Gas-geochemical studies of gas fields and increased metal concentrations in the East Siberian Sea

R. B. Shakirov, A. V. Sorochinskaja, N. S. Syrbu, Tran Hoang Yen


Paper presents the results of complex gas-geochemical studies of bottom sediments of the East Siberian Sea along the meridional profile from Cape Billings to the Mendeleev Ridge. Abnormal concentrations of methane (up to 2.4% vol.) and hydrogen (up to 600 ppm) are controlled by neotectonic faults and are typical for the areas of gas hydrate formation. The carbon isotope composition indicates the predominance of the thermogenic component. When studying the chemical composition of sediments, the data helped to identify the permeability zones of neotectonic faults that have favorable conditions for the concentration of a number of elements: Mn, Cu, Ag. Such zones are characterized by the gas anomalies in sediments (methane, hydrogen, etc.). The accumulation of anomalous metal contents is facilitated by specific geological conditions that occur in zones of gas anomalies within tectonically active structures, where fine-grained sediments enriched with organic matter are present. The gas-geochemical fields formed in this pattern can be applied as indicators in forecasting of hydrocarbon accumulations, for mapping permeable fault zones, and for the environmental impact assessing of hydrocarbon anomalies. This approach could be especially effective in the basins with low seismic activity such as seas of East Siberian shelf and some of the marginal seas of Pacific Ocean, for instance, South China Sea (Bien Dong).


bottom sediments; gas content; isotopy; organic carbon; metals; East Siberian Sea


Burlin Y.K., Stupakova A.V., 2008. Geological prerequisites for the prospects of oil and gas potential on the shelf of the Russian sector of the Arctic Ocean. Geology of Oil and Gas, 4, 13–23.

Dudarev O.V., Semiletov I.P., Charkin A.N., Botsul A.I., 2006. Sedimentation conditions on the continental shelf of the East Siberian Sea. DAN, 409(6), 822–827 (in Russian).

Ershov V.V., Shakirov R.B., Obzhirov A.I., 2011. Isotope and geochemical characteristics of the Yuzhno-Sakhalinsky mud volcano free gases and their connection with regional seismicity. DAN, 440(2), 256–261.

Gresov A.I., 2011. Gas-geochemical classification of hydrocarbon gases in coal-oil and gas-bearing basins of eastern Russia. Pacific geology, 30(2), 87–103.

Gresov A.I., Obzhirov A.I., Shakirov R.B., 2009. The methane resource base of coal basins of the Russian Far East and the prospects for its industrial development. T.1. Carbon pools of Primorye, Sakhalin and Khabarovsk Territory. Vladivostok: Dalnauka, 246.

Gresov A.I., Obzhirov A.I., Yatsuk A.V., Mazurov A.K., Ruban A.S., 2017. Gas content of bottom sediments and geochemical signs of oil and gas content of the East Siberian Sea shelf. Pacific Geology, 36(4), 78–84.

Grigoriev N.A., 2002. About clarke content of chemical elements in the upper part of the continental crust. Lithosphere, 1, 61–71.

Hachenberg H., Schmidt A., 1979. Gas chromatographic analysis of the equilibrium vapor phase, M.: Mir, 160.

Khain V.E., Filatova N.I., Polyakova I.D., 2009. Tectonics, geodynamics and oil and gas prospects of the East Arctic seas and their continental frames. Proceedings of the GIN, 601, 222.

Kontorovich A.E., et al., 2010. Geology, hydrocarbon resources of the Arctic seas of Russia shelf and the prospects for their development. Geology and Geophysics, 51(1), 7–17.

Likht F.R., et al., 1983.The structure of sediments and facies of the Sea of Japan, 283.

Malyshev N.A., Obmetko V.V., Borodulin A.A., 2010. Assessment of oil and gas prospects of sedimentary basins of the Eastern Arctic. Scientific and Technical Bulletin of Rosneft, 1, 20–28.

