Contact information

II) Education:
A. Undergraduate and Graduate:

2000-2001 – Postdoctoral research fellow, Department of Biogeochemistry, Max-Planck Institute for Marine Microbilogy, Bremen. Topic of current project "Redox reactions of structural Fe(III) in clay minerals".
March 2000 – Research worker, Laboratory of Geochemistry, Shirshov Institute of Oceanology RAS
February 1993 - 1997 - Junior research worker, Laboratory of Geochemistry, Shirshov Institute of Oceanology RAS

- Professional societies:
Founding member of the European Society of Limnology and Oceanography –2001.
Member of European Marine Interdisciplinary Network (EMIN) - 1996.
Student member of the Geochemical Society (GS) - 1996, 1997

- Participation in Conferences/lectures/workshops:
10^th V.M.Goldschmidt Conference (Oxford, UK, Spetember 2000) – poster presentation
International conference "Geodynamics and Geoecology" (Arkhangelsk, Russia, June 1999) – oral presentation.
Symposium "Arctica-99" at the P.P.Shirshov Institute of Oceanology, Moscow, May 1999 – oral presentation.
6th EMINar - Meeting of the European Marine Interdisciplinary Network (Sali, Croatia, 1997) - poster presentation.
6th V.M.Goldschmidt Conference: An International Conference for the Advancement of Geochemistry (Heidelberg, Germany, 1996) - poster presentation;
International Conference "Spectrochemical analysis of environmental samples" (Kursk, Russia, 1995) - oral presentation;
XI International Workshop on Marine Geology (Gelendjik, Russia, 1995) - poster presentation;

IV) Research skills and activities:

Field of scientific interests:
Marine geochemistry, geochemistry of trace elements; inductively coupled plasma mass spectrometry (ICP-MS) and its application to the analysis of geological samples, analysis of rare earth elements, Zr, Hf, Mo, W and Th; REE sedimentary geochemistry; marine sedimentation and formation of Fe-Mn ores; land-ocean interaction; geochemical tracers of aqueous processes; suboxic and anoxic diagenesis in marine sediments, forms of reactive iron and sulfur; redox transformations of iron in biogeochemical processes, redox reactions at the surface of Fe-oxides and silicates.

Professional skills:
Analysis of sediment samples: Ability to conduct analysis by ICP-MS; development of analytical techniques for ICP-MS, analysis of standard reference materials; methods of routine chemical analysis. Field experience with sediment and water sampling and onboard chemical analysis; in situ measurements of primary production by ¹⁴C labeling; experiments with radiotracers (⁵⁵Fe). Analysis of forms of reduced sulfur and reactive iron.

Participation in scientific cruises:

1. October 1999 – Cruise at the Black Sea – seawater sampling, onboard analysis of total Mn in seawater.
2. June-August 1999 – Two cruises at the White Sea – sediment sampling.
3. September 1998 – Cruise at the White Sea – sediment sampling.
4. August-October 1997 – Scientific cruise at the Barents Sea onboard R/V "Akademik S.Vavilov" – 55 days (Arkhangelsk - Franz-Josef Land – Novaya Zemlya – Arkhangelsk). In situ measurements of primary biological production, sampling of sediments and Fe-concretions, onboard chemical analysis of Fe (II)/Fe (III) species in sediments.

