Ukrainian Antarctic journal

No 1 (2021): Ukrainian Antarctic Journal
Articles

Deep structure and new experimental data of the Bransfield Strait volcanoes (West Antarctica)

V. Soloviev
S.I. Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Kyiv, 03680, Ukraine
V. Bakhmutov
S.I. Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Kyiv, 03680, Ukraine; State Institution National Antarctic Scientific Center, Ministry of Education and Science of Ukraine, Kyiv, 01601, Ukraine
N. Yakymchuk
LLC Institute of Applied Problems of Ecology, Geophysics and Geochemistry, Kyiv, 01133, Ukraine
I. Korchagin
S.I. Subbotin Institute of Geophysics, National Academy of Sciences of Ukraine, Kyiv, 03680, Ukraine
Published July 28, 2021
Keywords
  • deep structure,
  • fluids,
  • submarine volcanoes,
  • mobile technology,
  • remote sensing,
  • data processing
  • ...More
    Less

Abstract

The aim of the study is to determine the existence of a complex magma-gas-fluid system of the West Antarctica northern volcanic branch in the Bransfield Strait. It consists of several different-level deep magma chambers with magmas raised directly from the mantle or the accumulation zone located at a depth of about 25–30 km. Research methods are based on the known idea that the Earth can be considered a spherical capacitor formed by various layers from its core to the surface with different parameters — thickness, permittivity, density, contact potential difference. Our experimental data show that there is a molten zone at
195–225 km where considerable part of volcanic roots is located. Certain structural patterns for land and submarine volcanic structures are revealed, and the first data on the deep migration channels of fluids in the Bransfield Strait are obtained. Volcanic channels are filled with different basic, ultramafic rocks, and sedimentary rocks too. The deep roots of volcanic structures' presence can be associated with the pulsed functioning of a gas-fluid channel with low viscosity. The gas-saturated melts form some zones of intermediate crystallization in the crust due to this channel. These studies showed that multiphase pulsed volcanic activity mainly through the vertical migration channels of deep fluids from the melting zone played a significant role in forming the tectonic diversity and the evolution of the Antarctic continental margin region structures. The results of modified methods of processing and decoding satellite images and photographs allow supplementing the understanding of the West Antarctica structures’ formation. These results of the Bransfield Strait magmatic systems studying indicate the need for further research to understand the mechanism of formation and evolution of structures and deep geospheres in different regions of the Earth.

