Forming of hydrogeochemical dispersion halos in discharge zones of thermal solutions оn the Mid-Atlantic Ridge
Authors:
About authors
- National Mineral Resources University (Mining University)
Abstract
Features of submarine hydrothermal discharge and geochemical anomalies in bottom waters of Mid-Atlantic Ridge are observed. In the typical section of hydrothermal halos two major zones could be distinguished: forming by the rising stream gravitationally non-stable structures and more stable formations on the horizon of lateral flow. Discrete structure of hydrothermal plumes and matter differentiation are discussed. Different types of fluid discharge are revealed on the Logatchev field. As a result three kinds of hydrothermal plumes are forming: of positive, neutral and negative buoyancy.
References
- Судариков С.М. Особенности геохимии придонных вод в зонах разгрузки гидротермальных растворов срединно-океанических хребтов. / С.М.Судариков, Д.В.Каминский // Геохимия. 2010. № 3. C.317-321.
- Судариков С.М. Строение гидротермальных ореолов рассеяния Тихого и Атлантического океанов / С.М.Судариков, Г.А.Черкашев // ДАН. 1993. Т.330, № 6. C.757-759.
- Rudnicki M.D. Particle formation, fallout and cycling within the buoyant and non- buoyant plume above the TAG vent field // Hydrothermal Vents and Processes, Geological Society Special Publication. 1995. № 87. С.387-396.
- Sudarikov S.M. Structure of hydrothermal plumes at the Logatchev vent field, 14o45’N, Mid-Atlantic Ridge: evidence from geochemical and geophysical data / S.M.Sudarikov, A.B.Roumiantsev // Journal of Volcanology and Geothermal Research. 2000. 101. Р.245-252.
Similar articles
Late paleozoic alkaline-ultramaphic magmatism in Spitsbergen archipelagoes
2013 A. N. Evdokimova, A. N. Sirotkin, V. S. Chebaevskii
Devonian corals of the peninsula podgorny from the South island of Novaya Zemlya (Chernaya Bay horizon)
2013 V. P. Stolbova
Riftogenic structures in the west sector of amerasia basin based on complex geophysical data
2013 O. E. Smirnov
Platinum group elements, gold and silver in supergene nickel deposits on dunite-harzburgite bedrock of ophiolitic massifs
2013 I. V. Talovina, V. G. Lazarenkov, N. I. Vorontsova, A. G. Pilyugin, A. M. Gaifutdinova