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  1. No Access

    Article

    The Ryabinovoe Porphyry Cu–Au Deposit (Southern Yakutia): Geology, Wallrock Alteration, Noble Gases Isotope Systematics and Isotopic Dating of Mineralization Processes

    In the territory of the Ryabinovoe porphyry copper-gold deposit, ore mineralization is confined to multi-stage metasomatism fields, which were formed in two stages. At the first, pre-ore stage, high-temperatur...

    N. V. Shatova, A. V. Molchanov, A. V. Terekhov, V. V. Shatov… in Geology of Ore Deposits (2024)

  2. No Access

    Article

    Revealing Prospects of New Gold–Copper-Porphyry Deposits of the Malmyzh Type in the Lower Amur Region (Russian Far East)

    In this paper, we discuss new data obtained by petrographical, geochemical, geochronological, and isotopic–geochemical study of magmatic rocks within the Malmyzh and Gion gold–copper-porphyry ore fields. Geoch...

    O. V. Petrov, V. V. Shatov, A. I. Khanchuk, V. V. Ivanov… in Geology of Ore Deposits (2023)

  3. Article

    Erratum to: Geochemistry and Petrography of Hydrothermally Altered Rocks of the Ryabinovoe Orefield (Southern Yakutia) as the Basis for the Prediction of Gold–Copper-Porphyry Ore Mineralization

    An Erratum to this paper has been published: https://doi.org/10.1134/S1075701523370018

    N. V. Shatova, V. V. Shatov, A. V. Molchanov, O. V. Petrov… in Geology of Ore Deposits (2023)

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  4. Article

    Open Access

    Mineral and Raw-Material Potential of Strategic Critical Mineral Raw Material for Development of the High-Tech Industry of the Russian Federation

    The present paper briefly characterizes the state system of a regional geological study of subsoil implemented by Rosnedra and the Karpinsky All-Russian Research Geological Institute (VSEGEI) and provides an a...

    O. V. Petrov, A. V. Molchanov, V. V. Shatov, T. N. Zubova in Geology of Ore Deposits (2023)

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  5. No Access

    Article

    Geochemistry and Petrography of Hydrothermally Altered Rocks of the Ryabinovoe Orefield (Southern Yakutia) as the Basis for the Prediction of Gold–Copper-Porphyry Ore Mineralization

    The results are discussed of a predictive appraisal of porphyry gold–copper mineralization within the Ryabinovoe orefield that is based on a comprehensive approach to studying petrographic and geochemical char...

    N. V. Shatova, V. V. Shatov, A. V. Molchanov, O. V. Petrov… in Geology of Ore Deposits (2022)

  6. No Access

    Article

    The First Data on the U–Pb Ages and Compositions of Zircons from Ore-Bearing Syenites of Gora Rudnaya (South Yakutia)

    This paper presents the first isotope-geochemical study (SHRIMP-II, SIMS) of zircons from syenites of Gora Rudnaya (South Yakutia), which host the recently discovered Morozkinsky gold deposit. Gora Rudnaya is ...

    V. E. Guzev, A. V. Terekhov, S. G. Skublov… in Russian Journal of Pacific Geology (2021)

  7. No Access

    Article

    Method for Analyzing the Influence of the Errors Induced by the Gyroscopic Channel of a Strapdown INS in the Autonomous Mode

    We describe a method, which allows analyzing the influence of the errors induced by gyroscopic channel of strapdown inertial navigation system (strapdown INS) on the errors of INS autonomous mode. The method i...

    A. A. Golovan, V. Yu. Mishin… in Journal of Computer and Systems Sciences I… (2021)

  8. No Access

    Article

    Results of the U-Pb age of detrital zircons from Upper Proterozoic deposits of the eastern slope of the Anabar uplift

    The Upper Proterozoic sequence in the southern part of the East Anabar Basin, as throughout the entire framing of the Anabar uplift, has a two-unit terrigenous-carbonate structure. The results of the U-Pb dati...

    A. V. Kuptsova, A. K. Khudoley, W. Davis… in Stratigraphy and Geological Correlation (2015)

  9. No Access

    Article

    Method of lock-in threshold measurement in manufacture and operation of ring lasers

    The paper focuses on a method of measuring the lock-in threshold in ring laser based on digital processing of RLG quadrature signals. Requirements on mechanical rotation providing acceptable measurement error ...

    S. Yu. Alekseev, M. V. Chirkin, V. Yu. Mishin, D. A. Morozov… in Gyroscopy and Navigation (2013)

  10. No Access

    Article

    MEMS IMU: Development and flight test results

    The paper presents a MEMS IMU, being a component of integrated standby instrument system (ISIS). MEMS IMU determines aircraft roll, pitch and heading, when the main inertial navigation system or attitude headi...

