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1

Composition and thermal structure of the lithospheric mantle beneath kimberlite pipes from the Catoca cluster, Angola

I.V. Ashchepkov, A.Y. Rotman, S.V. Somov, V.P. Afanasiev, H. Downes, A.M. Logvinova, S. Nossyko, J. Shimupi, S.V. Palessky, O.S. Khmelnikova, N.V. Vladykin

Journal:

Year:

2012

Language:

english

File:

PDF, 6.35 MB

english, 2012

2

Seismic velocities, anisotropy and deformation in Siberian cratonic mantle: EBSD data on xenoliths from the Udachnaya kimberlite

Jérôme Bascou, Luc S. Doucet, Sylvaine Saumet, Dmitri A. Ionov, Igor V. Ashchepkov, Alexander V. Golovin

Journal:

Earth and Planetary Science Letters

Year:

2011

Language:

english

File:

PDF, 3.37 MB

english, 2011

3

Oxygen isotope composition of garnet and spinel peridotites in the continental mantle: Evidence from the Vitim xenolith suite, southern Siberia

D.A Ionov, R.S Harmon, C France-Lanord, P.B Greenwood, I.V Ashchepkov

Journal:

Geochimica et Cosmochimica Acta

Year:

1994

Language:

english

File:

PDF, 1.11 MB

english, 1994

4

Garnet Peridotite Xenoliths from the Vitim Volcanic Field, Baikal Region: the Nature of the Garnet--Spinel Peridotite Transition Zone in the Continental Mantle

IONOV, D. A., ASHCHEPKOV, I. V., STOSCH, H.-G., WITT-EICKSCHEN, G., SECK, H. A.

Journal:

Journal of Petrology

Year:

1993

Language:

english

File:

PDF, 2.32 MB

english, 1993

5

Layering of the lithospheric mantle beneath the Siberian Craton: Modeling using thermobarometry of mantle xenolith and xenocrysts

Ashchepkov, I.V., Vladykin, N.N., Ntaflos, T., Kostrovitsky, S.I., Prokopiev, S.A., Downes, H., Smelov, A.P., Agashev, A.M., Logvinova, A.M., Kuligin, S.S., Tychkov, N.S., Salikhov, R.F., Stegnitsky,

Journal:

Year:

2014

Language:

english

File:

PDF, 25.60 MB

english, 2014

6

Comparison of mantle lithosphere beneath early Triassic kimberlite fields in Siberian craton reconstructed from deep-seated xenocrysts

Ashchepkov, I.V., Kuligin, S.S., Vladykin, N.V., Downes, H., Vavilov, M.A., Nigmatulina, E.N., Babushkina, S.A., Tychkov, N.S., Khmelnikova, O.S.

Journal:

Geoscience Frontiers

Year:

2015

Language:

english

File:

PDF, 10.39 MB

english, 2015

7

Thermobarometry and Geochemistry of Mantle Xenoliths from Zapolyarnaya Pipe, Upper Muna Field, Yakutia: Implications for Mantle Layering, Interaction with Plume Melts and Diamond Grade

Ashchepkov, Igor, Medvedev, Nikolay, Vladykin, Nikolay, Ivanov, Alexander, Downes, Hilary

Journal:

Year:

2020

File:

PDF, 5.13 MB

2020

8

Optimal control of a system with intermediate conditions

L.T. Ashchepkov

Journal:

Journal of Applied Mathematics and Mechanics

Year:

1981

Language:

english

File:

PDF, 566 KB

english, 1981

9

On the optimality of singular controls in goursat-darboux systems

L.T. Ashchepkov, O.V. Vasil'ev

Journal:

USSR Computational Mathematics and Mathematical Physics

Year:

1975

Language:

english

File:

PDF, 786 KB

english, 1975

10

The effect of “cutting” functions in non-linear programming problems

L.T. Ashchepkov, G.N. Konstantinov

Journal:

USSR Computational Mathematics and Mathematical Physics

Year:

1976

Language:

english

File:

PDF, 460 KB

english, 1976

11

Construction of the maximum cube inscribed in a given domain

L.T. Ashchepkov

Journal:

USSR Computational Mathematics and Mathematical Physics

Year:

1980

Language:

english

File:

PDF, 328 KB

english, 1980

12

Degree of optimality of the trajectory of a discontinuous control system along a skid segment

L. T. Ashchepkov, N. M. Levchenko

Journal:

Siberian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 707 KB

english, 1981

13

Infiltration characteristics of inhomogeneous porous media in a seismic field

Yu. S. Ashchepkov

Journal:

