result of oxidative dissolution. Judging by the tectonic setting, REE came to the Kular–Nera rocks from the weathered Tomtor Nb–REE deposit, being transported by the Paleo-Khatanga River...
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LAMPROITES OF THE TOMTOR MASSIF ( eastern Anabar area )

N.V. Vladykin, T.S. Torbeeva
Published: 01 October 2005
Russ. Geol. Geophys. (2005) 46 (10): 1038–1049.
... potential of rocks of the Tomtor massif was made by G.I. Porshnev, who found a diamond in one of diatremes. He classified the studied rocks as picrites and kimberlites. At that time, the ore strata of the Nb-REE-carbonatite deposit were intensely studied, whereas the silicate rocks of the massif were paid...
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Assignment of igneous rocks to lamproite: major- and trace-element criteria and implications for the history of the Tomtor pluton ( northwestern Yakutia )

Yu.A. Bagdasarov
Published: 01 October 2009
Russ. Geol. Geophys. (2009) 50 (10): 911–916.
DOI: https://doi.org/10.1016/j.rgg.2008.10.008
...Yu.A. Bagdasarov Abstract The paper presents objections against assigning picritic and some other igneous rocks to lamproite as suggested by N.V. Vladykin, both in general and in particular for the case of the large Tomtor pluton of alkaline and carbonatite rocks in northwestern Sakha Republic...
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Location map of large mineral and hydrocarbon <span class="search-highlight">deposits</span> in Arctic and subarc...

Location map of large mineral and hydrocarbon deposits in Arctic and subarc...

Published: 01 January 2010
Fig. 2. Location map of large mineral and hydrocarbon deposits in Arctic and subarctic areas ( Dodin, 2008 ). 1 , 2 , oil and gas fields, respectively; 3 , diamond deposits; 4 , Pt-Cu-Ni deposits (Noril’sk, Kola Peninsula); 5 , Tomtor rare-metal deposit; 6 , tin deposits (Deputatskoe, etc
Journal Article

Genesis and crystallization of ultramafic alkaline carbonatite magmas of Siberia: ore potential, mantle sources, and relationship with plume activity

N.V. Vladykin
Published: 01 May 2016
Russ. Geol. Geophys. (2016) 57 (5): 698–712.
DOI: https://doi.org/10.1016/j.rgg.2015.09.014
...N.V. Vladykin Abstract This paper discusses the genesis of large Siberian alkaline massifs hosting major ore deposits. These reference massifs are grouped based on the predominance of alkalies (K or Na) and their agpaitic index (miaskitic and agpaitic). We proposed new emplacement schemes...
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