Geothermal field of svalbard plate northern part: problems and evaluations

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Abstract


Heat flow measurements data in the northern part of Svalbard plate near Franz-Josef Land (FJL) and Spizbergen are resulted. Measurements were carried out by new updating geothermal probe «GEOS-M». Seven heat flow measurements on «FJL» and twenty - on «Spizbergen» are received. On first of them heat flow variation from 30 up to 85 mW/m2 are connected both with trough valley Franz-Victoria tectonic activization and with structural and thermal conductivity heterogenesis inside sedimentary cover. Abnormal heat flow values (from 120 up to 519 mW/m2), measured in trough Orly (to the eastern of Spizbergen North-East Land), testify to rift zone development which completely destroyed a continental crust. Water temperature sounding discovered a leyer of negative temperatures in the depths from 30 to 100 m. Researches were sponsored of the Norwegian oil Management, RAS Presidium, RAS Earth sciences departament and the Russian Basic Research Foundation.

M D Khutorskoy

Peoples Friendship University of Russia

Peoples Friendship University of Russia

V R Akhmedzianov

Peoples Friendship University of Russia

Peoples Friendship University of Russia

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