Journal of Mining Science

Year:

1989

Language:

english

File:

PDF, 327 KB

english, 1989

14

Feldspar-bearing lherzolite xenoliths in alkali basalts from Hamar-Daban, southern Baikal region, Russia

D. A. Ionov, Suzanne Y. O'Reilly, Igor V. Ashchepkov

Journal:

Contributions to Mineralogy and Petrology

Year:

1995

Language:

english

File:

PDF, 1.21 MB

english, 1995

15

Reconstruction of AVT-1 plant with production of unoxidized asphalts at OOO LUKOIL-Ukhta oil refining

A. I. Ashchepkov, M. M. Koroleva, and E. N. Zabelinskaya

Journal:

Chemistry and Technology of Fuels and Oils

Year:

2009

Language:

english

File:

PDF, 98 KB

english, 2009

16

The maximum principle for positional controls and the problem of optimal system synthesis

L.T. Ashchepkov, N.I. Baranchikova

Journal:

Journal of Applied Mathematics and Mechanics

Year:

1996

Language:

english

File:

PDF, 596 KB

english, 1996

17

Platinum-group elements and rhenium in mantle xenoliths from the East Sayan volcanic field (Siberia, Russia): evaluation of melt extraction and refertilization processes in lithospheric mantle of the Tuva-Mongolian massif

Alexei V. Ivanov, Stanislav V. Palesskii, Elena I. Demonterova, Irina V. Nikolaeva, Igor V. Ashchepkov, Sergei V. Rasskazov

Journal:

Year:

2008

Language:

english

File:

PDF, 634 KB

english, 2008

18

External bounds and step controllability of the linear interval system

L. T. Ashchepkov

Journal:

Automation and Remote Control

Year:

2008

Language:

english

File:

PDF, 186 KB

english, 2008

19

Compositional heterogeneity of the continental lithospheric mantle beneath the Early Precambrian and Phanerozoic structures: Evidence from mantle xenoliths in kimberlites and alkaline basalts

V. A. Glebovitsky, L. P. Nikitina, A. K. Saltykova, N. O. Ovchinnikov, M. S. Babushkina, K. N. Egorov, I. V. Ashchepkov

Journal:

Geochemistry International

Year:

2007

Language:

english

File:

PDF, 723 KB

english, 2007

20

Thermal and chemical heterogeneity of the upper mantle beneath the Baikal-Mongolia territory

V. A. Glebovitskii, L. P. Nikitina, A. K. Saltykova, Yu. D. Pushkarev, N. O. Ovchinnikov, M. S. Babushkina, I. V. Ashchepkov

Journal:

Year:

2007

Language:

english

File:

PDF, 497 KB

english, 2007

21

Reductions of interval nonlinear programming problem

L. T. Ashchepkov

Journal:

Computational Mathematics and Mathematical Physics

Year:

2006

Language:

english

File:

PDF, 204 KB

english, 2006

22

Reductions of interval noncooperative games

L. T. Ashchepkov, D. V. Davydov

Journal:

Computational Mathematics and Mathematical Physics

Year:

2006

Language:

english

File:

PDF, 213 KB

english, 2006

23

Linear interval equations with symmetric solution sets

L. T. Ashchepkov

Journal:

Computational Mathematics and Mathematical Physics

Year:

2008

Language:

english

File:

PDF, 191 KB

english, 2008

24

The controllability of an interval linear discrete system

L. T. Ashchepkov

Journal:

Journal of Computer and Systems Sciences International

Year:

2007

Language:

english

File:

PDF, 287 KB

english, 2007

25

Stabilization of Time-Varying Linear Discrete Interval-Coefficient Control Systems by Phase State Observations

L. T. Ashchepkov, G. E. Kolpakova, Yu. B. Stegostenko

Journal:

Automation and Remote Control

Year:

2002

Language:

english

File:

PDF, 122 KB

english, 2002

26

Saturation magnetization and magnetostriction of Ni3Mn alloys containing aluminum and copper

V. A. Domyshev, V. Zh. Elizarov, V. T. Ashchepkov, A. I. Shkurko, V. G. Kazakov

Journal:

Russian Physics Journal

Year:

1981

Language:

english

File:

PDF, 351 KB

english, 1981

27

On the optimality of singular controls in time-lag systems

L. T. Ashchepkov

Journal:

Siberian Mathematical Journal

Year:

1973

Language:

english

File:

