Segmentation and seismicity of the ultraslow Knipovich and Gakkel mid-ocean ridges


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Comprehensive analysis of detailed bathymetric data obtained during legs 24–27 of the R/V Akademik Nikolai Strakhov has been carried out on the Knipovich Ridge. The revealed variations of magmatic activity along the axis supplement the available information on segmentation of this ridge [7, 19, 33]. The new statistical data characterize seismic activity under settings of ultraslow oblique extension. As follows from the seismic data, the Knipovich Ridge belongs to structural units with intermediate geodynamics between the spreading ridge and transform fault. Magmatic and amagmatic segments of the Arctic ultraslow Knipovich and Gakkel mid-ocean ridges are compared.

Sobre autores

Yu. Zarayskaya

Geological Institute

Autor responsável pela correspondência
Email: geozar@yandex.ru
Rússia, Moscow, 119017

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