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Thermal Development And Rejuvenation Of The Marginal Plateaus Along The Transtensional Volcanic Margins Of The Norwegian-Greenland Sea, Nilgun Okay
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The predominance of large-scale paleo-shear zones in the Norwegian-Greenland Sea is thought to be the major cause of asymmetric seafloor spreading in this region. Plate reconstructions suggest that nascent mid-ocean ridges propagated into these obliquely oriented shear zones causing transtension to occur. The asymmetric evolution of the northern Norwegian-Greenland Sea is evident from both the morphology of the seafloor as well as its geophysical characteristics. The eastern passive margins of the northern Norwegian-Greenland Sea are punctuated by volcanic plateaus which have significantly higher heat flow than the western passive margins. It is hypothesized that marginal volcanic plateaus formed originally in …