Oceanic basin an active - and growing - oceanic basin include an elevated mid-ocean ridge, flanking abyssal hills leading down to abyssal plains. The elements of an active oceanic basin often include the oceanic trench associated with a subduction zone. The Atlantic ocean and the Arctic ocean are good examples of active, growing oceanic basins, whereas the Mediterranean Sea is shrinking. The Pacific Ocean is also an active, shrinking oceanic basin, even though it has both spreading ridge and oceanic trenches. Perhaps the best example of an inactive oceanic basin is the Gulf of Mexico, which formed in Jurassic times and has
Fridtjof Nansen the skiing resort of Frognerseteren, where Nansen recalled seeing "two feet sticking out of the snow". Eva was three years older than Nansen, and despite the evidence of this first meeting, was an accomplished skier. She was also a celebrated classical singer who had been coached in Berlin by Désirée Artôt, one-time paramour of Tchaikovsky. The engagement surprised many; since Nansen had previously expressed himself forcefully against the institution of marriage, Otto Sverdrup assumed he had read the message wrongly. The wedding took place on 6 September 1889, less than a month after the engagement. Nansen first began to consider