PDF, 460 KB

english, 1973

28

Predetonation section of the combustion-detonation transition in PETN

N. V. Ashchepkov, V. V. Sten'gach

Journal:

Combustion, Explosion, and Shock Waves

Year:

1974

Language:

english

File:

PDF, 444 KB

english, 1974

29

Fabric-related seismic anisotropy in upper-mantle xenoliths: evidence from measurements and calculations

H. Kern, L. Burlini, I.V. Ashchepkov

Journal:

Physics of the Earth and Planetary Interiors

Year:

1996

Language:

english

File:

PDF, 1.16 MB

english, 1996

30

The provenance of fertile off-craton lithospheric mantle: Sr–Nd isotope and chemical composition of garnet and spinel peridotite xenoliths from Vitim, Siberia

Dmitri A. Ionov, Igor Ashchepkov, Emil Jagoutz

Journal:

Chemical Geology

Year:

2005

Language:

english

File:

PDF, 851 KB

english, 2005

31

Pyroxenites and megacrysts from Vitim picrite-basalts (Russia): Polybaric fractionation of rising melts in the mantle?

I.V. Ashchepkov, L. André, H. Downes, B.A. Belyatsky

Journal:

Journal of Asian Earth Sciences

Year:

2011

Language:

english

File:

PDF, 3.53 MB

english, 2011

32

Structure and evolution of the lithospheric mantle beneath Siberian craton, thermobarometric study

Igor V. Ashchepkov, Nikolai P. Pokhilenko, Nikolai V. Vladykin, Alla M. Logvinova, Valentin P. Afanasiev, Lyudmila N. Pokhilenko, Sergei S. Kuligin, Elena V. Malygina, Natalia A. Alymova, Sergey I. Ko

Journal:

Year:

2010

Language:

english

File:

PDF, 8.50 MB

english, 2010

33

Regularities and mechanism of formation of the mantle lithosphere structure beneath the Siberian Craton in comparison with other cratons

Ashchepkov, I.V., Vladykin, N.V., Ntaflos, T., Downes, H., Mitchell, R., Smelov, A.P., Alymova, N.V., Kostrovitsky, S.I., Rotman, A. Ya, Smarov, G.P., Makovchuk, I.V., Stegnitsky, Yu.B., Nigmatulina,

Journal:

Gondwana Research

Year:

2013

Language:

english

File:

PDF, 9.40 MB

english, 2013

34

PT conditions and trace element variations of picroilmenites and pyropes from placers and kimberlites in the Arkhangelsk region, NW Russia

Afanasiev, V.P., Ashchepkov, I.V., Verzhak, V.V., O’Brien, H., Palessky, S.V.

Journal:

Journal of Asian Earth Sciences

Year:

2013

Language:

english

File:

PDF, 10.71 MB

english, 2013

35

High water contents in the Siberian cratonic mantle linked to metasomatism: An FTIR study of Udachnaya peridotite xenoliths

Doucet, Luc S., Peslier, Anne H., Ionov, Dmitri A., Brandon, Alan D., Golovin, Alexander V., Goncharov, Aleksey G., Ashchepkov, Igor V.

Journal:

Geochimica et Cosmochimica Acta

Year:

2014

Language:

english

File:

PDF, 2.61 MB

english, 2014

36

The Sytykanskaya kimberlite pipe: Evidence from deep-seated xenoliths and xenocrysts for the evolution of the mantle beneath Alakit, Yakutia, Russia

Ashchepkov, I.V., Logvinova, A.M., Reimers, L.F., Ntaflos, T., Spetsius, Z.V., Vladykin, N.V., Downes, H., Yudin, D.S., Travin, A.V., Makovchuk, I.V., Palesskiy, V.S., Khmel'nikova, O.S.

Journal:

Geoscience Frontiers

Year:

2014

Language:

english

File:

PDF, 8.12 MB

english, 2014

37

Composition of the Lithospheric Mantle in the Siberian Craton: New Constraints from Fresh Peridotites in the Udachnaya-East Kimberlite

Ionov, D. A., Doucet, L. S., Ashchepkov, I. V.

