The 7 references with contexts in paper Lebedev Vladimir Ilich, Лебедев Владимир Ильич (2017) “Экономические аспекты исследования угольных месторождений Улуг-Хемского бассейна (Тува) // Economic aspects of coal deposits exploration of the Ulug-Khem basin (Tuva)” / spz:iplus:atid15:461847

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Dabiev D.F., Soyan M.K. & Lebedev V.I. Valuation of coal deposits of Tyva Republic / Coal. – 2009. – No10. – P. 50–52.
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    comparison with coal reserves of Russian Federation Coal reserves of Tuva Republic in % in comparison with coal reserves of Siberian Federal District Coal, billion ton 41.3 33.2 1.1 2.7 3.3 In recent years, interest in Tuva’s deposits is increased; this is primarily due to the inclusion of Kuragino-Kyzyl railway construction into the list of projects of Russia Investment Foundation
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    . In 2006 the Chinese company «Lunsin’» acquired a license for the development of the Kyzyl-Tashtyg lead-zinc deposit, in 2007 JSCompany «Mining and Metallurgical Company «Norilsk Nickel» has acquired the license to develop the Ak-Sug copper-molybdenum deposit.

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Dabiev D.F. Valuation of mineral resources development effectiveness in Tyva Republic // ECO. Russian Economic Journal. – No4 – p. 114–122.
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  1. In-text reference with the coordinate start=4172
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    comparison with coal reserves of Russian Federation Coal reserves of Tuva Republic in % in comparison with coal reserves of Siberian Federal District Coal, billion ton 41.3 33.2 1.1 2.7 3.3 In recent years, interest in Tuva’s deposits is increased; this is primarily due to the inclusion of Kuragino-Kyzyl railway construction into the list of projects of Russia Investment Foundation
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    . In 2006 the Chinese company «Lunsin’» acquired a license for the development of the Kyzyl-Tashtyg lead-zinc deposit, in 2007 JSCompany «Mining and Metallurgical Company «Norilsk Nickel» has acquired the license to develop the Ak-Sug copper-molybdenum deposit.

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Economic evaluation of mineral resources of Karelia / edited by Sh.Sh. Baybusinova. Petrozavodsk. – 2001. – p. 284.
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    GDA increment is the main criterion of regional economic impact assessment of coal deposits, which provides the increase by a corresponding amount of the gross regional product (GRP) in the region
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    . Social and budget efficiency are determined at this stage. Six deposits meet commercial effectiveness criteria according to our calculations. Their valuation shows that the total increase in the gross value added makes up 1,259 billion rubles (table 2).

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Informational-analytical center «Mineral» [Electronic resource]/ – Access mode: http://www.mineral.ru 29.03.2009.
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    We took into consideration standard tax payments described by the Tax Code of the Russian Federation and the Subsoil Law while economic valuation of deposits exploration development. 3. Price level for mineral resources and products is used
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    . 4. Calculations on the economic evaluation of coal deposits development in Tuva Republic are carried out in MS Excel spreadsheets. Coal deposits valuation of the republic is formed of two stages. At the first stage the commercial efficiency of deposits development is estimated using the income approach [9].

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Lebedev N.I. Coals of Tuva: Status and prospects of mineral resources development / Executive editor. Doctor of Geology and Mineralogy V.I. Lebedev. – Kyzyl: TuvIENR SB RAS, 2007. – P. 180.
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    The railway construction to coal deposits of the Ulugh-Khem basin not only solves the problem of the elimination of internal deficit of coking coal, but deals with much more federal-wide and regional problem – providing transport accessibility of Tuva Republic
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    . Table 1 shows the quantitative indicators of commercial reserves (A+B+C1) of coals of Russia and Tuva. Table 1 Economic reserves of coals Russia Siberian Federal District Tuva Republic Coal reserves of Tuva Republic in % in comparison with coal reserves of Russian Federation Coal reserves of Tuva Republic in % in comparison with coal reserves of Siberian Federal District Coal,

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Russian coal base. / V. III: Coal basins and deposits of Eastern Siberia (Krasnoyarsk region, Kansk-Achinsk basins; Republic of Khakasia, Minusinsk basin, Republic of Tyva. Ulughkhem basin and other deposits; Irkutsk basin, and coal deposits of Baikal region) – Moscow: «Geoinformtsentr», 2002. – P. 488.
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    In the case of development of the Ulugh-Khem basin with an aim of transportation of coking coal for supplying metallurgical companies of the country and for exporting, for these cases a railway construction of 450 km long is needed. The mentioned deficit can be eliminated as a result of development of new coal basins of the country, including the Ulugh-Khem
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    . The railway construction to coal deposits of the Ulugh-Khem basin not only solves the problem of the elimination of internal deficit of coking coal, but deals with much more federal-wide and regional problem – providing transport accessibility of Tuva Republic [5].

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Spatial aspect of socio-economic development of the region / Edited by A.S. Novosyelov. – Novosibirsk: IEIE SB RAS, 2006. – P. 138.
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  1. In-text reference with the coordinate start=7488
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    Calculations on the economic evaluation of coal deposits development in Tuva Republic are carried out in MS Excel spreadsheets. Coal deposits valuation of the republic is formed of two stages. At the first stage the commercial efficiency of deposits development is estimated using the income approach
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    . Regulatory compliance with the standard values of key indicators of profitability in the income approach allows to select the most efficient from an economic point of view of a deposit. Objects that have a positive assessment, take further to the second stage of economic evaluation of deposit development, which can be called the valuation of reserves in national wealth of the region, the esse