New data on the structure of the Knipovich Ridge,North Atlantic |
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| Authors: | K P Yampol’sky |
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| Institution: | (1) Department of Geography, Hunter College, CUNY, 695 Park Avenue, New York, NY 10021, USA;(2) Marine Physics, Code 7420, Naval Research Laboratory, Washington, DC 20375, USA;(3) Department of Solid Earth Physics, University of Bergen, Allegaten 41, Bergen, Norway;(4) VNIIOkeangeologia, 1 Anglyskiy Prospekt, St. Petersburg, Russia;(5) Naval Oceanographic Office, Code N92, 1002 Balch Blvd. Stennis Space Center, MS 39522, USA |
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| Abstract: | The Knipovich Ridge extends for 550–600 km between the Mohns Ridge and the demarcation Spitsbergen Fracture Zone. The structural
features of this ridge are repeatedly mentioned in the literature; however, substantial discrepancies remain in the treatment
of its tectonics. New data on the structure of this ridge presented in this paper are based on the results of continuous seismic
profiling in the area studied by the expedition of the Geological Institute, Russian Academy of Sciences and the Norwegian
Petroleum Directorate on the R/V Akademik Nikolaj Strakhov in 2006; 56 seismic lines allow us to depict zones differing in seismic records that provide insights into their internal
tectonic structure. Interpretation of the seismic data makes it possible to compile maps of the acoustic basement surface
and sedimentary cover thickness in the studied area. These maps expand our knowledge of the geological history and geodynamics
of the Knipovich Ridge at the neotectonic stage of its evolution. |
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