References

  1. Bakhmutov, V. G., Tretyak, K. R., Maksimchuk, V. Yu., Glotov, V. M., Grekhu, R. Kh., Egorova, T. P., Zalizovsky, A. V., Koloskov, O. V., Korchagin, I. M., & Pronenko, V. O. (2017). Struktura i dynamika heofizychnykh poliv u Zakhidnii Antarktytsi [The structure and dynamics of geophysical fields at West Antarctica]. Lviv Polytechnik Publishing House. (in Ukrainian)
  2. Berrocoso, M., Fernández-Ros, A., Prates, G., Garcia, A., & Kraus, S. (2016). Geodetic implications on block formation and geodynamic domains in the South Shetland Islands, Antarctic Peninsula. Tectonophysics, 666, 211–219. https://doi.org/10.1016/j.tecto.2015.10.023
  3. Catalan, M., Galindo-Zaldivar, J., Davila, J. M., Martos, Y. M., Maldonado, A., Gamboa, L., & Schreider, A. A. (2013). Initial stages of oceanic spreading in the Bransfield Rift from magnetic and gravity data analysis. Tectonophysics, 585, 102–112. https://doi.org/10.1016/j.tecto.2012.09.016
  4. Dubinin, E. P., Kokhan, A. V., & Suschevskaya, N. M. (2013). Tectonics and magmatism of ultraslow spreading ridges. Geotectonics, (47)3, 131–155. https://doi.org/10.7868/S0016853X13030028 (in Russian)
  5. Fretzdorff S., Worthington T. J., Haase K. M., Hékinian, R., Franz, L., Keller, R. A., & Stoffers, P. (2004). Magmatism in the Bransfield Basin: rifting of the South Shetland Arc. Journal of Geophysical Research: Solid Earth, 109, B12208, 1–19. https://doi.org/10.1029/2004JB003046
  6. Geyer, A., Álvarez-Valero, A. M., Gisbert, G., Aulinas, M., Hernández-Barreña, D., Lobo, A., & Marti, J. (2019). Deciphering the evolution of Deception Island’s magmatic system. Scientific Reports, 9, 373. https://doi.org/10.1038/s41598-018-36188-4
  7. Haeger, C., Kaban, M. K., Tesauro, M., Petrunin, A. G., & Mooney, W. D. (2019). 3-D Density, Thermal, and Compositional Model of the Antarctic Lithosphere and Implications for Its Evolution. Geochemistry, Geophysics, Geosystems, 20(2), 688–707. https://doi.org/10.1029/2018GC008033
  8. Janik, T., Grad, M., Guterch, A., & Środa, P. (2014). The deep seismic structure of the Earth’s crust along Antarctic Peninsula — A summary of the results from Polish geodynamical expeditions. Global and Planetary Change, 123B, 213–222. https://doi.org/10.1016/j.gloplacha.2014.08.018
  9. Kozlenko Yu. V., & Kozlenko, M. V. (2011). Application of density modeling for solving the problem on the nature of the Bransfield Strait. Geophysical Journal, 33(4), 142–152. (in Russian)
  10. Kozlenko Yu., & Kozlenko, M. (2019). Earth crust of the Bransfield Strait between Antarctic Peninsula and King George Island. Geology and Mineral Resources of World Ocean. 15(1), 63–73. https://doi.org/10.15407/gpimo2019.01.063 (in Russian)
  11. Levashov, S. P., Yakymchuk, N. A., Korchagin, I. N., Bachmutov, V. G., Solovyov, V. D., & Kozlenko, Yu. V. (2008). Geophysical models of Drake Passage and Bransfield Strait crustal structure. Ukrainian Antarctic Journal, 6–7, 9–14. https://doi.org/10.33275/1727-7485.6-7.2008.486
  12. Levashov, S. P., Yakymchuk, N. A., & Korchagin, I. N. (2012). Frequency-resonance principle, mobile geoelectric technology:a new paradigm of geophysical investigations. Geophysical journal, 34(4), 167–176. (in Russian)
  13. Lodolo, E., & Perez, L. F. (2015). An abandoned rift in the southwestern part of the South Scotia Ridge (Antarctica): Implications for the genesis of the Bransfield Strait. Tectonics, 34(12), 2451– 2464. https://doi.org/10.1002/2015TC004041
  14. Lösing, M., Ebbing, J., & Szwillus, W. (2020). Geothermal Heat Flux in Antarctica: Assessing models and observations by Bayesian Inversion. Frontiers in Earth Science, 8, 105. https://doi.org/10.3389/feart.2020.00105
  15. Pedrera, A., Ruiz-Consta, A., Heredian, N., Galindo-Zaldívar, J., Bohoyo, F., Marín-Lechado, C., Ruano, P., & Somoza, L. (2012). The fracture system and the melt emplacement beneath the Deception Island active volcano, South Shetland Islands, Antarctica. Antarctic Science, 24(2), 173–182. https://doi.org/10.1017/S0954102011000794