Mazarovich A.O., 2005. The structure of the bottom of the oceans and the marginal seas of Russia: a training manual. Moscow: GEOS, 95.

Neotectonic structures and active faults of the shelf, 2004. Geology and minerals of the shelves of Russia. Atlas. M.: Nauchny Mir., 108.

Pavlidis Y.A., Scherbakov F.A., 2000. Modern bottom sediments of the Arctic seas of Eurasia. Oceanology, 40(1), 137–147.

Perevozhikov G.V., 2012. The hydrogen field at the Gazli field according to geochemical studies in the oil and gas region of Central Asia. Oil and gas geology. Theory and Practice, 7(1), 1–13.

Romankevich E.A., Vetrov A.A., 2001. Carbon cycle in the Arctic seas of Russia. M.: Nauka, 300.

Rusakov V.Y., Levitan M.A., Roshchina I.A. et al., 2010. The chemical composition of the deep-sea Upper Pleistocene - Holocene sediments of the Gakkel ridge (Arctic Ocean). Geochemistry, 10, 1062–1078.

Shakirov R.B., Obzhirov A.I., 2009. Morphotectonic control of methane flows in the Sea of Okhotsk. Underwater research and robotics. IPMT FEB RAS. Vladivostok: Dalnauka, 1(7), 31–39.

Strakhov N.M., 1967. Problems of geochemistry of modern lithogenesis. M.: Nauka, 289.

Tsunogai U., N. Yoshida, J. Ishibashi, T. Gamo, 2000. Carbon isotopic distribution of methane in deep-sea hydrothermal plume, Myojin Knoll Caldera, Izu-Bonin arc: Implications for microbial methane oxidation in ocean and applications to heat flux estimation, Geochim. Cosmochim. Acta, 64, 2439–2452. Doi: 10.1016/S0016-7037(00)00374-4.

Tsunogai U., Kosaka A., Nakayama N., Komatsu D., Konno U., Kameyama S., Nakagawa F., Sumino H., Nagao K., Fujikura K., Machiyama H., 2010. Origin and fate of deep sea seeping methane bubbles at Kuroshima Knoll, Ryukyu forearc region, Japan. Geochemical Journal, 44, 461–476.

Varshal G.M., et al., 1994. Complexation of silver with humic acids and the geochemical role of this process. Geochemistry, 8-9, 1287–1294.

Verba M.L., Belyaev I.V., Shtykova N.B., 2011. Tectonic map of the East Siberian Sea. Exploration and protection of mineral resources, 10, 66–70.

Vetrov A.A., et al., 2008. Investigation of the composition and genesis of organic matter in bottom sediments of the East Siberian Sea. Geochemistry, 2, 183–195.

Vinogradov A.P., 1962. The average content of chemical elements in the main types of igneous rocks of the earth's crust. Geochemistry, 7, 555–571. (in Russian).

Vinogradov A.P., 1967. Introduction to the geochemistry of the ocean. M.: Nauka, 212.

Voroshilov V.G., 2011. Geochemical methods of prospecting for mineral deposits: manual. Tomsk Polytechnic University. Publishing House of Tomsk Polytechnic University, 104.

Yudovich Y.E., 2001. Sedimentary Geochemistry Course (selected chapters): study guide. Syktyvkar: Publishing House of the Syktyvkar University, 284.

Yudovich Y.E., Ketris M.P., 2000. Fundamentals of lithochemistry. St. Petersburg: Nauka, 478.

DOI: Display counter: Abstract : 48 views.


  • There are currently no refbacks.

Vietnam Journal of Earth Sciences, ISSN: 0866-7187; 2615-9783

Contact address:;;

Index: Web of Science (ESCI); Google ScholarNRSJ (Norway)CrossrefGeoRef (American Geosciences Institute)VCGScilit (Switzerland)Copernicus InternationalAsean Citation IndexCiteFactor

© Vietnam Academy of Science and Technology (VAST)