Journal:

Journal of Petrology

Year:

2010

Language:

english

File:

PDF, 3.86 MB

english, 2010

38

Reconstruction of mantle sections beneath Yakutian kimberlite pipes using monomineral thermobarometry

Ashchepkov, I. V., Pokhilenko, N. P., Vladykin, N. V., Rotman, A. Y., Afanasiev, V. P., Logvinova, A. M., Kostrovitsky, S. I., Pokhilenko, L. N., Karpenko, M. A., Kuligin, S. S., Malygina, E. V., Steg

Journal:

Geological Society London Special Publications

Year:

2008

Language:

english

File:

PDF, 938 KB

english, 2008

39

THE NATURE OF THE SVIATONOSSITES OF LAKE BAYKAL

Litvinovskiy, B. A., Zanvilevich, A. N., Ashchepkov, I. V.

Journal:

International Geology Review

Year:

1986

Language:

english

File:

PDF, 1.27 MB

english, 1986

40

Picroilmenites in Yakutian kimberlites: variations and genetic models

Ashchepkov, I. V., Alymova, N. V., Logvinova, A. M., Vladykin, N. V., Kuligin, S. S., Mityukhin, S. I., Stegnitsky, Y. B., Prokopyev, S. A., Salikhov, R. F., Palessky, V. S., Khmel'nikova, O. S.

Journal:

Solid Earth Discussions

Year:

2013

Language:

english

File:

PDF, 8.50 MB

english, 2013

41

Picroilmenites in Yakutian kimberlites: variations and genetic models

Ashchepkov, I. V., Alymova, N. V., Logvinova, A. M., Vladykin, N. V., Kuligin, S. S., Mityukhin, S. I., Downes, H., Stegnitsky, Yu. B., Prokopiev, S. A., Salikhov, R. F., Palessky, V. S., Khmel'nikova

Journal:

Year:

2014

Language:

english

File:

PDF, 5.52 MB

english, 2014

42

Monomineral universal clinopyroxene and garnet barometers for peridotitic, eclogitic and basaltic systems

Ashchepkov, I.V., Ntaflos, T., Logvinova, A.M., Spetsius, Z.V., Downes, H.

Journal:

Geoscience Frontiers

Year:

2016

Language:

english

File:

PDF, 7.78 MB

english, 2016

43

Interaction between protokimberlite melts and mantle lithosphere: Evidence from mantle xenoliths from the Dalnyaya kimberlite pipe, Yakutia (Russia)

Ashchepkov, I.V., Ntaflos, T., Spetsius, Z.V., Salikhov, R.F., Downes, H.

Journal:

Geoscience Frontiers

Year:

2016

Language:

english

File:

PDF, 9.60 MB

english, 2016

44

Alakit and Daldyn kimberlite fields, Siberia, Russia: two types of mantle sub-terranes beneath central Yakutia?

Ashchepkov, I.V., Logvinova, A.M., Ntaflos, T., Vladykin, N.V., Kostrovitsky, S.I., Spetsius, Z., Mityukhin, S.I., Prokopyev, S.A., Medvedev, N.S., Downes, H.

Journal:

Geoscience Frontiers

Year:

2016

Language:

english

File:

PDF, 15.51 MB

english, 2016

45

Deep seated magmas and their mantle roots: Introduction

Ashchepkov, Igor V., Roberts, Nick M.W.

Journal:

Geoscience Frontiers

Year:

2016

Language:

english

File:

PDF, 255 KB

english, 2016

46

Incompatible element-enriched mantle lithosphere beneath kimberlitic pipes in Priazovie, Ukrainian shield: volatile-enriched focused melt flow and connection to mature crust?

Ashchepkov, I.V., Vladykin, N.V., Kalashnyk, H.A., Medvedev, N.S., Saprykin, A.I., Downes, H., Khmelnikova, O.S.

Journal:

International Geology Review

Year:

2020

File:

PDF, 4.01 MB

2020

47

Aillikites and Alkali Ultramafic Lamprophyres of the Beloziminsky Alkaline Ultrabasic-Carbonatite Massif: Possible Origin and Relations with Ore Deposits

Ashchepkov, Igor, Zhmodik, Sergey, Belyanin, Dmitry, Kiseleva, Olga N., Medvedev, Nikolay, Travin, Alexei, Yudin, Denis, Karmanov, Nikolai S., Downes, Hilary

Journal:

Year:

2020

File:

PDF, 8.83 MB

2020

48

Multistage Magmatism in Ophiolites and Associated Metavolcanites of the Ulan-Sarâdag MÃ©lange (East Sayan, Russia)

Kiseleva, Olga N., Airiyants, Evgeniya V., Belyanin, Dmitriy K., Zhmodik, Sergey M., Ashchepkov, Igor V., Kovalev, Semyon A.

Journal:

Year:

2020

File:

PDF, 11.33 MB

2020