V) Publications

I. Articles in reviewed journals

1. Dubinin A.V., Strekopytov S.V. Rare earth elements geochemistry in the processes of ferromanganese nodule formation in Peru Basin, Pacific Ocean // Lithology and Mineral Resources, 1994, V.29, N.4, p.322-336.
2. Strekopytov S.V., Dubinin A.V. Zirconium and hafnium geochemistry in the processes of sedimentation and ore formation (transpacific transect). Doklady Earth Sciences, 1996, V.345A, N.4, P.513-517.
3. Strekopytov S.V., Dubinin A.V. Rare earth elements geochemistry in the sediments and nodules of the transpacific transect. Doklady Earth Sciences, 1995 V.345A.
4. Strekopytov S.V., Dubinin A.V., Volkov I.I. The behavior of REE, Zr and Hf in the sediments and nodules of the transpacific transect. Geochemistry International, 1996, V. 33, N.7, P. 56-70.
5. Strekopytov S.V., Dubinin A.V. Rare earth elements as indicators of the composition of sedimentary matter provenances of the ocean, with a Trans-Pacific profile as example // Lithology and Mineral Resources, 1996, V.31, N.4, P. 390-395.    Abstract
6. Strekopytov S.V., Dubinin A.V. Determination of Mo, W, and Th contents in standard samples SDO (oceanic sediments and ores) by ICP-MS technique // Oceanology, 1996, V.36, N.6, P. 816-818. Abstract
7. Dubinin A.V., Skornyakova N.S., Strekopytov S.V., Volkov I.I. Rare earth elements geochemistry of nodules and associated sediments from the North Equatorial Pacific // Lithology and Mineral Resources, 1997, V.32, N.2, P. 172-183.    Abstract
8. Strekopytov S.V., Dubinin A.V. Determination of Zr, Hf, Mo, W, and Th in standard samples of oceanic deposits by inductively coupled plasma mass spectrometry // Journal of Analytical Chemistry, 1997, N.12, P. 1171-1174    Abstract
9. Strekopytov S.V. Molybdenum and tungsten in oceanic sediments and nodules // Geochemistry International, 1998, V.36, N.9, P. 936-943.   Abstract
10. Strekopytov S.V., Dubinin A.V., Volkov I.I. General features of the REE distribution in Pacific pelagic sediments and Fe-Mn nodules // Lithology and Mineral Resources, 1999, V.34, P.111-122   Abstract
11. Strekopytov S.V., Dubinin A.V. On the geochemistry of ferruginous concretions of the Barents Sea. Oceanology, 2001, 41(3): 367-374. Full text
    
12. Dubinin A.V., Strekopytov S.V. Behavior of rare earth elements during leaching of the oceanic sediments. Geochemistry International, 2001, 39(7): 692-701. Full text
    
13. Strekopytov S.V. Geochemistry of diagenesis of the Barents Sea sediments: Forms of iron and sulfur. Lithology and Mineral Resources, 2002 (in press).
    

1. Strekopytov S.V., Dubinin A.V. Rare earth elements, zirconium and hafnium geochemistry in processes of sedimentation and nodule formation in the North-East Pacific // Mineralogical Magazine, 1994, v.58A, P. 883-884.
2. Strekopytov S. Comparative behavior of molybdenum and tungsten in ferromanganese nodules // J. Conf. Abstr., 1996, V.1, N.1, p. 604. Full text
3. Strekopytov S. Coastal sediments geochemistry: Rare earth elements as tracers of terrigenous input // ECSA 26 and ERF '96 Symposium. Book of Abstracts (poster presentations), Middelburg, The Netherlands, 1996, p. 41.
4. Strekopytov S. Factors controlling rare earth element behavior in Pacific Ocean sediments and ferromanganese nodules // 6. EMINar Book of Abstracts, Sali, Croatia, 1997, P. 70.
5. Strekopytov S.V. Geochemical zonation of Pacific pelagic sediments recorded in the rare earth elements distribution // Gaea heidelbergensis, 1997, V. 3, P. 322-323.
6. Strekopytov S.V., Vinogradova E.L., Dubinin A.V. Rare earth element geochemistry of ferromanganese concretions from the Barents Sea and the White Sea // Ninth Annual V.M.Goldschmidt Conference, 1999. Book of Abstracts.
7. Strekopytov S. Geochemical investigations in the White Sea. In: Rachor E. (ed.) Scientific Cooperation in the Russian Arctic: Ecology of the White Sea with Emphasis on its Deep Basin. Ber. Polarforsch., 2000, Bd.359, p. 10-13.
8. Strekopytov S. Forms of iron and sulfur in sediments of the Barents Sea (in Russian). In: Lisitsyn A.P. et al. (Eds.) Arctic-2000: Results of Russian expeditions, 2001 (in press).
9. Strekopytov S., Dubinin A., Uspenskaya T. Geochemical and mineralogical studies of Fe-Mn nodules and crusts from the White Sea: Potential role of benthic fauna in their formation // J. Conf. Abs., 2000, 5(2), 963.    Full text