  16. Prudencio, J., Siena, L., Ibáñez, J. M., Pezzo, E., Garcia-Yeguas, A., & Díaz-Moreno, A. (2015). The 3D Attenuation Structure of Deception Island (Antarctica). Surveys in Geophysics, 36(3), 371–390. https://doi.org/10.1007/s10712-015-9322-6
  17. Romashov, A. N. (2003). Planeta Zemlya. Tektonofizika i evolyutsiya [Planet Earth: Tectonophysics and Evolution]. Editorial URSS. (in Russian)
  18. Schreider, Al. A., Schreider, A. A., Galindo-Zaldivar, H., Maldonado, A., Gamboa, L., Martos, Y., Lobo, F., & Evsenko, E. I. (2015). Structure of the Bransfield Strait crust. Oceanology, 55(1), 126–138. (in Russian)
  19. Shnyukov, S. E., Lazareva, I. I., Khlon E. A., Mitrokhin, A. V., Morozenko, V. P., Marchenkov, D. F., Nikanorova, Yu. E., & Osipenko, V. Yu. (2013). A model for forming volcanic and marine volcanogenic sedimentary rocks of the Deception Island (Western Antarctica): initial data for modeling. Geology and Mineral Resources of World Ocean, 1, 44–65. (in Russian)
  20. Soloviev, V. D., Korchagin, I., Levashov S., Yakymchuk, N., & Bozhezha, D. (2016). Central Basin of the Bransfield Strait:magnetic anomalies and the formation stages of the Antarctic Peninsula continental margin structures. Conference Proceedings, 15th EAGE International Conference on Geoinformatics — Theoretical and Applied Aspects, 2016, 1–6. https://doi.org/10.3997/2214-4609.201600452
  21. Steig, E. J., Schneider, D. P., Rutherford, S. D., Mann, M. E., Comiso, J. C., & Shindell, D. T. (2009). Warming of the Antarctic ice-sheet surface since the 1957 International Geophysical Year. Nature, 457, 459–462. https://doi.org/10.1038/nature07669
  22. Teterin, D. E. (2011). Postmiocene geodynamic evolution of the Drake Passage, Western Antarctic Region, Southern Ocean. Izvestiya. Physics of the Solid Earth, 47(8), 653–668. (in Russian)
  23. Udintsev, G. B., Beresnev, A. F., Kurentsova, N. A., Koltsova, A. V., Domoratskaya, L. G., Shenke, G. B., Ott, N., Kenig, M., Iokat, V., Bakhmutov, V. G., Solovyov, V. D., Levashov, S. P., Yakymchuk, N. A., & Korchagin, I. N. (2010). Proliv Dreyka i more Skosha — okeanskiye vorota Zapadnoy Antarktiki [Drake Strait and the Skotia Sea — ocean gate of Western Antarctica]. In Yu. G. Leonov (Ed.), Structure and Evolution of the Lithosphere (pp. 66–90). Paulsen Editions. (in Russian)
  24. Vries, M. V. W., Bingham, R. G., & Hein, A. S. (2017). A new volcanic province: an inventory of subglacial volcanoes in West Antarctica. Geological Society, London, Special Publications, 461, 231–248. https://doi.org/10.1144/SP461.7
  25. Xia, S., Zhao, F., Zhao, D., Fan, C., Wu, S., Mi, L., Sun, J., Cao, J., & Wan, K. (2018). Crustal plumbing system of postrift magmatism in the northern margin of South China Sea: New insights from integrated seismology. Tectonophysics, 744, 227–238. https://doi.org/10.1016/j.tecto.2018.07.002
  26. Yakymchuk, M. A. (2014). Electric field and its role in the life on Earth. Geoinformatika, 3, 10–20. (in Ukrainian)
  27. Yakymchuk, N. A., & Korchagin, I. N. (2019). Integral estimation of the deep structure of some volcanoes and cymberlite pipes of the Earth. Geoinformatika, 1(69), 28–38. (in Russian)
  28. Yakymchuk, N. A., Korchagin, I. N., Bakhmutov, V. G., & Solovjev, V. D. (2019). Geophysical investigation in the Ukrainian Marine Antarctic Expedition of 2018: mobile measuring equipment, innovative direct-prospecting methods, new results. Geoinformatika, 1(69), 5–27. (in Russian)
  29. Zandomeneghi, D., Barclay, A., Almendros, J., Godoy, J. M. I., Wilcock, W. S. D., & Ben-Zvi, T. (2009). Crustal structure of Deception Island volcano from P wave seismic tomography:Tectonic and volcanic implications. Journal of Geophysical Research, 114, B06310. https://doi.org/10.1029/2008JB006119