    A. G. Kuznetsov, V. I. Galkin, A. V. Molchanov, B. I. Portnov… in Gyroscopy and Navigation (2012)

  11. No Access

    Article

    Technology and Equipment Based on Induction Melters with.Cold. Crucible for Reprocessing Active Metal Waste

    The operation and, particularly, the decommissioning of NPPs and radiochemical plants result in substantial arisings of radioactive metal waste (RAMW) having different activity levels (from 5×10−4 to ≍ 40 Ci/kg).

    V. G. Pastushkov, A. V. Molchanov, V. P. Serebryakov… in MRS Online Proceedings Library (2011)

  12. No Access

    Article

    Dilute magnetic semiconductor: Magnesium-doped Zn0.9Cd0.1GeAs2

    Dilute magnetic semiconductors based on manganese-doped Zn0.9Cd0.1GeAs2 solid solution with various do** levels were synthesized. Their Curie point in 5-T magnetic field was 349 K. Ferromagnetic ordering in the...

    V. M. Novotortsev, I. S. Zakharov, A. V. Kochura… in Russian Journal of Inorganic Chemistry (2008)

  13. No Access

    Article

    Synthesis, structures, and electrophysical properties of single crystals of solid solutions CdGeAs2:Mn(x) and Cd0.964Zn0.036GeAs2:Mn(x)

    Single crystals of the solid solutions CdGeAs2:Mn(x) and Cd0.964Zn0.036GeAs2:Mn(x) have been grown by the vertical Bridgman method. An X-ray diffraction study has demonstrated that Cd0.964Zn0.036GeAs2 (I), Cd0.96...

    S. G. Mikhailov, K. K. Palkina, A. V. Molchanov… in Russian Journal of Inorganic Chemistry (2007)

  14. No Access

    Article

    Optical and photoelectric properties of monoclinic Zn1 − x Cd x As2 crystals

    The first data are presented on the band structure of monoclinic Zn1 − x Cd x As2 crystals. The fundamental absorption edge of Zn1 − x ...

    V. A. Morozova, S. F. Marenkin, O. G. Koshelev, D. V. Chernoguzov… in Inorganic Materials (2007)

  15. No Access

    Article

    Edge absorption and light propagation in single crystals of Zn1−x Cd x As2 solid solutions

    The transmittance of Zn1−x Cd x As2 anisotropic single crystals in their transparency region is found to depend on the incident light polarization, photon...

    V. A. Morozova, S. F. Marenkin, O. G. Koshelev, D. V. Chernoguzov… in Inorganic Materials (2006)

  16. No Access

    Article

    Ferromagnetism of manganese-doped InSb alloys

    InSb samples containing 0.22–1.42 wt % manganese were synthesized and identified. The unit cell parameter decreased as the manganese concentration increased. The samples contained microinclusions of manganese ...

    V. M. Novotortsev, I. S. Zakharov, A. V. Kochura… in Russian Journal of Inorganic Chemistry (2006)

  17. No Access

    Article

    Band structure of the diluted magnetic semiconductor MnxCd1−x GeAs2

    The electron-density-functional approach is used to calculate the band structure of the CdGeAs2 semiconductor and the diluted magnetic semiconductor MnxCd1−x GeAs2, which has a ferromagnetic struc...

    V. G. Yarzhemsky, S. V. Murashov, V. I. Nefedov, E. N. Murav’ev… in Inorganic Materials (2006)

  18. No Access

    Article

    Growth and structure of ZnSnAs2 crystals

    High-quality ZnSnAs2 (I) single crystals have been grown. The unit cell parameters of compound I have been refined (a = b = 5.8360(1), c = 11.686(2) Å), and its crystal structure has been determined.

    S. F. Marenkin, V. M. Trukhan, K. K. Palkina… in Russian Journal of Inorganic Chemistry (2006)

  19. No Access

    Article

    Crystal Growth and Structure of the Zn0.97Cd0.03As2 Solid Solution

    Single crystals of the Zn0.97Cd0.03As2 solid solution are prepared, and their structure is determined by x-ray diffraction. The incorporation of Cd into ZnAs2 has no effect on its lattice parameters (to within th...

    K. K. Palkina, S. G. Mikhailov, S. F. Marenkin, A. V. Molchanov… in Inorganic Materials (2005)

  20. No Access

    Article

    Synthesis and Structure of Mn-Doped CdGeAs2 Single Crystals

    Large, perfect CdGeAs2 single crystals doped with 0.006, 0.49, and 0.89 wt % Mn are grown by the Bridgman method. The Mn concentration in the crystals is determined by atomic absorption spectrophotometry. X-ray d...

    V. M. Novotortsev, K. K. Palkina, S. G. Mikhailov, A. V. Molchanov… in Inorganic Materials (2005)

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