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 mountainous region of Telemark, where a new style of skiing was being developed. "I saw this was the only way", wrote Nansen later. At school, Nansen worked adequately without showing any particular aptitude. Studies took second place to sports, or to expeditions into the forests where he would live "like Robinson Crusoe" for weeks at a time. Through such experiences Nansen developed a marked degree of self-reliance. He became an accomplished skier and a highly proficient skater. Life was disrupted when, in the summer of 1877, Adelaide Nansen died suddenly. Distressed, Baldur Nansen sold the Store Frøen property and moved