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Vol 152
Pages:
32-35
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RUS
Research article
Geology

Numerical modeling of scattering halos of ocean hydrotherms

Authors:
N. A. Kasyankova
About authors
  • Postgraduate student G.V. Plekhanov Saint Petersburg State Mining Institute
Date submitted:
2001-09-24
Date accepted:
2001-10-04
Date published:
2002-08-26

Abstract

The formation of massive sulfide ores with enormous reserves of copper, zinc, gold, and other metals is associated with hydrothermal activity on the ocean floor at depths of 3 to 4 km. Hydrothermal solutions carry a mixture of heavy metal sulfides through the ocean floor, some of which are deposited near the hydrothermal source as various ore structures, while the main mass is dispersed by the bottom currents for tens of kilometers, forming halos of dispersion of ocean hydrotherms. Mapping of such halos is used to search for massive ores. Detailed study of hydrothermal scattering halos is complicated by the fact that it is necessary to investigate at a depth of more than 3 km. Mathematical modeling of hydrothermal halos can be used to obtain additional information, the results of which can be used to interpret the experimental data. The results of numerical calculations of hydrothermal source dispersion halos are in good agreement with the experimental data given in [3, 5].

Касьянкова Н.А. Численное моделирование ореолов рассеяния гидротерм океанов // Записки Горного института. 2002. Т. 152. С. 32-35.
Kasyankova N.A. Numerical modeling of scattering halos of ocean hydrotherms // Journal of Mining Institute. 2002. Vol. 152. p. 32-35.
Go to volume 152

References

  1. Хемминг Р.В. Численные методы для научных работников и инженеров. М.: Наука, 1968.
  2. Бахвалов К.С. Численные методы: Учеб. пособие / Н.С.Бахвалов, Н.П.Жидков, Г.М.Кобельков. М.: Наука, 1987.
  3. Гидротермальные сульфидные руды и металлоносные осадки океана. СПб: Недра, 1992.
  4. Путиков О.Ф. Физико-математическая теория ореола рассеяния гидротермального источника в океане / О.Ф.Путиков, С.М.Судариков // Записки Горного института. СПб, 2002. Т. 151.
  5. Sudarikov S.M. Structure of hydrothermal plumes at the Logatchev vent field, 14°45'N, Mid-Atlantic Ridge: evidence from geochemical and geophysical data / S.M.Sudarikov, A.B.Roumiantsev // Journal of Voicanology and Geothermal Research. 2000. Vol.101.

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