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Volcanoes of Antarctica as object of geological and ecological research at an example of Deception IslandNormal access

Authors: I. Lazareva, S. Shnyukov, O. Khlon, A. Aleksieienko and V. Morozenko
Event name: 11th International Conference on Monitoring of Geological Processes and Ecological Condition of the Environment
Session: Poster Session
Publication date: 19 March 2018
DOI: 10.3997/2214-4609.201800095
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.34Mb )
Price: € 20

Summary:
Active volcanism originates as multiple minerals deposits so the most catastrophic natural cataclysms. Volcanic activity monitoring is aimed to predict volcanic hazard and is primarily based upon seismic and visual observations. But still application of aforementioned techniques does not provide information on type and parameters of future eruptions. Research, directed at active volcanoes eruption history reconstruction as well as volcanogenic-magmatic systems evolution, facilitates solving of problems connected to long-term prognosis of future eruptions and may acquire key role in volcanic hazard prediction activity in the future. Aim of the work is to develop geochemical model of magmatic and corresponding magmatic-hydrothermal systems of volcanic Deception Island and clarification of its functioning conditions. New united analytical data bank was formed that represents predominant pre- and post-caldera stages types of rocks of Deception Island volcanic complex (Western Antarctica). Fundamentally new technique of geochemical modelling of corresponding magmatic and magmatic-hydrothermal systems was suggested and approbated. Preliminary evaluations of P-T conditions and fluid (H2O) mode of volcanic complex evolution were acquired. Further modelling requires elements content calculation in the ore bearing fluid and sediments hydrothermal alteration products.


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